Document:

EX-10.1

EXHIBIT 10.1 Class A Common Stock Purchase Warrant

THE EXERCISE OF THIS WARRANT HAS NOT BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION OR
THE SECURITIES COMMISSION OF ANY STATE. THIS WARRANT MAY ONLY BE EXERCISED PURSUANT TO AN
EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”) AND
APPLICABLE STATE SECURITIES LAWS. AS A CONDITION PRECEDENT TO THE EXERCISE OF THIS WARRANT, THE
COMPANY MAY REQUIRE SUCH CERTIFICATES AND OPINIONS OF COUNSEL AS IT DEEMS NECESSARY FROM THE PERSON
EXERCISING THIS WARRANT TO ESTABLISH THE EXISTENCE OF SUCH EXEMPTIONS.

NEITHER THIS WARRANT NOR THE SECURITIES INTO WHICH THIS WARRANT IS EXERCISABLE HAVE BEEN REGISTERED
WITH THE SECURITIES AND EXCHANGE COMMISSION, OR THE SECURITIES COMMISSION OF ANY STATE, IN RELIANCE
UPON AN EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT AND APPLICABLE STATE SECURITIES LAWS.
IN ADDITION, THIS WARRANT AND THE SECURITIES INTO WHICH THIS WARRANT IS EXERCISABLE MAY BE DEEMED
CONTROL SECURITIES WITHIN THE MEANING OF THE SECURITIES ACT. THE WARRANT OR THE SECURITIES INTO
WHICH THIS WARRANT IS EXERCISABLE MAY NOT BE OFFERED OR SOLD OR OTHERWISE TRANSFERRED EXCEPT
PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES ACT OR PURSUANT TO AN
AVAILABLE EXEMPTION FROM, OR IN A TRANSACTION NOT SUBJECT TO, THE REGISTRATION REQUIREMENTS OF THE
SECURITIES ACT AND IN ACCORDANCE WITH APPLICABLE STATE SECURITIES LAWS AS EVIDENCED BY A LEGAL
OPINION OF COUNSEL TO THE TRANSFEROR TO SUCH EFFECT, THE SUBSTANCE OF WHICH SHALL BE REASONABLY
ACCEPTABLE TO THE COMPANY.

THIS WARRANT IS SUBJECT TO OTHER RESTRICTIONS ON TRANSFER AS SET FORTH IN THE SECURITIES PURCHASE
AGREEMENT, DATED February 16, 2007, A COPY OF WHICH IS AVAILABLE FROM THE COMPANY UPON WRITTEN
REQUEST AND WITHOUT CHARGE.

CLASS A COMMON STOCK PURCHASE WARRANT

TO PURCHASE 419,495 SHARES OF CLASS A COMMON STOCK OF

CTI GROUP (HOLDINGS) INC.

Date February 16, 2007

THIS CLASS A COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received,
Fairford Holdings Scandinavia AB (the “Holder”), is entitled, upon the terms and subject to the
limitations on exercise and the conditions hereinafter set forth, at any time on or after the date
hereof (the “Initial Exercise Date”) and on or prior to the close of business on February 16, 2007
the 10th anniversary following the Initial Exercise Date (the “Termination Date”) but not
thereafter, to subscribe for and purchase from CTI Group (Holdings) Inc., a Delaware corporation
(the “Company”), 419,495 shares (the “Warrant Shares”) of Class A Common Stock, par value $0.01
per share, of the Company or any securities into which such Class A Common Stock may hereinafter be
reclassified into (“Common Stock”). The purchase price of one share of Common Stock under this
Warrant shall be equal to the Exercise Price, as defined in Section 2(b).

Section 1 Definitions. Capitalized terms used and not otherwise defined herein shall
have the meanings set forth in that certain Securities Purchase Agreement (the “Securities Purchase
Agreement”), dated February 16, 2007, by and between the Company and the Holder. In the event of
any conflict between the provisions of this Warrant and the Securities Purchase Agreement, the
provisions of the Securities Purchase Agreement shall prevail.

Section 2 Exercise.

(a) Exercise of Warrant. Exercise of the purchase rights represented by this Warrant
may be made at any time or times on or after the Initial Exercise Date and on or before the
Termination Date by delivery to the Company (or such other office or agency of the Company as it
may designate by notice in writing to the Holder at the address of such Holder appearing on the
books of the Company) of: (i) the Notice of Exercise Form attached hereto duly completed and
executed; (ii) the aggregate Exercise Price of the shares of Common Stock thereby purchased by wire
transfer of immediately available United States funds or cashier’s check drawn on a United States
bank (unless the Holder has elected to acquire Warrant Shares pursuant to a Cashless Exercise (as
defined in Section 2(c)(ii)); (iii) this Warrant; (iv) payment of all taxes required to be paid by
the Holder, if any, pursuant to Section 2(d)(iv); and (v) the receipt of such certificates and
other documents as reasonably may be required by the Company to determine that the exercise
complies with applicable securities laws. The Trading Day on which the last of the foregoing
deliveries is received by the Company is referred to as the “Exercise Date”; provided, however,
that if the last of such deliveries is received after 5:30 p.m (Eastern Time) on a Trading Day, the
Exercise Date shall be deemed to be the next Trading Day. This Warrant shall be deemed to have
been exercised, Warrant Shares shall be deemed to have been issued, and the Holder or any other
person so designated to be named therein as the holder of Warrant Shares shall be deemed to have
become a holder of record of such Warrant Shares for all purposes on the Exercise Date.

(b) Exercise Price. The exercise price for each Warrant Share issuable under this
Warrant shall be $0.34 per share, subject to adjustment hereunder (the “Exercise Price”).

(c) Payment of Exercise Price: The Holder shall pay the aggregate Exercise Price
using one of the following methods:

(i) Cash Exercise. The Holder shall pay the aggregate Exercise Price by wire transfer
of immediately available United States funds or cashier’s check drawn on a United States bank.

(ii) Cashless Exercise. The Holder may satisfy its obligation to pay the aggregate
Exercise Price through a “cashless exercise,” in which event the Company shall issue to the Holder
the number of Warrant Shares determined as follows:

	 	 	 
	
 
	 	X = Y x [(A-B)/A]
	 
	 	 
	 
	 	 
	 
	 	 
	where:

	 	

	 
	 	 
	
 
	 	X = the number of Warrant Shares to be issued to the Holder.
	 
	 	 
	
 
	 	Y = the number of Warrant Shares with respect to which this

Warrant is being exercised.
	 
	 	 
	
 
	 	A = the average of the Closing Prices for the five Trading

Days immediately prior to (but not including) the Exercise

Date (the “Average Closing Price”).
	
 
	 	 
	 
	 	 
	
 
	 	B = the Exercise Price.

The foregoing is referred to as a “Cashless Exercise.” No Cashless Exercise shall be permitted
unless the Average Closing Price exceeds the Exercise Price and, if the Average Closing Price does
not exceed the Exercise Price, the Company shall refuse to honor any purported exercise of this
Warrant pursuant to a Cashless Exercise. “Closing Price” means, for any Trading Day, the price
determined as follows: (I) if Common Stock is then listed or quoted on an exchange or the OTC
Bulletin Board, the reported closing sale price per share (or, if no closing sale price is
reported, the average of the reported closing bid and ask prices) on such date; (II) if Common
Stock is not then listed or quoted on an exchange or the OTC Bulletin Board, the last quoted bid
price for Common Stock in the over-the-counter market on the relevant date as reported by Pink
Sheets LLC or any similar organization; or (III) in all other cases, the fair market value of a
share of Common Stock as determined by the Board of Directors of the Company in good faith.

(d) Mechanics of Exercise.

(i) Delivery of Certificates Upon Exercise. Certificates for shares purchased
hereunder shall be transmitted by the transfer agent of the Company to the Holder by depositing the
certificate(s) representing Warrant Shares with a nationally recognized overnight courier for
delivery to the address specified by the Holder in the Notice of Exercise on the next Trading Day,
in either event within 3 Trading Days of the Exercise Date.

(ii) Delivery of a New Warrant Upon Exercise. If this Warrant shall have been
exercised in part, the Company shall, at the time of delivery of the certificate or certificates
representing Warrant Shares, deliver to the Holder a new Warrant evidencing the rights of the
Holder to purchase the unpurchased Warrant Shares called for by this Warrant, which new Warrant
shall in all other respects be identical with this Warrant.

(iii) No Fractional Shares or Scrip. No fractional shares or scrip representing
fractional shares shall be issued upon the exercise of this Warrant. As to any fraction of a share
which the Holder would otherwise be entitled to purchase upon such exercise, the Company shall pay
a cash adjustment in respect of such final fraction in an amount equal to such fraction multiplied
by the Exercise Price.

(iv) Charges, Taxes and Expenses. Issuance of certificate(s) for Warrant Shares shall
be made without charge to the Holder for any issue or transfer tax or other incidental expense in
respect of the issuance of such certificate(s), all of which taxes and expenses shall be paid by
the Company, and such certificate(s) shall be issued in the name of the Holder or in such name or
names as may be directed by the Holder; provided, however, that in the event certificate(s) for
Warrant Shares are to be issued in a name other than the name of the Holder, this Warrant when
surrendered for exercise shall be accompanied by the Assignment Form attached hereto duly executed
by the Holder; and the Company may require, as a condition thereto, the payment of a sum sufficient
to reimburse it for any transfer tax incidental thereto.

Section 3 Certain Adjustments.

(a) Stock Dividends and Splits. If the Company, at any time while this Warrant is
outstanding: (A) pays a stock dividend or otherwise makes a distribution on shares of its Common
Stock or any other equity or equity equivalent securities payable in shares of Common Stock (which,
for avoidance of doubt, shall not include any shares of Common Stock issued by the Company pursuant
to this Warrant or any other option, warrant or other right to acquire Common Stock), (B)
subdivides outstanding shares of Common Stock into a larger number of shares (including by way of a
stock split), or (C) combines (including by way of reverse stock split) outstanding shares of
Common Stock into a smaller number of shares, then in each case the Exercise Price shall be
multiplied by a fraction of which the numerator shall be the number of shares of Common Stock
outstanding before such event and of which the denominator shall be the number of shares of Common
Stock outstanding after such event. Any adjustment made pursuant to this Section 3(a) shall become
effective immediately after the record date for the determination of stockholders entitled to
receive such dividend or distribution and shall become effective immediately after the effective
date in the case of a subdivision or combination.

(b) Adjustment of Number of Shares. Upon each adjustment in the Exercise Price
pursuant to Section 3(a), the number of shares of Common Stock issuable upon exercise hereof shall
be adjusted, rounded up to the nearest whole share, to the product obtained by multiplying such
number of shares purchasable immediately prior to such adjustment in the Exercise Price by a
fraction, the numerator of which shall be the Exercise Price immediately prior to such adjustment
and the denominator of which shall be the Exercise Price immediately thereafter.

(c) Calculations. All calculations under this Section 3 shall be made to the nearest
cent or the nearest 1/100th of a share, as the case may be. The number of shares of Common Stock
outstanding at any given time shall not include shares of Common Stock owned or held by or for the
account of the Company as treasury shares.

(d) Failure to Effect Event Requiring Adjustment. If any event requiring an
adjustment in the Exercise Price and the number of Warrant Shares issuable hereunder is not
effected, then the Exercise Price and the number of Warrant Shares shall again be adjusted to be
the Exercise Price and the number of Warrant Shares which would then be in effect if such
adjustment had not been made.

(e) Notice to Holders. Whenever the Exercise Price is adjusted pursuant to Section
3(a), the Company shall promptly mail to each Holder a notice setting forth the Exercise Price
after such adjustment and setting forth a brief statement of the facts requiring such adjustment.

(f) Organic Change. Any recapitalization, reorganization, reclassification,
consolidation or merger to which the Company is a party, or sale of all or substantially all of the
Company’s assets to another Person or other transaction that is effected in such a way that holders
of Common Stock are entitled to receive (either directly or upon subsequent liquidation) stock,
securities or assets with respect to or in exchange for Common Stock is referred to herein as an
“Organic Change.” Prior to the consummation of any Organic Change, the Company will make
appropriate provision to ensure that the Holder will thereafter have the right to acquire and
receive, upon exercise of this Warrant, in lieu of or in addition to (as the case may be) Warrant
Shares immediately theretofore acquirable and receivable upon the exercise of such holder’s
Warrant, such stock, securities or assets as may be issued or payable with respect to or in
exchange for the number of Warrant Shares immediately theretofore acquirable and receivable upon
exercise of the Holder’s Warrant had such Organic Change not taken place. In any such case, the
Company will make appropriate provision with respect to the Holder’s rights and interests to ensure
that the provisions of this Section 3(f) will thereafter be applicable to the Warrant. The Company
will not effect any such Organic Change, unless prior to the consummation thereof, the successor
entity (if other than the Company) resulting from consolidation or merger or the corporation
purchasing such assets assumes by written instrument, the obligation to deliver to the Holder such
stock, securities or assets as, in accordance with the foregoing provisions, Holder may be entitled
to acquire. The Company will give written notice to the Holder at least 20 days prior to the date
on which the Company closes its books or takes a record for determining rights to vote with respect
to any Organic Change, dissolution or liquidation. The Company will also give written notice to
the Holder at least 20 days prior to the date on which any Organic Change, dissolution or
liquidation will take place.

Section 4 Transfer of Warrant.

(a) Transferability. Subject to compliance with any applicable securities laws and
the conditions set forth in Sections 4(c) and 5(a) hereof and Section 4.1 of the Securities
Purchase Agreement, this Warrant and all rights hereunder are transferable, in whole or in part,
upon surrender of this Warrant at the principal office of the Company, together with a written
assignment of this Warrant substantially in the form attached hereto duly executed by the Holder or
its agent or attorney and funds sufficient to pay any transfer taxes payable upon the making of
such transfer. Upon such surrender and, if required, such payment, the Company shall execute and
deliver a new warrant or warrants in the name of the assignee or assignees and in the denomination
or denominations specified in such instrument of assignment, and shall issue to the assignor a new
warrant evidencing the portion of this Warrant not so assigned, and this Warrant shall promptly be
cancelled.

(b) Warrant Register. The Company will register, at the Company’s election, this
Warrant, upon records to be maintained by the Company or the designated transfer agent for that
purpose (the “Warrant Register”), in the name of the record Holder hereof from time to time. The
Company may deem and treat the registered Holder of this Warrant as the absolute owner hereof for
the purpose of any exercise hereof or any distribution to the Holder, and for all other purposes,
absent actual notice to the contrary.

(c) Transfer Restrictions. If, at the time of the surrender of this Warrant in
connection with any transfer of this Warrant, the transfer of this Warrant shall not be registered
pursuant to an effective registration statement under the Securities Act and under applicable state
securities or blue sky laws, the Company may require, as a condition of allowing such transfer (i)
that the Holder or transferee of this Warrant, as the case may be, furnish to the Company a written
opinion of counsel (which opinion shall be in form, substance and scope customary for opinions of
counsel in comparable transactions) to the effect that such transfer may be made without
registration under the Securities Act and under applicable state securities or blue sky laws, (ii)
that the holder or transferee execute and deliver to the Company an investment letter in form and
substance acceptable to the Company and (iii) that the transferee be an “accredited investor” as
defined in Regulation D promulgated under the Securities Act.

(d) Legend. The Holder acknowledges that Warrant Shares acquired upon the exercise of
this Warrant, if not registered, will have restrictions upon resale imposed by federal and state
securities laws. Warrant Shares issuable hereunder shall bear the following legend:

THESE SECURITIES HAVE NOT BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE
COMMISSION, OR THE SECURITIES COMMISSION OF ANY STATE, IN RELIANCE UPON AN
EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED
(THE “SECURITIES ACT”), AND APPLICABLE STATE SECURITIES LAWS. IN ADDITION,
THESE SECURITIES MAY BE DEEMED CONTROL SECURITIES WITHIN THE MEANING OF THE
SECURITIES ACT.  THESE SECURITIES MAY NOT BE OFFERED OR SOLD OR OTHERWISE
TRANSFERRED EXCEPT PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT UNDER THE
SECURITIES ACT OR PURSUANT TO AN AVAILABLE EXEMPTION FROM, OR IN A
TRANSACTION NOT SUBJECT TO, THE REGISTRATION REQUIREMENTS OF THE SECURITIES
ACT AND IN ACCORDANCE WITH APPLICABLE STATE SECURITIES LAWS AS EVIDENCED BY
A LEGAL OPINION OF COUNSEL TO THE TRANSFEROR TO SUCH EFFECT, THE SUBSTANCE
OF WHICH SHALL BE REASONABLY ACCEPTABLE TO THE COMPANY.

Section 5 Miscellaneous.

(a) Title to Warrant. The Company will register, at the Company’s election, this
Warrant, upon records to be maintained by the Company or the designated transfer agent for that
purpose, in the name of the record Holder hereof from time to time. The Company may deem and treat
the registered Holder of this Warrant as the absolute owner hereof for the purpose of any exercise
hereof or any notice to the Holder, and for all other purposes, absent actual written notice to the
contrary and compliance with the applicable provisions concerning transfer of this Warrant.

(b) No Rights as Shareholder Until Exercise. This Warrant does not entitle the Holder
to any voting rights or other rights as a stockholder of the Company prior to the Exercise Date and
then only with respect to Warrant Shares to be issued with respect thereto.

(c) Saturdays, Sundays, Holidays, etc. If the last or appointed day for the taking of
any action or the expiration of any right required or granted herein shall be a Saturday, Sunday or
a legal holiday, then such action may be taken or such right may be exercised on the next
succeeding day not a Saturday, Sunday or legal holiday.

(d) Exchange of Warrant for Warrants of Different Denominations. This Warrant is
exchangeable, upon the surrender hereof by the Holder at the principal office of the Company, for
new Warrants of like tenor representing in the aggregate the right to purchase the number of
Warrant Shares then purchasable hereunder, and each of such new Warrant will represent such portion
of such rights as is designated by the Holder at the time of such surrender. The date the Company
initially issued this Warrant will be deemed to be the warrant issue date for such new Warrants
regardless of the number of times new certificates representing the unexplored and unexercised
rights formerly represented by this Warrant shall be issued.

(e) Jurisdiction. All questions concerning the construction, validity, enforcement and
interpretation of this Warrant shall be determined in accordance with the provisions of the
Securities Purchase Agreement.

(f) No waiver. No course of dealing or any delay or failure to exercise any right
hereunder on the part of the Holder shall operate as a waiver of such right or otherwise prejudice
Holder’s rights, powers or remedies; provided, however, that all rights hereunder shall terminate
on the Termination Date.

(g) Limitation of Liability. No provision hereof, in the absence of any affirmative
action by the Holder to exercise this Warrant or purchase Warrant Shares, and no enumeration herein
of the rights or privileges of the Holder, shall give rise to any liability of the Holder for the
purchase price of any Common Stock or as a stockholder of the Company, whether such liability is
asserted by the Company or by creditors of the Company.

(h) Remedies. The Holder, in addition to being entitled to exercise all rights
granted by law, including recovery of damages, will be entitled to specific performance of its
rights under this Warrant. The Company agrees that monetary damages would not be adequate
compensation for any loss incurred by reason of a breach by it of the provisions of this Warrant
and hereby agrees to waive the defense in any action for specific performance that a remedy at law
would be adequate.

(i) Successors and Assigns. Subject to applicable securities laws and the other
restrictions on transfer set forth herein, this Warrant and the rights and obligations evidenced
hereby shall inure to the benefit of and be binding upon the successors of the Company and the
successors and permitted assigns of the Holder. The provisions of this Warrant are intended to be
for the benefit of all holders from time to time of this Warrant and shall be enforceable by any
such holder.

(j) Amendment. This Warrant may be modified or amended only by a written instrument
signed by the Company and the Holder.

(k) Severability. Wherever possible, each provision of this Warrant shall be
interpreted in such manner as to be effective and valid under applicable law, but if any provision
of this Warrant shall be prohibited by or invalid under applicable law, such provision shall be
ineffective to the extent of such prohibition or invalidity, without invalidating the remainder of
such provisions or the remaining provisions of this Warrant.

(l) Headings. The headings used in this Warrant are for the convenience of reference
only and shall not, for any purpose, be deemed a part of this Warrant.

IN WITNESS WHEREOF, the Company has caused this Warrant to be executed by its officer thereunto
duly authorized.

Dated: February 16, 2007

	 	 	 	 	 	 	 	 	 
	CTI GROUP (HOLDINGS) INC.	 	 	 	 	 	 	 	 
	By:
	 	/s/John Birbeck	 	 	 	 
	   Name:

	 	John Birbeck

	   Title:

	 	CEO

	Address for Notice:
	 	 	 	 	 	 	 	 
	333 North Alabama Street, Suite 240
	 	 	 	 
	Indianapolis, Indiana 46204
Attn: John Birbeck, CEO
	 	 	 	 	 	 	 	 
	with a copy to (which shall not constitute notice) to:
	 	 	 	 
	Blank Rome LLP
One Logan Square
	 	 	 	 	 	 	 	 
	Philadelphia, Pennsylvania 19103
	 	 	 	 
	Attn: Alan H. Lieblich, Esq.
	 	 	 	 	 	 	 	 

1

NOTICE OF EXERCISE FORM

TO: CTI GROUP (HOLDINGS) INC.

(1) The undersigned hereby elects to exercise this Warrant with respect to      Warrant
Shares of the Company pursuant to the terms of the enclosed Warrant and tenders herewith payment of
the Exercise Price in full, together with all applicable transfer taxes, if any.

(2) Payment shall take the form of (check applicable box):

[ ] Cash Exercise in lawful money of the United States pursuant to Section 2(c)(i)
of the Warrant; or

[ ] Cashless Exercise — the cancellation of such number of Warrant Shares as is
necessary, in accordance with the formula set forth in Section 2(c)(ii), to exercise
this Warrant with respect to the maximum number of Warrant Shares purchasable
pursuant to the Cashless Exercise procedure set forth in Section 2(c)(ii). [Note:
Use of the Cashless Exercise method will result in the issuance of a number of
Warrant Shares that is less than the number of Warrant Shares indicated in paragraph
(1) above)

(3) Please issue a certificate or certificates representing said Warrant Shares in the name of
the undersigned or in such other name as is specified below:

Note: If issued in the name of a Person other than the Holder, additional documentation may be
required by the Company as specified in the Warrant to assure compliance with federal and state
securities laws.

Warrant Shares shall be delivered to the following:

(4) The undersigned has not previously sold, transferred or assigned this Warrant.

	 	 	 
	Name of Holder

	 	

	 
	 	 
	Signature of Authorized Signatory

	 	Signature of Holder
	 
	 	 
	Name of Authorized Signatory:

	 	

	 
	 	 
	Title of Authorized Signatory:

	 	

	 
	 	 
	Date:

	 	

2

ASSIGNMENT FORM

(To assign the Warrant, execute

this form and supply required information.

Do not use this form to exercise the Warrant.)

FOR VALUE RECEIVED, the foregoing Warrant and all rights evidenced thereby are hereby assigned to
     whose address is
     .

	 
	 

	Dated:

	 
	 

	Holder’s Signature:

	 

	Holder’s Address:

NOTE: The signature to this Assignment Form must correspond with the name as it appears on the
face of the Warrant, without alteration or enlargement or any change whatsoever, and must be
guaranteed by a bank or trust company. Officers of corporations and those acting in a fiduciary or
other representative capacity should file proper evidence of authority to assign the foregoing
Warrant. Additional documentation may be required by the Company as specified in the Warrant to
assure compliance with federal and state securities laws.

3EX-10.2

EXHIBIT 10.2 Securities Purchase Agreement between Fairford Scandinavia and the
Company

SECURITIES PURCHASE AGREEMENT

This Securities Purchase Agreement (this “Agreement”), dated February 16, 2007, is entered by
and between CTI Group (Holdings) Inc., a Delaware corporation (the “Company”), and Fairford
Holdings Scandinavia AB (the “Purchaser”).

WHEREAS, the Purchaser secured the issuance of a $2.6 million letter of credit (the “Letter of
Credit”) from SEB to National City Bank, a national banking association (“National City Bank”),
with which the Company entered into the Loan Agreement (the “Loan Agreement”), dated as of
December 22, 2006, related to the $2.6 million acquisition loan (the “Acquisition Loan”) and $8.0
million revolving loan extended by the National City Bank to the Company;

WHEREAS, due to National City Bank’s receipt of the Letter of Credit, the Company was able to
obtain the Acquisition Loan at a favorable cash-backed interest rate; and

WHEREAS, subject to the terms and conditions set forth in this Agreement and pursuant to
Section 4(2) of the Securities Act of 1933, as amended (the “Securities Act”), the Company desires
to issue and sell to the Purchaser, and the Purchaser desires to purchase from the Company,
securities of the Company as more fully described in this Agreement.

NOW, THEREFORE, intending to be legally bound hereby and in consideration for securing the
issuance of the Letter of Credit, the mutual covenants contained in this Agreement and for other
good and valuable consideration the receipt and sufficiency of which are hereby acknowledged by the
parties hereto, the Company and the Purchaser agree as follows:

ARTICLE I

DEFINITIONS

1.1 Definitions. In addition to the terms defined elsewhere in this Agreement, the
following terms have the meanings indicated in this Section 1.1:

“Affiliate” shall mean any Person that, directly or indirectly through one or more
intermediaries, controls or is controlled by or is under common control with a Person, as such term
is used in and construed under Rule 144 under the Securities Act.

“Closing” shall mean the closing of the purchase and sale of the Securities pursuant
to Section 2.1.

“Closing Date” shall mean the Trading Day selected by the Company after all of the
conditions precedent to the Purchaser’s and the Company’s respective obligations set forth in
Section 2.3 have been satisfied or waived.

“Common Stock” shall mean Class A common stock of the Company, par value $0.01 per
share, and any securities into which such Class A common stock may hereinafter be reclassified
into.

“including” shall mean including, without limitation.

“Person” shall mean an individual or corporation, partnership, trust, incorporated or
unincorporated association, joint venture, limited liability company, joint stock company,
government (or an agency or subdivision thereof) or other entity of any kind.

“Rule 144” shall mean Rule 144 promulgated by the SEC pursuant to the Securities Act,
as such Rule may be amended from time to time, or any similar rule or regulation hereafter adopted
by the SEC having substantially the same effect as such Rule.

“SEC” shall mean the U.S. Securities and Exchange Commission.

“Securities” shall mean the Warrant and the Warrant Shares issuable under the
Transaction Documents.

“Trading Day” shall mean a day during which trading in securities generally occurs on
an exchange or the OTC Bulletin Board on which shares of Common Stock are then listed or quoted, as
applicable.

“Transaction Documents” shall mean this Agreement, the Warrant and any other documents
or agreements executed in connection with the transactions contemplated hereunder.

“Warrant” shall mean the Class A Common Stock Purchase Warrant in the form of
Exhibit A attached hereto delivered to the Purchaser at the Closing in accordance with
Section 2.2(a). The Warrant shall represent the right to purchase 419,495 shares of Common Stock
at an exercise price of $0.34 per share, subject to adjustment.

“Warrant Shares” shall mean the shares of Common Stock issuable upon the exercise of
the Warrant.

ARTICLE II

CLOSING

2.1 Closing. On the Closing Date, upon the terms and subject to the conditions set
forth herein, the Company agrees to sell, and the Purchaser agrees to purchase the Warrant. The
Company shall deliver to the Purchaser the Warrant and the other items set forth in Section 2.2(a)
at the Closing. Upon satisfaction of the conditions set forth in Section 2.2, the Closing shall
occur at the offices of the Company, or such other location as the parties shall mutually agree.

2.2 Deliveries.

(a) On the Closing Date, the Company shall deliver or cause to be delivered to the Purchaser
the following:

(i) this Agreement duly executed by the Company;

(ii) the Warrant duly executed by the Company and registered in the name of the
Purchaser in the form of Exhibit A attached hereto; and

(iii) the consent of National City Bank provided pursuant to Section 7.5 of the Loan
Agreement.

(b) On the Closing Date, the Purchaser shall deliver or cause to be delivered to the Company
this Agreement duly executed by the Purchaser.

2.3 Closing Conditions.

(a) The obligations of the Company hereunder in connection with the Closing are subject to the
following conditions being met:

(i) the accuracy in all material respects when made and on the Closing Date (except
for representations and warranties made as of a specific date, which must be accurate in all
material respects as of such date) of the representations and warranties of the Purchaser contained
herein;

(ii) all obligations, covenants and agreements of the Purchaser required to be
performed at or prior to the Closing Date shall have been performed; and

(iii) the delivery by the Purchaser of the items set forth in Section 2.2(b) of this
Agreement.

(b) The obligations of the Purchaser hereunder in connection with the Closing are subject to
the following conditions being met:

(i) the accuracy in all material respects when made and on the Closing Date (except
for representations and warranties made as of a specific date, which must be accurate in all
material respects as of such date) of the representations and warranties of the Company contained
herein;

(ii) all obligations, covenants and agreements of the Company required to be
performed at or prior to the Closing Date shall have been performed; and

(iii) the delivery by the Company of the items set forth in Section 2.2(a) of this
Agreement.

ARTICLE III

REPRESENTATIONS AND WARRANTIES

3.1 Representations and Warranties of the Company. The Company hereby represents and
warrants as of the date hereof to the Purchaser as follows:

(a) Organization and Authority. The Company is an entity duly incorporated and in
good standing under the laws of the jurisdiction of its incorporation with the requisite power and
authority to enter into, and to consummate the transactions contemplated by, the Transaction
Documents and otherwise to carry out its obligations thereunder.

(b) Enforcement. The execution, delivery and performance of the Transaction Documents
by the Company and the consummation by it of the transactions contemplated thereby have been duly
authorized by all necessary corporate action on the part of the Company and no further action is
required by the Company in connection therewith. This Agreement constitutes the valid and legally
binding obligation of the Company enforceable against the Company in accordance with its terms.

3.2 Representations and Warranties of the Purchaser. The Purchaser hereby represents
and warrants as of the date hereof to the Company as follows:

(a) Organization and Authority. The Purchaser is an entity duly organized, validly
existing and in good standing under the laws of the jurisdiction of its organization with the
requisite power and authority to enter into, and to consummate the transactions contemplated by,
the Transaction Documents and otherwise to carry out its obligations thereunder.

(b) Enforcement. The execution, delivery and performance of the Transaction Documents
by the Purchaser and the consummation by it of the transactions contemplated thereby have been duly
authorized by all necessary corporate or similar action on the part of the Purchaser and no further
action is required by the Purchaser in connection therewith. This Agreement constitutes the valid
and legally binding obligation of the Purchaser enforceable against the Purchaser in accordance
with its terms.

(c) Purchaser Representation. The Purchaser understands that the Securities are
“restricted securities” and have not been registered under the Securities Act or any applicable
state securities law and is acquiring the Securities as principal for its own account for
investment and not with a view to, or for sale in connection with, any distribution of such
Securities or any part thereof, has no present intention of distributing any of such Securities and
has no arrangement or understanding with any other persons regarding the distribution of such
Securities (this representation and warranty does not limit the Purchaser’s right to sell the
Securities in compliance with applicable federal and state securities laws). The Purchaser does
not have any agreement or understanding, directly or indirectly, with any Person to distribute any
of the Securities.

(d) Experience of the Purchaser. The Purchaser, either alone or together with its
representatives, has such knowledge, sophistication and experience in business and financial
matters so as to be capable of evaluating the merits and risks of the prospective investment in the
Securities, and has so evaluated the merits and risks of such investment. The Purchaser is able to
bear the economic risk of an investment in the Securities, has no need for liquidity with respect
to its investment and is able to afford a complete loss of such investment.

(e) General Solicitation. The Purchaser is not purchasing the Securities as a result
of any advertisement, article, notice or other communication regarding the Securities published in
any newspaper, magazine or similar media or broadcast over television or radio or presented at any
seminar or any other general solicitation or general advertisement.

(f) Purchaser Investigation. The Purchaser has had the opportunity to request and
receive all information deemed necessary by it to evaluate an investment in the Company. The
Purchaser confirms that the Company has made available to the Purchaser the opportunity to ask
questions of, and receive answers from the Company concerning the terms and conditions of the
Securities and the business of the Company, and to obtain additional information or documents which
the Company possesses or can acquire without unreasonable effort or expense. In formulating the
decision to acquire the Securities, the Purchaser has relied solely upon its own advisors and its
own independent investigation of the Company with respect to this Agreement and the nature and
effect of any investment in the Securities as well as the representations and warranties of the
Company in Section 3.1.

(g) Certain Fees. No brokerage or finder’s fees or commissions are or will be payable
to any broker, financial advisor or consultant, finder, placement agent, investment banker, bank or
other Person with respect to the transactions contemplated by this Agreement based upon
arrangements made by the Purchaser or any of its Affiliates. The Company shall have no obligation
with respect to any fees or with respect to any claims made by or on behalf of any Person for fees
of a type contemplated in this Section that may be due in connection with the transactions
contemplated by this Agreement based upon arrangements made by the Purchaser or any of its
Affiliates.

(h) Exercise of the Warrant. As of the date hereof, and on each date on which the
Purchaser exercises the Warrant, the Purchaser’s representations and warranties in subsections
3.2(c) — (g) shall be accurate in all material respects.

The Company acknowledges and agrees that the Purchaser does not make or has not made any
representations or warranties with respect to the transactions contemplated hereby other than those
specifically set forth in this Section 3.2.

ARTICLE IV

OTHER AGREEMENTS OF THE PARTIES

4.1 Transfer Restrictions.

(a) The Securities may only be disposed of in compliance with state and federal securities
laws. In connection with any transfer of the Securities other than pursuant to an effective
registration statement, the Company may require the Purchaser to provide to the Company an opinion
of counsel selected by the Purchaser and reasonably acceptable to the Company, the form and
substance of which opinion shall be reasonably satisfactory to the Company, to the effect that such
transfer does not require registration of such transferred Securities under the Securities Act. As
a condition of transfer, any such transferee shall agree in writing to be bound by the terms of
this Agreement and shall have the rights and obligations of the Purchaser under this Agreement,
provided that the foregoing shall not apply to a transfer of the Securities pursuant to an
effective registration statement.

(b) The Purchaser agrees to the imprinting, so long as is required by applicable federal and
state securities laws, of a legend on any of the Securities in the following form:

With respect to certificates representing Warrant Shares:

THESE SECURITIES HAVE NOT BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE
COMMISSION, OR THE SECURITIES COMMISSION OF ANY STATE, IN RELIANCE UPON AN EXEMPTION
FROM REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES
ACT”), AND APPLICABLE STATE SECURITIES LAWS. IN ADDITION, THESE SECURITIES MAY BE
DEEMED CONTROL SECURITIES WITHIN THE MEANING OF THE SECURITIES ACT.  THESE
SECURITIES MAY NOT BE OFFERED OR SOLD OR OTHERWISE TRANSFERRED EXCEPT PURSUANT TO AN
EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES ACT OR PURSUANT TO AN
AVAILABLE EXEMPTION FROM, OR IN A TRANSACTION NOT SUBJECT TO, THE REGISTRATION
REQUIREMENTS OF THE SECURITIES ACT AND IN ACCORDANCE WITH APPLICABLE STATE
SECURITIES LAWS AS EVIDENCED BY A LEGAL OPINION OF COUNSEL TO THE TRANSFEROR TO SUCH
EFFECT, THE SUBSTANCE OF WHICH SHALL BE REASONABLY ACCEPTABLE TO THE COMPANY.

With respect to the Warrant:

THE EXERCISE OF THIS WARRANT HAS NOT BEEN REGISTERED WITH THE SECURITIES AND
EXCHANGE COMMISSION OR THE SECURITIES COMMISSION OF ANY STATE. THIS WARRANT MAY
ONLY BE EXERCISED PURSUANT TO AN EXEMPTION FROM REGISTRATION UNDER THE SECURITIES
ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”) AND APPLICABLE STATE SECURITIES LAWS.
AS A CONDITION PRECEDENT TO THE EXERCISE OF THIS WARRANT, THE COMPANY MAY REQUIRE
SUCH CERTIFICATES AND OPINIONS OF COUNSEL AS IT DEEMS NECESSARY FROM THE PERSON
EXERCISING THIS WARRANT TO ESTABLISH THE EXISTENCE OF SUCH EXEMPTIONS.

NEITHER THIS WARRANT NOR THE SECURITIES INTO WHICH THIS WARRANT IS EXERCISABLE HAVE
BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION, OR THE SECURITIES
COMMISSION OF ANY STATE, IN RELIANCE UPON AN EXEMPTION FROM REGISTRATION UNDER THE
SECURITIES ACT AND APPLICABLE STATE SECURITIES LAWS. IN ADDITION, THIS WARRANT AND
THE SECURITIES INTO WHICH THIS WARRANT IS EXERCISABLE MAY BE DEEMED CONTROL
SECURITIES WITHIN THE MEANING OF THE SECURITIES ACT. THE WARRANT OR THE SECURITIES
INTO WHICH THIS WARRANT IS EXERCISABLE MAY NOT BE OFFERED OR SOLD OR OTHERWISE
TRANSFERRED EXCEPT PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT UNDER THE
SECURITIES ACT OR PURSUANT TO AN AVAILABLE EXEMPTION FROM, OR IN A TRANSACTION NOT
SUBJECT TO, THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT AND IN ACCORDANCE
WITH APPLICABLE STATE SECURITIES LAWS AS EVIDENCED BY A LEGAL OPINION OF COUNSEL TO
THE TRANSFEROR TO SUCH EFFECT, THE SUBSTANCE OF WHICH SHALL BE REASONABLY ACCEPTABLE
TO THE COMPANY.

THIS WARRANT IS SUBJECT TO OTHER RESTRICTIONS ON TRANSFER AS SET FORTH IN THE
SECURITIES PURCHASE AGREEMENT, DATED February 16, 2007, A COPY OF WHICH IS AVAILABLE
FROM THE COMPANY UPON WRITTEN REQUEST AND WITHOUT CHARGE.

(c) The Purchaser agrees that the removal of the restrictive legend from certificates
representing Securities as set forth in this Section 4.1 is predicated upon the Company’s reliance
that the Purchaser will sell or otherwise transfer any Securities pursuant to either the
registration requirements of the Securities Act, including any applicable prospectus delivery
requirements, or an exemption therefrom.

ARTICLE V

MISCELLANEOUS

5.1 Fees and Expenses. Except as expressly set forth in the Transaction Documents to
the contrary, each party shall pay the fees and expenses of its advisers, counsel, accountants and
other experts, if any, and all other expenses incurred by such party incident to the negotiation,
preparation, execution, delivery and performance of this Agreement. The Company shall pay all
transfer agent fees, stamp taxes and other taxes and duties levied in connection with the issuance
of any Securities in the name of the Purchaser.

5.2 Entire Agreement. The Transaction Documents, together with the exhibits and other
attachments thereto, contain the entire understanding of the parties with respect to the subject
matter hereof and supersede all prior agreements and understandings, oral or written, with respect
to such matters, which the parties acknowledge have been merged into such documents, exhibits and
attachments.

5.3 Notices. Any and all notices or other communications or deliveries required or
permitted to be provided hereunder shall be in writing and shall be deemed given and effective on
the earliest of (a) the date of transmission, if such notice or communication is delivered via
facsimile at the facsimile number set forth on the signature page to this Agreement prior to 5:30
p.m. (Eastern Time) on a Trading Day, (b) the next Trading Day after the date of transmission, if
such notice or communication is delivered via facsimile at the facsimile number set forth on the
signature page to this Agreement on a day that is not a Trading Day or later than 5:30 p.m.
(Eastern Time) on any Trading Day, (c) the second Trading Day following the date of mailing, if
sent by U.S. nationally recognized overnight courier service, or (d) upon actual receipt by the
party to whom such notice is required to be given. The address for such notices and communications
shall be as set forth on the signature page to this Agreement.

5.4 Amendments; Waivers. No provision of this Agreement may be waived or amended
except in a written instrument signed, in the case of an amendment, by the Company and the
Purchaser or, in the case of a waiver, by the party against whom enforcement of any such waiver is
sought. No waiver of any default with respect to any provision, condition or requirement of this
Agreement shall be deemed to be a continuing waiver in the future or a waiver of any subsequent
default or a waiver of any other provision, condition or requirement hereof, nor shall any delay or
omission of either party to exercise any right hereunder in any manner impair the exercise of any
such right.

5.5 Construction. The headings herein are for convenience only, do not constitute a
part of this Agreement and shall not be deemed to limit or affect any of the provisions hereof.
The language used in this Agreement will be deemed to be the language chosen by the parties to
express their mutual intent, and no rules of strict construction will be applied against any party.

5.6 Successors and Assigns. This Agreement shall be binding upon and inure to the
benefit of the parties hereto and their successors and permitted assigns. The Company may not
assign this Agreement or any rights or obligations hereunder without the prior written consent of
the Purchaser. The Purchaser may assign any or all of its rights under this Agreement to any
Person to whom the Purchaser assigns or transfers any Securities, provided such transferee agrees
in writing to be bound, with respect to the transferred Securities, by the provisions hereof that
apply to the “Purchaser.”

5.7 No Third-Party Beneficiaries. This Agreement is intended for the benefit of the
parties hereto and their respective successors and permitted assigns and is not for the benefit of,
nor may any provision hereof be enforced by, any other Person.

5.8 Governing Law. All questions concerning the construction, validity, enforcement
and interpretation of the Transaction Documents shall be governed by and construed and enforced in
accordance with the internal laws of the State of Delaware, without regard to the principles of
conflicts of law thereof. Each party agrees that all legal proceedings concerning the
interpretations, enforcement and defense of the transactions contemplated by this Agreement and any
other Transaction Documents (whether brought against a party hereto or its respective affiliates,
directors, officers, stockholders, employees or agents) shall be commenced exclusively in the state
and federal courts sitting in the State of Delaware. Each party hereby irrevocably submits to the
exclusive jurisdiction of the state and federal courts sitting in the State of Delaware for the
adjudication of any dispute hereunder or in connection herewith or with any transaction
contemplated hereby or discussed herein (including with respect to the enforcement of any of the
Transaction Documents), and hereby irrevocably waives, and agrees not to assert in any suit, action
or proceeding, any claim that it is not personally subject to the jurisdiction of any such court,
that such suit, action or proceeding is improper or inconvenient venue for such proceeding. Each
party hereby irrevocably waives personal service of process and consents to process being served in
any such suit, action or proceeding by mailing a copy thereof via registered or certified mail or
overnight delivery (with evidence of delivery) to such party at the address in effect for notices
to it under this Agreement and agrees that such service shall constitute good and sufficient
service of process and notice thereof. Nothing contained herein shall be deemed to limit in any
way any right to serve process in any manner permitted by law. The parties hereby waive all rights
to a trial by jury. If either party shall commence an action or proceeding to enforce any
provisions of the Transaction Documents, then the prevailing party in such action or proceeding
shall be reimbursed by the other party for its attorneys’ fees and other costs and expenses
incurred with the investigation, preparation and prosecution of such action or proceeding.

5.9 Survival. The representations and warranties contained herein shall survive the
Closing and the delivery of the Securities, as applicable, for a period of two years.

5.10 Execution. This Agreement may be executed in two or more counterparts, all of
which when taken together shall be considered one and the same agreement and shall become effective
when counterparts have been signed by each party and delivered to the other party, it being
understood that both parties need not sign the same counterpart. In the event that any signature
is delivered by facsimile transmission, such signature shall create a valid and binding obligation
of the party executing (or on whose behalf such signature is executed) with the same force and
effect as if such facsimile signature page were an original thereof.

5.11 Severability. If any provision of this Agreement is held to be invalid or
unenforceable in any respect, the validity and enforceability of the remaining terms and provisions
of this Agreement shall not in any way be affected or impaired thereby and the parties will attempt
to agree upon a valid and enforceable provision that is a reasonable substitute therefor, and upon
so agreeing, shall incorporate such substitute provision in this Agreement.

5.12 Replacement of Securities. If any certificate or instrument evidencing any
Securities is mutilated, lost, stolen or destroyed, the Company shall issue or cause to be issued
in exchange and substitution for and upon cancellation thereof, or in lieu of and substitution
therefor, a new certificate or instrument, but only upon receipt of evidence reasonably
satisfactory to the Company of such mutilation, loss, theft or destruction and customary and
reasonable indemnity, if requested. The applicants for a new certificate or instrument under such
circumstances shall also pay any reasonable third-party costs associated with the issuance of such
replacement Securities.

5.13 Remedies. In addition to being entitled to exercise all rights provided herein
or granted by law, including recovery of damages, the Purchaser and the Company will be entitled to
specific performance under the Transaction Documents. The parties agree that monetary damages may
not be adequate compensation for any loss incurred by reason of any breach of obligations described
in the foregoing sentence and hereby agree to waive in any action for specific performance of any
such obligation the defense that a remedy at law would be adequate.

[SIGNATURE PAGE FOLLOWS]

1

IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be duly executed by their
respective authorized signatories as of the date first indicated above.

	 	 	 	 	 	 	 	 	 	 	 	 	 
	 
	 	 	 	 	 	 	 	 	 	 	 	 
	CTI GROUP (HOLDINGS) INC.

	 	Address for Notice:
	By:
	 	/s/John Birbeck
	 	333 North Alabama Street, Suite 240
	 	 	 
	 	 	 	 
	 
	 	Name:
	 	John Birbeck
	 	Indianapolis, Indiana 46204

	 
	 	 	 	 	 	 	 	 	 	 	 	 
	 
	 	Title:
	 	CEO
	 	Fax No.:  317-262-4513

	 
	 	 	 	 	 	 	 	 	 	 	 	 

	 	 	 	 	 	 	 
	With a copy to (which shall not constitute notice):
	Blank Rome LLP
	One Logan Square
	Philadelphia, PA 19103
	Attn: Alan H. Lieblich, Esq.

	 	 	 	 	 	 	 
	 
	 	 	 	 	 	 
	 
	 	 	 	 	 	 
	FAIRFORD SCANDINAVIA AB
	 	Address for Notice:
	 
	 	 	 	 	 	 
	By:	 	/s/Bengt Dahl
	 	 
	 
	 	 	 	 	 	 
	 	 	 
	 	 
	 
	 	 	 	 	 	 
	
 
	 	Name:
	 	Bengt Dahl
	 	Box 40, 831 21 Östersund, Sweden
	
 
	 	 	 	 
	 	

	 
	 	 	 	 	 	 
	
 
	 	Title:
	 	Director
	 	Fax No.: 46 63 13 38 25
	
 
	 	 	 	 
	 	

	 
	 	 	 	 	 	 

2

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