Exhibit 10.22

EMPLOYMENT AGREEMENT

This employment agreement (the “Agreement”) is entered into as of July 16, 2007
(the “Effective Date”) by and between Avistar Communications Corporation (the
“Company”) and Simon Moss (“Executive”).
       1.       Duties and Scope of Employment.
 
(a)  Positions and Duties.  As of the Effective Date, Executive will serve as
President of the Company.  Executive will render such business and professional
services in the performance of his duties, consistent with Executive’s position
within the Company, as shall reasonably be assigned to him by the Chairman of
the Company’s Board of Directors (the “Board”).

(b)  Obligations.  During the Employment Term (as defined herein), Executive
will perform his duties faithfully and to the best of his ability and will
devote his full business efforts and time to the Company.  For the duration of
the Employment Term, Executive agrees not to actively engage in any other
employment, occupation or consulting activity for any direct or indirect
remuneration without the prior approval of the Board.

(c)  Work Eligibility.  In order to comply with employer regulations adopted in
the Immigration Reform and Control Act of 1986, within three (3) business days
of employment, Executive will need to present documentation demonstrating
authorization to work in the United States.

2.  At-Will Employment.  Executive’s employment with the Company pursuant to
this Agreement (the “Employment Term”) shall commence on the Effective Date and
shall continue, unless otherwise terminated as provided herein.  Notwithstanding
the foregoing, the parties agree that Executive’s employment with the Company
will be “at-will” employment and may be terminated at any time with or without
cause or notice.  Executive understands and agrees that neither his job
performance nor promotions, commendations, bonuses or the like from the Company
give rise to or in any way serve as the basis for continuation, modification,
amendment, or extension, by implication or otherwise, of his employment with the
Company.  However, as described in this Agreement, Executive may be entitled to
severance benefits depending on the circumstances of Executive’s termination of
employment with the Company.

3.  Compensation.

(a)  Base Salary.  During the Employment Term, the Company will pay Executive as
compensation for his services a base salary at the annualized rate of
$250,000.00 or such other rate not below $250,000.00 as the Compensation
Committee of the Board (the “Compensation Committee”) may determine from time to
time (the “Base Salary”).  The Base Salary will be paid periodically in
accordance with the Company’s normal payroll practices and be subject to
applicable withholding taxes.

Once the Compensation Committee has approved or increased such Base Salary, it
thereafter shall not be reduced; provided, however, that if a Change of Control
(as defined below) has not occurred, such Base Salary may be reduced by the
Compensation Committee if such reduction is in proportion to a salary reduction
program approved by the Board which affects a majority of the other executive
officers of the Company generally.

(b)  Stock Options.  The Company shall recommend to its Compensation Committee
that Executive be granted an option to purchase up to 1,100,000 shares of the
Company’s Common Stock at an exercise price equal to the fair market value of
the Company’s Common Stock on the date of grant (the “Option”).  The Option
shall vest over a four (4) year period subject to Executive’s continued service
with the Company through the relevant vesting dates.  In all other respects, the
Option shall be subject to the terms, definitions and provisions of the
Company’s 2000 Stock Plan and form of option agreement adopted for use
thereunder.

Executive will be eligible to participate in the Company’s annual incentive
option program pursuant to such terms and conditions as determined by the
Compensation Committee in its sole discretion.  Subject to individual and
Company performance objectives set by the Compensation Committee, such annual
incentive option grant to Executive for 2008 could be between 250,000 and
500,000 shares.  However, any such annual option grant or additional grants and
the amount of such grants will be in the sole discretion of the Board and/or the
Compensation Committee, as applicable.

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(c)  Bonus.  For each fiscal year of the Company, Executive will be eligible to
receive an annual bonus based upon the achievement of performance criteria
specified by the Compensation Committee (the “Bonus”).  Any Bonus paid shall be
subject to all applicable withholding taxes and will be paid within sixty (60)
days of the date that the Bonus is earned.  The annual bonus shall be determined
and paid in two installments, the first as of June 30 and the second as of
December 31 of each year during the Employment Term.

For fiscal 2007 the actual amount of Bonus paid will depend upon revenue earned
by the Products Division of the Company during Quarter 3 and Quarter 4 of fiscal
2007 and will not be subject to any minimum revenue threshold.  The amount to be
paid will be calculated based on a product and services revenue target of $5.4
million and a target Bonus of $74,500 for Quarters 3 and 4 of fiscal 2007
combined.  The percentage of the revenue target earned by the close of each
quarter will be used to calculate the percentage of $74,500 earned for that
quarter and paid out following the close of that quarter.  Should product
revenues total $6.05 million or more by the end of Q4 of fiscal 2007, the
Executive will be paid an additional $13,000, making the total possible Bonus
for fiscal 2007 equal to $87,500.  This additional bonus will not be subject to
pro-ration for revenues less than $6.05 million.

For fiscal 2008, the total possible Bonus will equal $175,000 based on metrics
to be approved in the sole discretion of the Compensation Committee (metrics may
include, but are not limited to, minimum revenue, total revenue, revenue growth,
profits, and the like).  Bonus calculations will be subject to a minimum revenue
threshold determined by the Compensation Committee in its sole discretion.

4.  Employee Benefits.  During the Employment Term, Executive will be entitled
to participate in the employee benefit plans currently and hereafter maintained
by the Company of general applicability to other senior executives of the
Company.  The Company reserves the right to cancel or change the benefit plans
and programs it offers to its employees at any time.

5.  Expenses.  The Company will reimburse Executive for reasonable travel,
entertainment or other expenses incurred by Executive in the furtherance of or
in connection with the performance of Executive’s duties hereunder, in
accordance with the Company’s expense reimbursement policy as in effect from
time to time.

6.  Severance.

(a)  Involuntary Termination.  If prior to a Change of Control (as defined
below), Executive’s employment with the Company terminates (excluding a
termination based on Executive’s death or Disability (as defined herein)) other
than voluntarily or for Cause (as defined herein), and Executive signs and does
not revoke a standard release of claims with the Company, then, subject to
Section 10, Executive shall be entitled to receive: (i) continuing payments of
severance pay (less applicable withholding taxes) at a rate equal to his Base
Salary rate, as then in effect, for a period of six (6) months from the date of
such termination of employment, to be paid periodically in accordance with the
Company’s normal payroll policies; (ii) all shares of common stock subject to
the Option which have vested as of the date of Executive’s termination of
employment shall be exercisable for a period of six (6) months following the
date of such termination, provided, however, that in no event shall this
provision operate to extend the Option beyond the term/expiration date of such
Option (and in no event will extend the term of the Option beyond ten (10) years
from the date of grant), nor shall the unvested portion of the Option continue
to vest during the six (6) month severance period; (iii) reimbursement for the
cost of continued life insurance and health plan coverage for the Executive and
his dependents for a period of six (6) months from the date of such termination
of employment; provided, however, that (A) the Executive constitutes a qualified
beneficiary, as defined in Section 4980B(g)(1) of the Internal Revenue Code of
1986, as amended  (the “Code”) and (B) Executive elects continuation coverage
pursuant to the Consolidated Omnibus Budget Reconciliation Act of 1985, as
amended (“COBRA”), within the time period prescribed pursuant to COBRA; and (iv)
the portion of the projected Bonus for the fiscal year in which such termination
of employment occurs accrued up to the date of termination as determined by the
Compensation Committee in its sole discretion.

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(b)  Voluntary Termination; Termination for Cause.  If the Executive’s
employment with the Company terminates voluntarily by Executive (including a
termination due to death or Disability) or for Cause by the Company, then (i)
all vesting of all options to purchase the Common Stock of the Company and other
equity awards will terminate immediately and all payments of compensation by the
Company to Executive hereunder will terminate immediately (except as to amounts
already earned) and (ii) Executive shall not receive any severance benefits or
the continuation of any other benefits.

(c)  Change of Control.  In the event of a Change of Control that occurs prior
to the second anniversary of the Effective Date, then, subject to Section 10,
fifty percent (50%) of the shares subject to the Option shall become fully
vested and exercisable.

7.  Section 409A.

(a)           Notwithstanding anything to the contrary in this Agreement, if
Executive is a “specified employee” within the meaning of Section 409A of the
Code and the final regulations and any other guidance promulgated thereunder
(“Section 409A”) at the time of his termination, and the severance payable to
Executive, if any, pursuant to this Agreement, when considered together with any
other severance payments or separation benefits which may be considered deferred
compensation under Section 409A (together, the “Deferred Compensation Separation
Benefits”) will not and could not under any circumstances, regardless of when
such termination occurs, be paid in full by March 15 of the year following
Executive’s termination, then only that portion of the Deferred Compensation
Separation Benefits which do not exceed the Section 409A Limit (as defined
below) may be made within the first six (6) months following Executive’s
termination of employment in accordance with the payment schedule applicable to
each such payment or benefit.  For these purposes, each severance payment and
benefit is hereby designated as a separate payment and will not collectively be
treated as a single payment.  Any portion of the Deferred Compensation
Separation Benefits in excess of the Section 409A Limit shall accrue and, to the
extent such portion of the Deferred Compensation Separation Benefits would
otherwise have been payable within the first six (6) months following
Executive’s termination of employment, will become payable on the first payroll
date that occurs on or after the date six (6) months and one (1) day following
the date of Executive’s termination of employment.  All subsequent Deferred
Compensation Separation Benefits, if any, will be payable in accordance with the
payment schedule applicable to each payment or benefit.
 
(b)           The foregoing provision is intended to comply with the
requirements of Section 409A so that none of the severance payments and benefits
to be provided hereunder will be subject to the additional tax imposed under
Section 409A, and any ambiguities herein will be interpreted to so comply.  The
Company and Executive agree to work together in good faith to consider
amendments to this Agreement and to take such reasonable actions which are
necessary, appropriate or desirable to avoid imposition of any additional tax or
income recognition prior to actual payment to Executive under Section 409A.

(c)           For purposes of this Agreement, “Section 409A Limit” shall mean
the lesser of two (2) times: (i) Executive’s annualized compensation based upon
the annual rate of pay paid to Executive during the Company’s taxable year
preceding the Company’s taxable year of Executive’s termination of employment as
determined under Treasury Regulation 1.409A-1(b)(9)(iii)(A)(1) and any Internal
Revenue Service guidance issued with respect thereto; or (ii) the maximum amount
that may be taken into account under a qualified plan pursuant to Section
401(a)(17) of the Code for the year in which Executive’s employment is
terminated.

8.  Definitions.

(a)  Cause.  For purposes of this Agreement, “Cause” is defined as (i) Executive
engaging in knowing and intentional illegal conduct that is injurious to the
Company; (ii) Executive’s conviction of, or plea of nolo contendere to, a
felony; (iii) Executive’s gross misconduct; or (iv) Executive’s continued
substantial violations of his employment duties after Executive has received a
written demand for performance from the Company which specifically sets forth
the factual basis for the Company’s belief that Executive has not substantially
performed his duties.

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(b)  Change of Control.  For purposes of this Agreement, “Change of Control” of
the Company is defined as: (i) any “person” (as such term is used in Sections
13(d) and 14(d) of the Securities Exchange Act of 1934, as amended), is or
becomes the “beneficial owner” (as defined in Rule 13d-3 under said Act),
directly or indirectly, of securities of the Company representing more than
fifty percent (50%) of the total voting power represented by the Company’s then
outstanding voting securities, except Gerald J. Burnett; or (ii) the date of the
consummation of a merger or consolidation of the Company with any other
corporation that has been approved by the shareholders of the Company, other
than a merger or consolidation which would result in the voting securities of
the Company outstanding immediately prior thereto continuing to represent
(either by remaining outstanding or by being converted into voting securities of
the surviving entity) more than fifty percent (50%) of the total voting power
represented by the voting securities of the Company or such surviving entity
outstanding immediately after such merger or consolidation or the shareholders
of the Company approve a plan of complete liquidation of the Company; or (iii)
the date of the consummation of the sale or disposition by the Company of all or
substantially all of the Company’s assets.

(c)  Disability.  For purposes of this Agreement, “Disability” means the
inability of Executive, due to a physical or mental impairment, to perform the
essential functions of the Executive’s position, with or without reasonable
accommodation, for a period of ninety (90) days.  Whether Executive is disabled
shall be determined by the Company based on evidence provided by one or more
physicians selected by the Company.

(d)  Involuntary Termination.  For purposes of Section 6 of this Agreement,
“Involuntary Termination” shall include termination of Executive’s employment by
Executive within ninety (90) days after the occurrence of any of the following:
(i) any material diminution in Executive’s authority, duties or
responsibilities; (ii) any material diminution in Base Salary, other than a
reduction that is consistent with an across-the-board reduction in the base
compensation payable to other executive employees; and (iii) any material change
in the geographic location at which Executive must perform services (in other
words, the relocation of Executive to a principal work location that is more
than fifty (50) miles from the Company’s location on the Effective Date),
unless, in each case, such reduction or change is consented to in writing by
Executive.  Notwithstanding the foregoing, before Executive’s termination of
employment may be considered an Involuntary Termination, (A) Executive must
provide the Company with written notice within ninety (90) days of the event
that Executive believes constitutes an “Involuntary Termination” specifically
identifying the acts or omissions constituting the grounds for an Involuntary
Termination and (B) the Company must have an opportunity within thirty (30) days
following delivery of such notice to cure the Involuntary Termination condition.

9.  Confidential Information.  Executive covenants that he has executed the
Company’s standard Confidential Information and Invention Assignment Agreement
(the “Confidential Information Agreement”) and such agreement is and shall
remain in full force and effect upon the Effective Date.  Executive further
agrees to sign any future amendments to the Confidential Information Agreement
provided that such amendment is also signed by a majority of the officers of the
Company.
 
     10.   Conditional Nature of Severance Payments.
 
(a)  Noncompete.  Executive acknowledges that the nature of the Company’s
business is such that if Executive were to become employed by, or substantially
involved in, the business of a competitor of the Company during the six (6)
months following the termination of Executive’s employment with the Company, it
would be very difficult for Executive not to rely on or use the Company’s trade
secrets and confidential information.  Thus, to avoid the inevitable disclosure
of the Company’s trade secrets and confidential information, Executive agrees
and acknowledges that Executive’s right to receive the severance payments set
forth in Section 6 (to the extent Executive is otherwise entitled to such
payments) shall be conditioned upon Executive not directly or indirectly
engaging in (whether as an employee, consultant, agent, proprietor, principal,
partner, shareholder, corporate officer, director or otherwise), nor having any
ownership interested in or participating in the financing, operation, management
or control of, any person, firm, corporation or business that competes with
Company or is a customer of the Company.  Upon any breach of this section, all
severance payments pursuant to this Agreement shall immediately cease.

(b)  Non-Solicitation.  Until the date one (1) year after the termination of
Executive’s employment with the Company for any reason, Executive agrees and
acknowledges that Executive’s right to receive the severance payments set forth
in Section 6 (to the extent Executive is otherwise entitled to such payments)
shall be conditioned upon Executive not either directly or indirectly
soliciting, inducing, attempting to hire, recruiting, encouraging, taking away,
hiring any employee of the Company or causing an employee to leave his or her
employment either for Executive or for any other entity or person.

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(c)  Consequences of Breach of Section 10(a) or 10(b).  Executive agrees and
acknowledges that upon any breach by Executive of either Section 10(a) or 10(b)
of this Agreement, the Company shall have the right to terminate all severance
benefits set forth in this Agreement.

(d)  Understanding of Covenants.  Executive represents that he (i) is familiar
with the foregoing covenants not to compete and not to solicit, and (ii) is
fully aware of his obligations hereunder, including, without limitation, the
reasonableness of the length of time, scope and geographic coverage of these
covenants.

11.  Assignment.  This Agreement will be binding upon and inure to the benefit
of (a) the heirs, executors and legal representatives of Executive upon
Executive’s death and (b) any successor of the Company.  Any successor of the
Company will be deemed substituted for the Company under the terms of this
Agreement for all purposes. For this purpose, “successor” means any person,
firm, corporation or other business entity which at any time, whether by
purchase, merger or otherwise, directly or indirectly acquires all or
substantially all of the assets or business of the Company.  None of the rights
of Executive to receive any form of compensation payable pursuant to this
Agreement may be assigned or transferred except by will or the laws of descent
and distribution.  Any other attempted assignment, transfer, conveyance or other
disposition of Executive’s right to compensation or other benefits will be null
and void.

12.  Notices.  All notices, requests, demands and other communications called
for hereunder shall be in writing and shall be deemed given (a) on the date of
delivery if delivered personally; (b) one (1) day after being sent by a well
established commercial overnight service; or (c) four (4) days after being
mailed by registered or certified mail, return receipt requested, prepaid and
addressed to the parties or their successors at the following addresses, or at
such other addresses as the parties may later designate in writing:

If to the Company:

Avistar Communications Corporation
1875 South Grant Street, 10th Floor
San Mateo, CA  94402
Attn:  Chairman of the Board of Directors

If to Executive:

at the last residential address known by the Company.

13.  Severability.  In the event that any provision hereof becomes or is
declared by a court of competent jurisdiction to be illegal, unenforceable or
void, this Agreement will continue in full force and effect without said
provision.
 
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        14.       Arbitration.
 
(a)  General.  In consideration of Executive’s service to the Company, its
promise to arbitrate all employment related disputes and Executive’s receipt of
the compensation, pay raises and other benefits paid to Executive by the
Company, at present and in the future, Executive agrees that any and all
controversies, claims, or disputes with anyone (including the Company and any
employee, officer, director, shareholder or benefit plan of the Company in their
capacity as such or otherwise) arising out of, relating to, or resulting from
Executive’s service to the Company under this Agreement or otherwise or the
termination of Executive’s service with the Company, including any breach of
this Agreement, will be subject to binding arbitration under the Arbitration
Rules set forth in California Code of Civil Procedure Section 1280 through
1294.2, including Section 1283.05 (the “Rules”) and pursuant to California
law.  Disputes which Executive agrees to arbitrate, and thereby agrees to waive
any right to a trial by jury, include any statutory claims under state or
federal law, including, but not limited to, claims under Title VII of the Civil
Rights Act of 1964, the Americans with Disabilities Act of 1990, the Age
Discrimination in Employment Act of 1967, the Older Workers Benefit Protection
Act, the California Fair Employment and Housing Act, the California Labor Code,
claims of harassment, discrimination or wrongful termination and any statutory
claims.  Executive further understands that this Agreement to arbitrate also
applies to any disputes that the Company may have with Executive.
 
(b)  Procedure.  Executive agrees that any arbitration will be administered by
the Judicial Arbitration and Mediation Services (“JAMS”) and that a neutral
arbitrator will be selected in a manner consistent with its National Rules for
the Resolution of Employment Disputes.  All arbitration proceedings shall be
held in San Mateo County, California.  The arbitration proceedings will allow
for discovery according to the rules set forth in the Employment Arbitration
Rules andProcedures of JAMS (the “JAMS Rules”) or California Code of Civil
Procedure.  Executive agrees that the arbitrator will have the power to decide
any motions brought by any party to the arbitration, including motions for
summary judgment and/or adjudication and motions to dismiss and demurrers, prior
to any arbitration hearing.  Executive agrees that the arbitrator will issue a
written decision on the merits.  Executive also agrees that the arbitrator will
have the power to award any remedies, including attorneys’ fees and costs,
available under applicable law.  Executive understands the Company will pay for
any administrative or hearing fees charged by the arbitrator or JAMS except that
with respect to any arbitration Executive initiates, Executive will pay the
amount Executive would have otherwise been required to pay to file a claim in
court.  Executive agrees that the arbitrator will administer and conduct any
arbitration in a manner consistent with the Rules and that to the extent that
the Rules conflict with the Rules, the Rules will take precedence.
 
(c)  Remedy. Except as provided by the Rules, arbitration will be the sole,
exclusive and final remedy for any dispute between Executive and the
Company.  Accordingly, except as provided for by the Rules, neither Executive
nor the Company will be permitted to pursue court action regarding claims that
are subject to arbitration.  Notwithstanding, the arbitrator will not have the
authority to disregard or refuse to enforce any lawful Company policy, and the
arbitrator will not order or require the Company to adopt a policy not otherwise
required by law which the Company has not adopted.  The prevailing party in any
arbitration proceeding shall be entitled to recover from the losing party all
costs that it has incurred as a result of such proceeding, including but not
limited to, all reasonable travel costs and reasonable attorneys’ fees.
 
(d)  Availability of Injunctive Relief.  In addition to the right under the
Rules to petition the court for provisional relief, Executive agrees that any
party may also petition the court for injunctive relief where either party
alleges or claims a violation of this Agreement or the Confidentiality Agreement
or any other agreement regarding trade secrets, confidential information,
nonsolicitation or Labor Code §2870.  In the event either party seeks injunctive
relief, the prevailing party will be entitled to recover reasonable costs and
attorneys’ fees.
 
(e)  Administrative Relief.  Executive understands that this Agreement does not
prohibit Executive from pursuing an administrative claim with a local, state or
federal administrative body such as the Department of Fair Employment and
Housing, the Equal Employment Opportunity Commission or the workers’
compensation board.  This Agreement does, however, preclude Executive from
pursuing court action regarding any such claim.
 
(f)  Voluntary Nature of Agreement.  Executive acknowledges and agrees that
Executive is executing this Agreement voluntarily and without any duress or
undue influence by the Company or anyone else. Executive further acknowledges
and agrees that Executive has carefully read this Agreement and that Executive
has asked any questions needed for Executive to understand the terms,
consequences and binding effect of this Agreement and fully understands it,
including that EXECUTIVE IS WAIVING EXECUTIVE’S RIGHT TO A JURY TRIAL.  Finally,
Executive agrees that Executive has been provided an opportunity to seek the
advice of an attorney of Executive’s choice before signing this Agreement.

15.  Integration.  This Agreement, together with the Company’s stock option
plan, any stock option agreements and the Confidential Information Agreement
represents the entire agreement and understanding between parties as to the
subject matter herein and supersedes all prior or contemporaneous agreements
whether written or oral.  No waiver, alteration, or modification of any of the
provisions of this Agreement will be binding unless in writing and signed by
duly authorized representatives of the parties hereto.

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16.  Waiver of Breach.  The waiver of a breach of any term or provision of this
Agreement, which must be in writing, will not operate as or be construed to be a
waiver of any other previous or subsequent breach of this Agreement.

17.  Headings.  All captions and section headings used in this Agreement are for
convenient reference only and do not form a part of this Agreement.

18.  Tax Withholding.  All payments made pursuant to this Agreement will be
subject to withholding of applicable taxes.

19.  Governing Law.  This Agreement will be governed by the laws of the State of
California (with the exception of its conflict of laws provisions).

20.  Acknowledgement.  Executive acknowledges that he has had the opportunity to
discuss this matter with and obtain advice from his private attorney, has had
sufficient time to, and has carefully read and fully understands all the
provisions of this Agreement, and is knowingly and voluntarily entering into
this Agreement.

21.  Counterparts.  This Agreement may be executed in counterparts, and each
counterpart will have the same force and effect as an original and will
constitute an effective, binding agreement on the part of each of the
undersigned.

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IN WITNESS WHEREOF, each of the parties has executed this Agreement, in the case
of the Company by their duly authorized officers, as of the day and year first
above written.

COMPANY:

Avistar Communications Corporation

By:            /s/ Gerald J. Burnett                              
                                          Date:                July 22,
2007                                
Gerald J. Burnett
Chairman of the Board of Directors

EXECUTIVE:

                  /s/ Simon
Moss                                                               Date:              July
25, 2007                                
Simon Moss

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