---

---

EXHIBIT 4.1

# SUMMARY OF ORIGINAL
HEBREW LANGUAGE UNPROTECTED TENANCY LEASE AGREEMENT

Made and signed on the 4th day
of December 2003 (hereinafter  the Agreement)

# BETWEEN:

EF-SHAR LTD.of 
Haoresh st. 4, Yahud 
(Hereinafter: Lessor)

# OF THE ONE PART

# AND:

Arel Communication and
Software LTD.
A Public Company, No.52-004171-6 
(Hereinafter:
Lessee)

# OF THE OTHER PART

|WHEREAS |  | The
Lessor is the owner of the rights of title to the property and declares that there is no
legal or contractual impediment to its entering into the contract contained in this
Agreement;
|------- |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

|AND WHEREAS | The Lessee wishes to take a letting of the Leased Property (as defined in section 1
below) from the Lessor by way of an unprotected tenancy in accordance with the terms and
conditions of this Agreement;
|----------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

# IT IS ACCORDINGLY
AGREED, DECLARED AND STIPULATED BETWEEN THE PARTIES AS FOLLOWS:

|1. | The
Leased Property
|-- | -------------------

| | A
property of 831 square meters, which includes 811 square meters of offices, and 20 square
meters of warehouse space on the 3rd floor of building no. 22 at Park HAMADA,
Nes-Ziona, also known as plot 3851 / 23 (hereinafter  the Leased Property).
| | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

|2. | The
Letting
|-- | -----------

| | 2.1 | The
Lessor hereby leases to the Lessee and the Lessee hereby agrees to lease the Leased
Property from the Lessor for a period of 60 months, which shall commence on 1.3.2004 and
shall terminate on 28.2.2009 (hereinafter  theLetting Period).
| | --- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



---

---

| | 2.2 | Despite
the term mentioned above, the Lessee may terminate the lease at periods of 12 months, 24
months, 36 months and 48 months following the commencement of the Letting Period. This
termination shall be applicable upon written notice of 120 days (before the termination
date), to be sent to the Lessor. The Lessee shall send the Lessor a bank check as agreed
compensation, which will be calculated as follows:
| | --- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

| | 2.2.1 | At
the end of 12 months, the Lessee shall pay the Lessor $250,000 US Dollars with the
addition of such amount in percentages as is equivalent to the rate of the rise in the
Israeli Consumer Prices Index (CPI Index) plus value added tax (VAT)
as required by law.
| | ----- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

| | 2.2.2 | At
the end of 24 months, the Lessee shall pay the Lessor 60% of the costs of the leasehold
improvements performed for the Leased Property and paid by the Lessor plus VAT as
required by law, $25,000 US Dollars and such amount in percentages as is equivalent to
the rate of the rise in the CPI Index plus VAT as required by law.
| | ----- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

| | 2.2.3 | At
the end of 36 months, the Lessee shall pay the Lessor 40% of the costs of the leasehold
improvements performed for the Leased Property and paid by the Lessor plus VAT as
required by law, $23,000 US Dollars and such amount in percentages as is equivalent to
the rate of the rise in the CPI Index plus VAT as required by law.
| | ----- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

| | 2.2.4 | At
the end of 48 months, the Lessee shall pay the Lessor 20% of the costs of the leasehold
improvements performed for the Leased Property and paid by the Lessor plus VAT as
required by law, $16,000 US Dollars and such amount in percentages as is equivalent to
the rate of the rise in the Israeli Consumer Prices Index (CPI Index) plus
VAT as required by law.
| | ----- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

| | 2.3 | Despite
the aforementioned, the Lessee may, beginning from the end of the first year of tenancy,
after receiving the written consent of the Lessor, sublet the Leased Property, provided
that the subletee will be bound by the specific terms of this Agreement.
| | --- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

|3. | The
Rent.
|-- | ---------

| | 3.1 | In
consideration for the performance of all of the Lessors obligations under this
Agreement, the Lessee shall pay monthly rent to the Lessor as follows:
| | --- | ---------------------------------------------------------------------------------------------------------------------------------------------------------



---

---

| | 3.1.1 | In
the first year of the Letting Period, the Lessee shall pay the Lessor a monthly rent of a
sum equivalent to NIS 28.9 ($6.5 US Dollars) per square meter, with the addition of such
amount in percentages as is equivalent to the rate of the rise in the CPI Index and with
the addition of VAT as required by law.
| | ----- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

| | 3.1.2 | In
the second year of the Letting Period, the Lessee shall pay the Lessor a monthly rent of
a sum equivalent to NIS 33.3 ($7.5 US Dollars) per square meter, with the addition of
such amount in percentages as is equivalent to the rate of the rise in the CPI Index and
with the addition of VAT as required by law.
| | ----- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

| | 3.1.3 | In
the third year of the Letting Period, the Lessee shall pay the Lessor a monthly rent of a
sum equivalent to NIS 37.7 ($8.5 US Dollars) per square meter, with the addition of such
amount in percentages as is equivalent to the rate of the rise in the CPI Index and with
the addition of VAT as required by law.
| | ----- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

| | 3.1.4 | In
the forth year of the Letting Period, the Lessee shall pay the Lessor a monthly rent of a
sum equivalent to NIS 40 ($9 US Dollars) per square meter, with the addition of such
amount in percentages as is equivalent to the rate of the rise in the CPI Index and with
the addition of VAT as required by law
| | ----- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

| | 3.1.5 | In
the fifth year of the Letting Period, the Lessee shall pay the Lessor a monthly rent of a
sum in equivalent to NIS 44.4 ($10 US Dollars) per square meter, with the addition of
such amount in percentages as is equivalent to the rate of the rise in the CPI Index and
with the addition of VAT as required by law.
| | ----- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

| | 3.1.6 | The
rent payment in consideration for the warehouse shall be a monthly payment of a sum
equivalent to NIS 22.2 ($5 US Dollars) per square meter, with the addition of such amount
in percentages as is equivalent to the rate of the rise in the CPI Index and with the
addition of VAT as required by law.
| | ----- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

| | 3.2 | The
rents to be paid under this Agreement as aforesaid (including payment of VAT thereon)
shall above and hereinafter in this Agreement be referred to as the Rent.
| | --- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------



---

---

| | 3.3 | The
Rent shall be paid as follows: upon signature of this Agreement, the Lessee shall pay the
Lessor in advance for the period of the first three months. On the first day of the
Letting Period, the Lessee shall pay in advance for an additional period of two months,
and maintenance payments (as described below) in consideration for the first six months
of the Letting Period. Beginning from the seventh month of the Letting Period, Rent shall
be paid in advance in respect of each six-month period, on the 1st day of the
first month of each six-month period.
| | --- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

| | 3.4 | The
Lessee shall not pay Rent for the first month of the first or second year of the Letting
Period, but shall continue to be obligated to pay all other payments in accordance with
this Agreement.
| | --- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

| | 3.5 | Rent
payments shall be made by bank transfer of the Rent to the Lessors account No.
67100/35 at Bank Leumi, Branch 800.
| | --- | ------------------------------------------------------------------------------------------------------------------------

|4. | Other
Payments for which the Lessee shall be Liable.
|-- | ----------------------------------------------------

| | 4.1 | All
such taxes, fees, general rates (arnona) and compulsory levies, whether municipal or
governmental which are imposed upon occupiers of leased property (as distinct from owners
of leased property), with respect to the use of the Leased Property or upon tenants of
leased properties, either directly or indirectly, in respect of the Letting Period shall
be the sole responsibility of the Lessee and shall be paid by the Lessee. The Lessee
shall make the foregoing payments on the legal date at which they are required to be paid
to the authorities.
| | --- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

| | 4.2 | The
Lessee undertakes, during the Letting Period, to bear all such payments and expenses in
respect of supply of electricity, water and telephone to the Leased Property.
| | --- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------

| | 4.3 | All
such taxes and payments, as become due in accordance with any applicable law, shall be
the responsibility of and shall be paid by the Lessee.
| | --- | -------------------------------------------------------------------------------------------------------------------------------------------------

| | 4.4 | The
Lessee shall be responsible for obtaining a business license for its activity at the
Leased Property if such a business license is required by law.
| | --- | -------------------------------------------------------------------------------------------------------------------------------------------------------

|5. | Maintenance
of the Leased Property during the Letting Period.
|-- | -------------------------------------------------------------

| | 5.1 | The
Lessor undertakes to provide cleaning and maintenance services regarding the common
property in the building of the Leased Property. The Lessee undertakes, as a condition
for commencement of the Letting Period, to pay the Lessor 115% of the amount of all
maintenance and other expenses.
| | --- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

| | 5.2 | The
Lessee undertakes not to make any external change in the Leased Property, make any
addition thereto nor demolish any part of the Leased Property or any of its
installations, without obtaining the advance and written consent of the Lessor.
| | --- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



---

---

|6. | Inapplicability
of the Tenants Protection Laws.
|-- | -----------------------------------------------

| | 6.1 | The
Tenancy, the Lessee and the Leased Property are not protected under the provisions of the
Tenants Protection Law (Consolidated Version) 5732-1972, nor under the provisions of any
other law which protects a Lessee or occupier in any way whatsoever, and the said laws
and amendments thereto shall not apply to the tenancy herein or to this Agreement.
| | --- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

| | 6.2 | The
Lessee hereby declares, undertakes and confirms that it has neither been requested to pay
nor has it paid key money or made payments that are likely to be construed as key money.
When vacating the Leased Property the Lessee shall not be entitled to any payment
whatsoever, whether as key money or in any other way.
| | --- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

|7. | The
Lessees Liability.
|-- | -----------------------

| | 7.1 | The
Lessee is responsible, at its own expense, for the repair of any fault discovered in the
Leased Property, with the exception of faults resulting from fair wear and tear.
| | --- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------

| | 7.2 | The
Lessor shall not bear any responsibility or liability whatsoever with regard to any
bodily injury or loss or damage to property, of whatever nature, which is caused to the
Lessee or to its employees, customers or visitors, or to any other person present in the
Leased Property. The Lessee accepts full responsibility towards the Lessor for any damage
of such nature and undertakes to compensate and indemnify the Lessor against any payment
of damage that it is liable to undertake to pay or is compelled to pay as a result of
damage of such nature and against any expense that the Lessor incurs in connection with
any such damage as aforesaid.
| | --- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

| | 7.3 | The
Lessor shall not bear any responsibility whatsoever for bodily injuries or damage to
property of the Lessee, its employees and customers, visitors, invitees or any other
third party, caused at the Leased Property during the Letting Period or any period
thereafter during which the Lessee has not vacated the Leased Property.
| | --- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

|8. | Insurance.
|-- | ----------

| | 8.1 | Without
derogating from the obligations of the Lessee under this Agreement, the Lessee undertakes
at its own expense to purchase and keep in force throughout the Letting Period, the
following insurance policies:
| | --- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



---

---

| | 8.1.1 | Property
insurance  insuring the contents of the Leased Property including such improvements
and investments made therein other than by the Lessor, of whatever kind and category, in
the full value thereof, against all generally insured risks including fire, explosion,
earthquake, storm, tempest, flooding, water damage, aircraft, collisions, strikes, riots,
willful damage and burglary.
| | ----- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

| | 8.1.2 | Consequential
damage insurance  insuring consequential damage caused to the Lessee in the full
value thereof resulting from loss or damage to the Lessees property and to the
Leased Property from the risks specified above in sub-clause 8.1.1.
| | ----- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

| | 8.1.3 | Third
party liability insurance  insuring the Lessees liability towards the Lessor
and to any third party, for an amount of no less than a sum in Shekels equivalent to
$1,000,000. The policy shall include a cross liability clause.
| | ----- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

| | 8.1.4 | Employers
liability insurance  insuring the Lessees liability towards its employees for
any bodily injury to any employee during the course of and as a result of his employment,
to the usual limit of liability at the date of inception of such insurance
| | ----- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

| | 8.2 | The
following provisions shall apply to the policies referred to above in Clause 8.1:
| | --- | -------------------------------------------------------------------------------------

| | 8.2.1 | The
Lessee shall effect the aforementioned insurance policies with a recognized and duly
authorized insurance company, update the sums insured, strictly comply with all the
provisions of the policies and pay insurance premiums on the due dates thereof.
| | ----- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

| | 8.2.2 | The
Lessee shall furnish the Lessor with a certificate of confirmation as to the inception of
such insurance policies as have been issued to it in accordance with Clause 8 above,
prior to the date of commencement of the Letting Period, as a precondition to the
commencement of the Letting Period. The Lessee shall also be obligated to renew and
update the policies on an ongoing basis.
| | ----- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

| | 8.3 | Without
prejudice to the foregoing, the Lessee declares that it is aware that the Lessor will
insure the building.
| | --- | ------------------------------------------------------------------------------------------------------------------



---

---

|9. | Prohibition
Against the Transfer of the Rights of the Lessee.
|-- | -------------------------------------------------------------

| | The
Lessee hereby undertakes not to transfer its rights under this Agreement or any part
thereof to any other person or persons in any way whatsoever, nor to deliver or transfer
the Leased Property or any part thereof to any other person or persons in any way
whatsoever, nor to sublet the Leased Property or any part thereof, nor permit the use of
the Leased Property or any part thereof for any period and in any way whatsoever by any
other person or persons, nor share possession of the Leased Property or any part thereof
with any other person or persons, whether or not such possession is determinate nor
mortgage or charge its rights under this Agreement  wholly or partially.
| | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

|10. | Securities
to be Provided by the Lessee
|--- | ---------------------------------------

| | To
secure all the Lessees obligations under this Agreement, the Lessee, on the signing
of this Agreement, shall deposit with the Lessor an unconditional bank financial
guarantee in favor of the Lessor for a sum equivalent to Rent in consideration for a
period of 9 months plus VAT, and maintenance payments in consideration for a period of 9
months, which shall be valid throughout the Letting Period and for a further period of
one month. The deposit of the bank guarantee is a condition for the validity of this
Agreement.
| | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



---

---