----

| St.      George Bank LimitedABN      92 055 513 070Level      965      Berry StreetNORTH      SYDNEY NSW 2060 Phone                02      8923 2743Facsimile           02      8923 2746e-mail                 fairjonesr@stgeorge.com.au |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 21      November 2008                                                                                                                                                                                                                                                                                                                                              |
|--------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |  The      SecretaryAMT      Australia Holdings Pty LimitedLevel      1204-218      Botany RoadALEXANDRIA  NSW  2015                                                                                                                                                                                                                  |
|   | Attention:  Dilip      Shrestha                                                                                                                                                                                                                                                                                                                          |
|   |  Dear      Dilip                                                                                                                                                                                                                                                                                                                                              |
|   |                                                                                                                                                                                                                                                                                                                                                               |
|   |  Re      : Facilities Amendments                                                                                                                                                                                                                                                                                                                              |
|   |  We      refer to the Facility offer from us to you dated 22 October 2008 and      accepted by you on 06 November 2008 (“facility agreement”). We      also refer to our recent discussions relating to the Commercial Overdraft      and the Commercial Bill Acceptance/Discount Facility. We are pleased to      offer you the following:  |
|   | -      Details of the amendment are set outbelow.                                                                                                                                                                                                                                                                                                                  |

| Facilities | • Commercial      Overdraft                |   | $ | 500,000   |   |
|------------|--------------------------------------------------|--------|---|-----------|--------|
|       | •      Commercial Bill Acceptance/Discount |   | $ | 1,900,000 |   |

| Total      Facility Limits | Total      of all Limits (excluding sub-limits) is: |   | $ | 2,400,000 |   |
|----------------------------|-----------------------------------------------------|--------|---|-----------|--------|

| Security    Amendment | Release      Whygo Video Conferencing Pty Limited from providing the following      security:•      Limited Cross Guarantee for $2,400,000•      Fixed & Floating |
|-----------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | All      other terms of the facility agreement (including the Standard Terms)      continue to apply. |
|--------|-------------------------------------------------------------------------------------------------------|

----

| Meaning of    words | The      meaning of the words printed in italics and of some      other common key words is explained at the end of the Standard      Terms. |
|---------------------|----------------------------------------------------------------------------------------------------------------------------------------------|

| Fees | You must pay us the following      fees: |
|------|------------------------------------------|

|   | Legal      Fees and other costs for preparing the security documents and this      agreement and reviewing documents presented to us under this agreement -      payable once this letter is returned to thebank |
|--------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| How to accept | You      may accept this offer by signing the enclosed copy and returning it within      one month of the date of thisletter. |
|---------------|-------------------------------------------------------------------------------------------------------------------------------|

|   | If you do not, our offer is      automatically withdrawn. |
|--------|-----------------------------------------------------------|

|   | Yours  sincerely |
|--------|------------------|

|   | Ross      FairjonesRelationship      Manager |
|--------|----------------------------------------------|

----

|   | 1. | accept      the facilities on the terms set out in this facility offer and the General      Standard Terms |
|--------|----|------------------------------------------------------------------------------------------------------------|

|   | 2. | acknowledge      that: |
|--------|----|------------------------|

|   | (a) | a      legally binding contract is created between you and  us |
|--------|-----|----------------------------------------------------------------|

|   | (b) | you      have made your own independent judgment and decision to enter this      facility agreement and are not relying on any information given or      representations made by us to you |
|--------|-----|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 3. | make      the declarations in the General StandardTerms. |
|--------|----|----------------------------------------------------------|

| EXECUTED by AMI AUSTRALIA      PTYLIMITED (ABN 56 095 238      645 ) inaccordance      with section 127(1) of theCorporations      Act 2001 (Cwlth) by authority ofits      directors:                                                                                                                                                                                                                                                                                                                                                                                                      | )))))       |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                                                                           Signature      of Director      | )))      )) |                                                                                                    Signature of      director/company secretary*  *delete whichever is not      applicable |
|                                                                                          Name      of director (block letters) | ))))        |                                                                                                   Name      of director/company secretary*(block      letters)                                            |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        | )           | *delete      whichever is not applicable                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        | )           |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| Dated:                                                                                                                                                                                          | )           | Dated:                                                                                                                                                                                                                                                                          |

----

| EXECUTED by AMI      INTERNATIONALPTY LIMITED (ABN 14 120      970 461) inaccordance      with section 127(1) of theCorporations      Act 2001 (Cwlth) by authority ofits      directors:                                                                                                                                                                                                                                                                                                                                                                                                         | )))))       |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                                                                            Signature      of Director      | )))      )) |                                                                                                    Signature of      director/company secretary*  *delete      whichever is not applicable |
|                                                                                                Name      of director (block letters) | ))))        |                                                                                                 Name      of director/company secretary*(block      letters)                                                        |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              | )           | *delete      whichever is not applicable                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              | )           |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| Dated:                                                                                                                                                                                           | )           | Dated:                                                                                                                                                                                                                                                                          |

| EXECUTED by AMI      MANAGEMENTPTY LIMITED (ABN 56 116      456 136) inaccordance      with section 127(1) of theCorporations      Act 2001 (Cwlth) by authority ofits      directors:                                                                                                                                                                                                                                                                                                                                                                                                            | )))))       |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                                                                            Signature      of Director      | )))      )) |                                                                                                   Signature of      director/company secretary*  *delete      whichever is not applicable |
|                                                                                           Name      of director (block letters) | ))))        |                                                                                                       Name      of director/company secretary*(block      letters)                                            |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              | )           | *delete      whichever is not applicable                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              | )           |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| Dated:                                                                                                                                                                                           | )           | Dated:                                                                                                                                                                                                                                                                    |

----

| EXECUTED by PE PATENT      HOLDCOPTY LIMITED (ABN 65 116      786 737) inaccordance      with section 127(1) of theCorporations      Act 2001 (Cwlth) by authority ofits      directors:                                                                                                                                                                                                                                                                                                                                                                                                          | )))))       |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                                                                            Signature      of Director      | )))      )) |                                                                                                    Signature of      director/company secretary*  *delete      whichever is not applicable |
|                                                                                           Name      of director (block letters) | ))))        |                                                                                                 Name      of director/company secretary*(block      letters)                                                        |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              | )           | *delete      whichever is not applicable                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              | )           |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| Dated:                                                                                                                                                                                           | )           | Dated:                                                                                                                                                                                                                                                                          |

| EXECUTED by ADVANCED MEDICAL      INSTITUTEPTY LIMITED (ABN 21 117      372 915) inaccordance      with section 127(1) of theCorporations      Act 2001 (Cwlth) by authority ofits      directors:                                                                                                                                                                                                                                                                                                                                                                                                | )))))       |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                                                                            Signature      of Director      | )))      )) |                                                                                                   Signature of      director/company secretary*  *delete      whichever is not applicable |
|                                                                                           Name      of director (block letters) | ))))        |                                                                                                 Name      of director/company secretary*(block      letters)                                                  |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              | )           | *delete      whichever is not applicable                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              | )           |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| Dated:                                                                                                                                                                                           | )           | Dated:                                                                                                                                                                                                                                                                    |

----

| EXECUTED by INTELLIGENTMEDICAL TECHNOLOGIES      PTYLIMITED (ABN 30 107 047      496) inaccordance      with section 127(1) of theCorporations      Act 2001 (Cwlth) by authority ofits      directors:                                                                                                                                                                                                                                                                                                                                                                                           | ))))))      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                                                                            Signature      of Director      | )))      )) |                                                                                                    Signature of      director/company secretary*  *delete      whichever is not applicable |
|                                                                                           Name      of director (block letters) | ))))        |                                                                                                  Name      of director/company secretary*(block      letters)                                                  |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              | )           | *delete      whichever is not applicable                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              | )           |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| Dated:                                                                                                                                                                                      | )           | Dated:                                                                                                                                                                                                                                                                          |

| EXECUTED by WORLDWIDEPEPATENT PTY LIMITED (ABN      16 117 157427)      in accordance with section 127(1) of theCorporations      Act 2001 (Cwlth) by authority ofits      directors:                                                                                                                                                                                                                                                                                                                                                                                                             | )))))       |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                                                                            Signature      of Director      | )))      )) |                                                                                                    Signature of      director/company secretary*  *delete      whichever is not applicable |
|                                                                                           Name      of director (block letters) | ))))        |                                                                                                  Name      of director/company secretary*(block      letters)                                                  |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              | )           | *delete      whichever is not applicable                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              | )           |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| Dated:                                                                                                                                                                                           | )           | Dated:                                                                                                                                                                                                                                                                          |

----