Monday, September 26, 2011

Certified SIP Trunk between MX-ONE and Lync

MX-ONE 4.1 Service Pack 3 is now listed on the Lync OIP page.
In August TekVizion Labs completed the certification testing for MX-ONE with Lync.

A comprehensive set of tests were executed in this independent laboratory in order to validate the interoperability between the systems. The test results concluded that the MX-ONE 4.1 sp 3 direct SIP implementation successfully passed the certification requirements according to Microsoft specifications.

The MX-ONE direct SIP integration with Lync supports the following scenarios:
  • Basic Call services between MX-ONE and Lync end-points over SIP trunks
  • Media Bypass (a.k.a. Direct media between MX-ONE and Lync clients)
  • Conference
  • Failover (to secondary Lync gateways)
  • Security (support for TLS/SRTP encryption)

Remote Call Control certification has not been completed as this requires some further development in MX-ONE. Even though not certifiable in the Lync certification program this feature might become available and supported by Aastra in a coming MX-ONE release.


  1. SIP trunk could be used to work with Voice over IP solution in business establishments. This is a solution that utilizes existing wired PBX models for communications for linking traditional telephone networks to external environment through the net.

  2. ...and for promoting your own trunk, hope you will get some customers :-)

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