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Avaya IP Deskphones Software Releases

96x1 Series SIP Software Release 6.4

Release 6.4 was made generally available in June 2014; Service Pack 1 was issued in August 2014. This is not the latest release of SIP software for installation on Avaya 9601, 9608, 9611G, 9621G and 9641G deskphones. The latest release is recommended for new development.

  • SIP 6.4 supports the Push and Web APIs.
  • SIP 6.4 does not support the phonexml push type.

New In This Release

For information about compatibility with Avaya Aura, and feature limitations based on Avaya Aura component releases, see the Readme document available under the Downloads - Release Information tab.

New features in SIP 6.4 include:

  • Enhanced SIP Team button.
  • New “Limit Number of Concurrent Calls” feature.
  • Calls that are not presented to the IP Deskphone because it is busy now appear in the Call Log in the “Missed” category.
  • Support for 21 digit contact numbers.
  • Expanded template support for SIP endpoints.
  • Presence enhancements.
  • New "Complete Pending Transfer on Hang-up" feature allows a transfer to be completed by disconnecting the call.
  • New bi-directional Electronic Hook Switch signaling option.
  • Support for the new 9611G “Global” IP despkphone model.
  • New "TLS/TCP Connection Reuse" feature allows TLS connections between Avaya Aura® Session Manager and the IP Deskphone to use the same socket for both directions.
  • New "Media Quality Indicator" feature provides a visual indicator of voice quality on a call.

For detailed information about what's new in the release, see the Readme document, available under the Downloads - Release Information tab.

Software Development Kits

Developer Documentation