Aastra has just announced a matenance software release for the 67xi series (except 6739i) and the 9143i, 9480i, 9480i Phones.
The 2.5.3 firmware offers improved functionality and some fixes which include:
- Ability to specify the method to match certain fields on a SIP contact header
- Full support for G.729 Annex A and Annex B Codec
- Fixes to RTCP-XR and LLDP-MED functionality
- Improvements to SRTP/TLS features
- XML fixes
- Other fixes to software bugs reported from the field
All features and fixes can be found in the 2.5.3 Release Notes on Aastra’s website. Click here to check out our selection of Aastra VoIP Phones
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