Aastra Telecom CT9143i - Manual (Page 61)

New Features in Release 2.3
RN-001029-02, Release 2.3, Rev 00 57
SIP IP Phone Models 9143i, 9480i, 9480i CT and 5i Series Phones Release Note 2.3
P-Asserted-Identity (PAI) Support in UPDATE message
In previous releases, the IP Phones supported P-Asserted-Identity (PAI). In Release 2.3, the
phones now support PAI header in the UPDATE message, according to
draft-ietf-sipping-update-pai-00. This feature is always enabled.
If an UPDATE is received with a PAI header from a trusted source, the phone updates the display
with this information. The phone ignores any PAI received from untrusted entities.
DTMF Tones in Info Requests
In Release 2.3, the phones now support decoding and playing out DTMF tones sent in SIP INFO
requests. The following is now supported:
• Support signals 0-9, #, *
• Support durations up to 5 seconds
SIP Features