Aastra Telecom CT9143i manual SIP Features, Accept out of order requests parameter to ignore

IP Phone Release Notes 2.3

New Features in Release 2.3

Feature	Description
Dialpad Speeddial Supported on All Phones	Previously, only the 51i IP Phone supported the dialpad
(For Administrator & User)	speeddial feature. In Release 2.3, all the phones now
	support this feature. Using the IP Phone UI or the Aastra
	Web UI, an Administrator or User can create speeddial
	keys on the dialpad.
UTF- 8 Codec for Multi-National Language	The IP Phones, expansion modules, and cordless
Support	handsets previously supported ISO 8859-1 (Latin1)
(Applies to Administrator & User UIs)	language. The IP Phones and expansion modules now
	include support for ISO 8859-2 (Latin2) of multi-national
	languages when displaying and inputting in the IP Phone
	UI and the Aastra Web UI.
	Note: UTF-8 is not applicable to the Handsets for CT
	models.
Addition of New Timezone and Country	Five new timezone and country codes have been added
Codes	to the 2.3 Release.
(Administrator & User)
SIP Features
P-Asserted-Identity (PAI) Support in UPDATE	In Release 2.3, the phones now support PAI header in
message	the UPDATE message, according to
(For Administrator)	draft-ietf-sipping-update-pai-00.
DTMF Tones in Info Requests	In Release 2.3, the phones now support decoding and
(For Administrator)	playing out DTMF tones sent in SIP INFO requests.
Ignore Out of Sequence Errors	In Release 2.3, you can configure the phone via the “sip
(For Administrator)	accept out of order requests” parameter to ignore
	CSeq number errors on all SIP dialogs on the phone.
SIP BLA Expires Timer	Release 2.3 now includes a SIP BLA subscription
(For Administrator)	period parameter that allows an Administrator to set the
	BLA expiration timer for how long the phone waits to
	receive a BLA subscribe message from the server.
Troubleshooting Features
WatchDog Task Feature	Release 2.3 provides a troubleshooting feature called
(For Administrator)	the “WatchDog” task that monitors the status of the
	phones and provides the ability to get stack traces from
	the last time the phone failed. When the phone detects a
	failure (i.e., a crash), it automatically reboots.

The following paragraphs describe these features in more detail.

6 RN-001029-02, Release 2.3, Rev 00