
Version 5.6 103 November 2008
SIP User's Manual 3. Web-Based Management
Parameter Description
Note that to send a 183 response, you must also set the parameter
ProgressIndicator2IP to 1. If it is equal to 0, 180 Ringing response is
sent.
183 Message Behavior
[SIP183Behaviour]
Defines the response of the device upon receipt of a SIP 183 response.
[0] Progress = A 183 response (without SDP) does not cause the
device to play a ringback tone (default).
[1] Alert = 183 response is handled by the device as if a 180 Ringing
response is received, and the device plays a ringback tone.
Session-Expires Time
[SIPSessionExpires]
Determines the numerical value that is sent in the Session-Expires
header in the first INVITE request or response (if the call is answered).
The valid range is 1 to 86,400 sec. The default is 0 (i.e., the Session-
Expires header is disabled).
Minimum Session-Expires
[MinSE]
Defines the time (in seconds) that is used in the Min-SE header. This
header defines the minimum time that the user agent refreshes the
session.
The valid range is 10 to 100,000. The default value is 90.
Session Expires Method
[SessionExpiresMethod]
Determines the SIP method used for session-timer updates.
[0] Re-INVITE = Uses Re-INVITE messages for session-timer
updates (default).
[1] UPDATE = Uses UPDATE messages.
Notes:
The device can receive session-timer refreshes using both methods.
The UPDATE message used for session-timer is excluded from the
SDP body.
Asserted Identity Mode
[AssertedIdMode]
Determines whether P-Asserted-Identity or P-Preferred-Identity is used
in the generated INVITE request for Caller ID (or privacy).
[0] Disabled = None (default)
[1] Adding PAsserted Identity
[2] Adding PPreferred Identity
The Asserted ID mode defines the header (P-Asserted-Identity or P-
Preferred-Identity) that is used in the generated INVITE request. The
header also depends on the calling Privacy (allowed or restricted).
The P-Asserted-Identity (or P-Preferred-Identity) headers are used to
present the originating party's Caller ID. The Caller ID is composed of a
Calling Number and (optionally) a Calling Name.
P-Asserted-Identity (or P-Preferred-Identity) headers are used together
with the Privacy header. If Caller ID is restricted (P-Asserted-Identity is
not sent), the Privacy header includes the value 'id' ('Privacy: id').
Otherwise, for allowed Caller ID, 'Privacy: none' is used. If Caller ID is
restricted (received from Tel or configured in the device), the From
header is set to <anonymous@anonymous.invalid>.
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