Version 5.8 329 October 2009
SIP User's Manual 6. Configuration Parameters Reference
Parameter Description
EMS: P Asserted User Name
[PAssertedUserName]
Defines a 'representative number' (up to 50 characters) that
is used as the User Part of the Request-URI in the P-
Asserted-Identity header of an outgoing INVITE (for Tel-to-IP
calls).
The default value is NULL.
EMS: Use URL In Refer To Header
[UseAORInReferToHeader]
Defines the source for the SIP URI set in the Refer-To
header of outgoing REFER messages.
[0] = Use SIP URI from Contact header of the initial call
(default).
[1] = Use SIP URI from To/From header of the initial call.
EMS: Use To Header As Called Num
[IsUseToHeaderAsCalledNumber]
Determines whether the called number is set in the user part
of the To header.
[0] = Sets the destination number to the user part of the
Request-URI for IP-to-Tel calls, and sets the Contact
header to the source number for Tel-to-IP calls (default).
[1] = Sets the destination number to the user part of the
To header for IP-to-Tel calls, and sets the Contact header
to the username parameter for Tel-to-IP calls.
Web: Enable User-Information Usage
[EnableUserInfoUsage]
Enables or disables usage of the User Information loaded to
the device in the User Information auxiliary file. (For a
description on User Information, refer to ''Loading Auxiliary
Files'' on page 238.)
[0] Disable = Disabled (default).
[1] Enable = Enabled.
[HandleReasonHeader]
Determines whether the device uses the value of the
incoming SIP Reason header for Release Reason mapping.
[0] Disregard Reason header in incoming SIP messages.
[1] Use the Reason header value for Release Reason
mapping (default).
[EnableSilenceSuppInSDP]
Determines the device's behavior upon receipt of SIP Re-
INVITE messages that include the ‘silencesupp:off’ attribute.
[0] = Disregard the ‘silecesupp’ attribute (default).
[1] = Handle incoming Re-INVITE messages that include
the ‘silencesupp:off’ attribute in the SDP as a request to
switch to the Voice-Band-Data (VBD) mode. In addition,
the device includes “a=silencesupp:off” in its SDP offer.
Note: This parameter is applicable only if the G.711 coder is
used.