Version 6.2 715 February 2011
SIP User's Manual 12. Configuration Parameters Reference
Parameter Description
For a list of SIP responses-Q.931 release cause mapping, see
''Release Reason Mapping'' on page 638.
[IgnoreAlertAfterEarlyMe
dia]
Determines the device's interworking of Alerting messages from PRI to
SIP.
[0] = Disabled (default).
[1] = Enabled.
When enabled, if the device sends a 183 response with an SDP
included and an Alerting message is then received from the Tel side
(with or without Progress Indicator), the device does not send an
additional 18x response and the voice channel remains open.
When disabled, the device sends additional 18x responses as a result
of receiving an Alerting message whether or not a 18x response was
already sent.
Web: Enable Microsoft
Extension
[EnableMicrosofExt]
Modifies the called number for numbers received with Microsoft's
proprietary "ext=xxx" parameter in the SIP INVITE URI user part.
Microsoft Office Communications Server sometimes uses this
proprietary parameter to indicate the extension number of the called
party.
[0] Disable (default).
[1] Enable.
For example, if a calling party makes a call to telephone number
622125519100 Ext. 104, the device receives the SIP INVITE (from
Microsoft's application) with the URI user part as INVITE
sip:622125519100;ext=104@10.1.1.10 (or INVITE
tel:622125519100;ext=104). If the parameter EnableMicrosofExt is
enabled, the device modifies the called number by adding an "e" as the
prefix, removing the "ext=" parameter, and adding the extension number
as the suffix (e.g., e622125519100104). Once modified, the device can
then manipulate the number further, using the Number Manipulation
tables (see ''Number Manipulation and Routing Parameters'' on page
836) to leave
only the last 3 digits (for example) for sending to a PBX.
EMS: Use SIP URI For
Diversion Header
[UseSIPURIForDiversion
Header]
Defines the URI format in the SIP Diversion header.
[0] = 'tel:' (default)
[1] = 'sip:'
[TimeoutBetween100And
18x]
Defines the timeout (in msec) between receiving a 100 Trying response
and a subsequent 18x response. If a 18x response is not received
before this timer expires, the call is disconnected.
The valid range is 0 to 32,000. The default value is 0 (i.e., no timeout).
[EnableImmediateTrying]
Determines if and when the device sends a 100 Trying in response to
an incoming INVITE request.
[0] = 100 Trying response is sent upon receipt of a Proceeding
message from the PSTN.
[1] = 100 Trying response is sent immediately upon receipt of
INVITE request (default).
[TransparentCoderPrese
ntation]
Determines the format of the Transparent coder representation in the
SDP.
[0] = clearmode (default)
[1] = X-CCD
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