Version 6.6 589 October 2014
Installation & Operation Manual 40. General SIP Configuration
Parameter
Name
Type
Provisioning
Type
Description
Use EndPoint
Number As
Calling Number
IP2Tel
Enum
Enable,Disable
Instant Enables the use of the B-channel number as
the calling party number (sent in the Q.931
Setup message) instead of the number
received in the From header of the INVITE,
for IP-to-Tel calls.
For example, if the incoming INVITE From
header contains "12345" and the destined B-
channel number is 17, then the outgoing
calling party number in the Q.931 Setup
message is set to "17" instead of "12345".
Note: When enabled, this feature is applied
after routing and manipulation on the source
number (i.e., just before sending to the Tel
side).
Progress
Indicator to
ISDN
Enum
Not Set(-1), Local
RB(0), Remote
RB(1), Remote
RB(8)
Instant Defines the value of Progress Indicator (PI)
sent to the ISDN side.
Not Set – the PI in ISDN messages is set
according to the parameter Play
Ringback Tone to Tel.
Local RB – PI is not sent to ISDN.
Remote RB(1), Remote RB (8) – the PI
value is sent to PSTN in
Q.931/Proceeding and Alerting
messages. Typically, the PSTN/PBX cuts
through the audio channel without
playing local Ringback tone, enabling the
originating party to hear remote Call
Progress Tones or network
announcements
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