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Table 95 Configure a SIP Trunk (continued)
LABEL
Specific
Support
Proxy Require
Channel-limit
Session Timer
Enable Session
Timer
Minimum SE
Session Expires
CallerID Setting Configure this section to change the format of identification you want to
CallerID Viewer
X2002 User's Guide
DESCRIPTION
Select None if you do not need any of the following options:
Select Nortel (MCS 5100/5200) to support the specified Nortel SIP
server.
Select Huawei to support Huawei SIP servers.
Select Siemens early media support to turn on support for Seimens
early media.
Enter this (0~127 alphanumeric characters) to inform the SIP server
that this device is behind a firewall or NAT device. Fill this field in only if
you were given information by your SIP service provider.
Specify the maximum number of SIP calls (1~128) allowed to be made
through this trunk connection at one time.
Select this activate the X2002's session timer. If you encounter
connectivity issues with your network or Internet, then it is suggested
that you use the session timer.
Enter the minimum session expiry time in seconds. The allowable range
is 90~1800 seconds.
When an incoming call requests a session expiry time that is lower than
this, the X2002 uses this value instead.
Enter the session expiry time in seconds for all phone connections on
this trunk The allowable range is 90~86400 seconds. This value cannot
be lower than the Minimum SE.
This allows the X2002 to automatically disconnect any phone calls on
this trunk after a certain period of inactivity.
send when you make VoIP phone calls.
The default format is "From: "Extension"<Extension@Server IP>".
This field displays the caller ID format shown to the callees depending
on the setting you configure in the CallerID Name & Number and
The Extension Prefix fields.
Chapter 18 Outbound Line Group
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