ZyXEL Communications ISG50 User Manual
Chapter 30 Outbound Trunk Group
ISG50 User’s Guide
485
Minimum SE
Enter the minimum session expiry time in seconds. The allowable range is 90~1800
seconds.
seconds.
When an incoming call requests a session expiry time that is lower than this, the ISG50
uses this value instead.
uses this value instead.
Session Expires
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.
allowable range is 90~86400 seconds. This value cannot be lower than the Minimum SE.
This allows the ISG50 to automatically disconnect any phone calls on this trunk after a
certain period of inactivity.
certain period of inactivity.
CallerID Setting
Configure this section to change the format of identification you want to send when you
make VoIP phone calls.
make VoIP phone calls.
The default format is “From: “Extension”<Extension@Server IP>”.
CallerID Viewer
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.
configure in the CallerID Name & Number and The Extension Prefix fields.
CallerID Name &
Number
Number
Select the caller ID display format to use for the SIP trunk’s outgoing calls.
A caller ID consists of a call ID name (A), a caller ID number (B) and a SIP server IP
address (C). The caller ID has the following format: “A”<B@C>.
address (C). The caller ID has the following format: “A”<B@C>.
The choices are:
(In the following examples, we assume a company representative number is 12345678,
their SIP server IP is 10.1.1.1, a caller extension number is 1111 and DDI/DID number
12345555 can map to the extension 1111.)
their SIP server IP is 10.1.1.1, a caller extension number is 1111 and DDI/DID number
12345555 can map to the extension 1111.)
•
Extension + Extension: Displays the caller’s extension number in A and B. For
example, “1111”<1111@10.1.1.1>.
•
Extension + Representative Num.: Displays the caller’s extension number in A and
the SIP trunk’s representative number in B. For example,
“1111”<12345678@10.1.1.1>.
•
Representative Num. + Representative Num.: Displays the SIP trunk’s
representative number in A and B. For example, “12345678”<12345678@10.1.1.1>.
Select this format if you don’t want callees to know the caller’s extension number.
•
Extension + Representative Num (DDI/DID mapped): Displays the caller’s
extension number in A and the SIP trunk’s DDI/DID mapped representative number in
B. For example, “1111”<12345555@10.1.1.1>. If no DDI/DID is matched, displays
the representative number in B.
•
Representative Num (DDI/DID mapped) + Representative Num (DDI/DID
mapped): Displays the SIP trunk’s DDI/DID mapped representative number in both A
and B. For example, “12345555”<12345555@10.1.1.1>. If no DDI/DID is matched,
displays the representative number in A and B.
The Extension
Prefix
Prefix
Specify whether to add a prefix number in the callerID name when you make calls
through this trunk connection. The availability of this setting varies depending on the
format of CallerID Name & Number you selected.
through this trunk connection. The availability of this setting varies depending on the
format of CallerID Name & Number you selected.
This field can be 0-20 alphanumeric characters (A-Z, a-z, 0-9), underscores (_), colons
(:), periods (.), hyphens (-) and pluses (+)
(:), periods (.), hyphens (-) and pluses (+)
Authentication
Username
Type the SIP user name associated with this extension. The IP phone registering with the
ISG50 must provide this for authentication.
ISG50 must provide this for authentication.
This field can be 1-20 alphanumeric characters (A-Z, a-z, 0-9).
Password
Type the SIP password associated with this extension. The IP phone registering with the
ISG50 must provide this for authentication.
ISG50 must provide this for authentication.
This field can be 0-20 alphanumeric characters (A-Z, a-z, 0-9), underscores (_), pluses
(+), periods (.), and “at” symbols (@).
(+), periods (.), and “at” symbols (@).
Table 166
SIP Trunk Add/Edit (continued)
LABEL
DESCRIPTION