Table of Contents
Advertisement
3.
Enter a regular expression into the Send call to extension setting, telling the
system to replace the 10-digit DID with the alias number that is associated with
the extension account.
Outbound Calls
Caller-ID
The caller-ID is shown in the called party's telephone display and is also used by the
carrier for billing purposes. This is typically the
the system sends a call to a trunk, it presents the source of the call, usually the caller-ID
of the calling extension. However, in cases of redirected calls, it can get more compli-
cated. Here, the original caller-ID should be in the display of the called party, while for
billing purposes, a local identity on the system must be used.
Also, in many cases, it is necessary to translate a local number (e.g.,
localhost
) into a global telephone number (e.g.,
com;user=phone
should be ignored when presenting this number. This number is also known as the ANI
(automatic number identification).
). The
user=phone
Chapter 4: Trunks
From
field of the SIP packet. When
sip:9781234567@itsp.
parameter indicates that the domain name
127
sip:123@
Advertisement
Table of Contents
