User's Manual 514 Document #: LTRT-27045
Mediant 1000B Gateway & E-SBC
Number Information Element (IE) in the ISDN Setup message sent to the Tel side.
This also includes the reason for the call redirection.
Redirect Number Tel to IP table: Defines Tel-to-IP redirect number manipulation. You
can manipulate the prefix of the redirect number received from the Tel side, in the
outgoing SIP Diversion, Resource-Priority, or History-Info headers sent to the IP side.
Configuration of redirect number manipulation rules includes two areas:
Match: Defines the matching characteristics of an incoming call (e.g., prefix of redirect
number).
Action: Defines the action that is done if the incoming call matches the characteristics
of the rule (e.g., removes a user-defined number of digits from the left of the redirect
number).
The device searches the table from top to bottom for the first rule that matches the
characteristics of the incoming call. If it finds a matching rule, it applies the manipulation
configured for that rule.
Note:
• If the device copies the received destination number to the outgoing SIP redirect
number (enabled by the CopyDest2RedirectNumber parameter), no redirect
number Tel-to-IP manipulation is done.
• The manipulation rules are done in the following order: 'Stripped Digits From Left',
'Stripped Digits From Right', 'Number of Digits to Leave', 'Prefix to Add', and then
'Suffix to Add'.
• The device uses the 'Redirect Prefix' parameter before it manipulates the prefix.
The following procedure describes how to configure redirect number manipulation rules
through the Web interface. You can also configure these rules using the following
management tools:
Redirect Number IP to Tel table: ini file (RedirectNumberMapIp2Tel) or CLI (configure
voip > gateway manipulation redirect-number-map-ip2tel)
Redirect Number Tel to IP table: ini file (RedirectNumberMapTel2Ip) or CLI (configure
voip > gateway manipulation redirect-number-map-tel2ip)
To configure a redirect number manipulation rule:
1. Open the required redirect number manipulation table (Setup menu > Signaling &
Media tab > Gateway folder > Manipulation > Redirect Number Tel > IP or Redirect
Number IP > Tel).
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