0x2926 NPDI SIP From Port

In a Request for Service message and PPL Event Indication, this TLV provides information parsed from the "From" header field of the incoming SIP message (for example INVITE or REGISTER). This TLV could be used in a Route Control message to specify the local User Agent’s addressing information, which would be used to create the "From" header for the outgoing SIP message.

This TLV provides the port from the "From" URL.

Used in:
0x0033 NPDI Universal ICB in:
Route Control message
Request for Service with Data message

Byte

Description

0, 1

Tag 0x2926

2, 3

Length 0x0004

4-7

Value Variable

If this TLV is not present, the configured local port is used in outbound calls (Route Control message) and port 5060 is used for incoming calls for registration (Request for Service and PPL Indication.