[SIPForum-discussion] SIP to SS7 Calling Number Information

[Dale R. Worley]

Zuñiga, Guillermo <Guillermo.Zuniga at cwpanama.com> writes:
> I would like to know where I can find information where is defined how
> a C4 define the Calling Number Address information in a IAM, based on
> the information come in a INVITE,

> What use a C4 when the INVITE have a FROM and a RPid Remote Party Id.,

What is a C4?

Dale