What is P-asserted-identity header?

What is P-asserted-identity header?

The P-Asserted-Identity header field is used among trusted SIP entities (typically intermediaries) to carry the identity of the user sending a SIP message as it was verified by authentication.

Where is the P-asserted-identity in SIP?

P-Asserted-Identity is used within the “trusted” realm of a SIP network to allow servers and services to process SIP messages for the known, authenticated user and not an anonymous caller.

What are SIP headers?

A SIP Header is a component of a SIP message that is used to convey information about the SIP message. Including the correct SIP Header and correctly formatting these SIP Headers is critical to ensure that requests are successfully routed to the right recipients.

What are the private headers in IMS?

As part of its RFC 3455 support, the Oracle Communications Unified Session Manager supports the following headers in its IMS implementation:

  • P-Associated-URI.
  • P-Asserted-Identity.
  • P-Called-Party-ID.
  • P-Visited-Network-ID.

What is P Access Network Info?

The P-Access-Network-Info header is a 3GPP-specific header and indicates to the IMS network over which access technology the UE is attached to IMS. In our example the access technology is GPRS. It also includes the Cell Global ID (CGI), which indicates the location of the user.

What is P header in SIP?

P-headers. The Private Header Extensions to SIP, also known as P-Headers, are special header fields whose applicability is limited to private networks with a certain topology and characteristics of lower layers’ protocols.

What is SIP identity?

SIP servers are often employed to provide telephony services. However, there is a problem where Public Switched Telephone Network (PSTN) does not support SIP addresses containing domains and alphanumeric characters. To identify a caller identity for the PSTN, a few methods were created and applied.

Which P header provides ICID value information?

The P-Charging-Vector header containing the parameters icid-value, orig-ioi, and term-ioi is interworked back from the B side to the I-CSCF network in the 183 Session Progress and 200 OK INVITE responses.

Which header will give the identification of a visited network during IMS session?

P-Visited-Network-ID Header
P-Visited-Network-ID Header.

What is P header in IMS?

The P-Profile-Key header field is intended to be used in 3GPP IMS networks. This header field carries the key of a service profile, that is stored in a user database referred to as HSS, between two proxies, which are referred to as I-CSCF and S-CSCF.