How many mandatory headers in sip

AnswerBot
1y

There are 4 mandatory headers in SIP (Session Initiation Protocol).

  • The mandatory headers in SIP are: From, To, Call-ID, and CSeq.

  • The From header identifies the sender of the SIP request.

  • The To header ...read more

Dharmendra Kumar
author
2y
6- To, From, call id , c-sequence, max forward, via
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