Headers

Last Updated : Jun 23, 2023 |
Prolog information
  • Accept
  • Alert-Info
  • Allow
  • Allow-Event
  • Authorization
  • Call-ID
  • Contact
  • Content-Length
  • Content-Type
  • CSeq
  • Diversion
  • From
  • History-Info
  • Max-Forwards
  • P-Asserted-Identity
  • P-Early-Media
  • P-Preferred-Identity
  • Privacy
  • Proxy-Authenticate
  • Proxy-Authorization
  • Proxy-Require
  • Require
  • Remote-Party-ID
  • Server
  • Session-Timers
  • Supported
  • To
  • User-Agent
  • Via
  • WWW-Authenticate

Additional Information

  • The IP Office supports Call-ID headers of up to 256 characters.
  • For IP Office R11.1 FP2 SP3 and higher, the maximum length of the tag element in From and To headers has increased to 150 characters (previously 80 characters).