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Wednesday, March 16, 2016

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What is Unsupported Header Field in SIP?

Leke Oyetoke - Wednesday, March 16, 2016

What is Unsupported Header Field in SIP?

Unsupported header field is used to point out characteristics that are not supported by the server.

The header field is used in a 420 Bad Extension response to a request having an unsupported characteristic listed in a Require header field.


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