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Wednesday, March 16, 2016

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What is CANCEL Request Core Method in SIP?

Leke Oyetoke - Wednesday, March 16, 2016

What is CANCEL Request Core Method?

CANCEL is used to end an unestablished session. User agents use this request to stop a pending call attempt started earlier.

1. CANCEL can be sent either by a client or a proxy server.

2. CANCEL is a hop by hop request that is it goes through the elements amid the user agent and receives the response yielded by the next stateful element.


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