Subject: [Sipping] Calling Party's Category

From: "Anton Tveretin" <[email-masked]>
Date: Fri, 11 Apr 2008 23:21:03 +0600

Hello All,

I wonder what is the purpose of any similar header in SIP. For ISUP, it
seems to
discriminate automatic calls, semi-automatic (or manual) calls, and test
calls. Exchanges may treat them differently: connect test calls into loops
by themselves, present semi-automatic calls to an operator.
For SIP, this function seems irrelevant, as test calls are equivalent to
ping, and there is no semi-automatic service.
This will be a good starting point for further discussion.

Best regards,
Anton

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