[SIPForum-discussion] SIP phone's Off hook notification to Server

[sharad]

Hi

Sorry for asking the stupid question & thanks to all of you in advance.

When a SIP phone picks up his handset & dials nothing, can SIP proxy know this event that the IP phone is in busy state w/o offering a call to the phone. Means when phone does off-hook, can SIP phone send some SIP message to Proxy. Is there any standard SIP messages for this ?

If yes, plz let me knoe what are the SIP messages & what is the flow of that.

Thanks & Regards
Sharad
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