If you're concerned about a SIP phone being unplugged with a call up, you
can send periodic INVITEs for the current call leg and check for responses.
Also, you could also check for ICMP destination/port unreachable messages
for signaling and media.
Barry Desborough
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: 22 May 2001 09:50
To: [EMAIL PROTECTED]
Subject: [Sip-implementors] plug/unplug SIP phone ??
Sir,
Which are the means in SIP helping to know if a SIP phone is plugged or
unplugged ?
Is there also some "keep alive" facilies ?
TIA for your pointers,
Patrick
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