I think this is a matter of the phone. It has to decide how to reply to a new call. One can have a phone which supports on-hold, redirect-on-busy, a.s.o. Unlike in legacy PSTN, you can't say that the line is busy over IP.
On 05/04/04 11:30, Richard wrote:
Hi,
In traditional PBX, there is a feature to indicate if another user (more precisely his phone) is being used or not. This would help before transfering a call.
Is there a way to support this in ser?
No.
If record-route is used, ser knows that users are on the phone bewteen ACK and BYE methods.
In an ideal word, what happens if one component (the phone) has a power down? No BYE it sent back to mark the call closed on SER side. Remember that the media doesn't pass usually through SIP proxy.
.Daniel
Is possible somehow tell other phones about the status?
Thanks, Richard
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