We've been looking recently at RFC 3326 (Reason header fields for SIP) primarily to help with logging in some of our UAs. While I know that SER can essentially tack on any header anywhere, I'm wondering if anyone's come up with a solution for handling something like the Call Completed Elsewhere reason tag:
Reason: SIP ;cause=200 ;text="Call completed elsewhere"
Essentially, this would be sent in a CANCEL message to all clients that did NOT pick up the SIP call. Since SER forks off a separate INVITE to any contact in the location table matching the intended recipient, it would be nice to fire off a reason for a cancel to some UAs which would then know not to bother logging a call as 'missed' in the case of another phone picking it up.
I'm sure there's a way to hack this using the current functionality (or if not, a slight modification of current functionality), but if anyone's done it and has a code snippet, that would make life easier.
N.
H * SIP sip@arcdiv.com [071105 19:24]:
We've been looking recently at RFC 3326 (Reason header fields for SIP) primarily to help with logging in some of our UAs. While I know that SER can essentially tack on any header anywhere, I'm wondering if anyone's come up with a solution for handling something like the Call Completed Elsewhere reason tag:
Reason: SIP ;cause=200 ;text="Call completed elsewhere"
Essentially, this would be sent in a CANCEL message to all clients that did NOT pick up the SIP call. Since SER forks off a separate INVITE to any contact in the location table matching the intended recipient, it would be nice to fire off a reason for a cancel to some UAs which would then know not to bother logging a call as 'missed' in the case of another phone picking it up.
I'm sure there's a way to hack this using the current functionality (or if not, a slight modification of current functionality), but if anyone's done it and has a code snippet, that would make life easier.
Never tried this.. but what about trying to do this in branch route? if(method=="cancel"){ append_hf("Reason:;cause=200;Text=howdyHowHow"); }
As said,, never tried this..and I dont even know if this will work, can work etc.. but worth a shoot in the testrig ;)
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