[Serusers] Anyone doing something to handle RFC3326?

[Atle Samuelsen]

H
* SIP <sip at 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 ;)



- Atle> 
> 
> N.
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