[Users] missing contact header

[samuel]

When you've got an * in the Contact header and an Expires of 0 it
means that the registrar server has to delete all contacts for the AoR
present in the To:

I guess you would have to identify whether the incoming REGISTER is
provinding a binding (Expires>0) or removing it (Expires=0) to act
appropriately.

The use of * is "perfectly" defined in RFC 3261.

Remember that the expiration interval can either be in a single
Expires header or as a header parameter in the Contact header.....

Samuel.

2006/9/13, Fatih Cerit <fatih at intersan.com.tr>:
>
>
> Hi
> I want to overwrite the contact header field using textops but some UAs send
> only an asterisk as a contact (like below). Is this defined in protocol (I
> didn't find) ? I don't decide what to do . Do I reply with an error or use
> another field (from,to) as contact
>
> thanks
>
>
> REGISTER sip:sip.anywhere.com SIP/2.0
> Via: SIP/2.0/UDP 10.0.0.49;branch=z9hG4bK8eaa0451724f9bf4
> From: "test"
> <sip:11223344 at sip.anywhere.com;user=phone>;tag=9969d7f94927b840
> To: <sip:11223344 at sip.anywhere.com;user=phone>
> Contact: *
> Call-ID: 0c55cf4a80b02370 at 10.0.0.9
> CSeq: 100 REGISTER
> Expires: 0
> User-Agent: Grandstream HT286 1.0.5.11
> Max-Forwards: 70
> Allow:
> INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE
> Content-Length: 0
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