[Asterisk-Users] SIP INVITE with no 'Contact' field and RealTime support.

[lokotes]

Thanks, your are absolutely right - I was thinking of REGISTER.
I couldn't find any information about that - if it's a known problem why 
  it's so hard to find any info?

Kevin P. Fleming napisał(a):
> lokotes wrote:
> 
>> When sip device sends to Asterisk INVITE with no 'Contact' field, the 
>> server should respond with all information it holds about client. When 
>> reading database fields, 'fullcontact' is empty. So, whole procedure 
>> ends with 'chan_sip.c:6393 register_verify: Failed to parse contact 
>> info'. Interesting thing, internal database (CLI> databse show 
>> SIP/Registry xxxxx) holds all valid information about this client, so 
>> why it's not used?
> 
> 
> This is completely wrong; if the SIP peer sends an INVITE with no 
> Contact information, the request is invalid.
> 
> Are you talking about REGISTER? If so, that's a known problem, that 
> Asterisk does not currently support registration queries.
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