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

[Kevin P. Fleming]

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.