[asterisk-dev] SIP compliance question

[Johansson Olle E]

17 okt 2006 kl. 13.25 skrev Roy Sigurd Karlsbakk:

>> trying to connect asterisk to a Swyx (dot com) server, I cannot  
>> send the call through to the swyx, always getting a 404. The swyx  
>> people tell me:
>>
>>> These call is rejected on swyxware side, because the provider  
>>> uses a non
>>> rfc compatible kind of addressing in the sip invite packet:
>>> ~INVITE sip:+4721973540 at 80.239.107.95:
>>> using an ip-adresse instead of a realm is not allowed by RFC.
>>
>> Is this so? If so, how can I fix this?
>
> After ra few emails forth and back to/from swyx, they say this
>
>> yes - using the IP address in a sip URI is possible, but your  
>> Provider [asterisk]
>> uses the IP Adress of the SwyxServer in the uri ~INVITE
>> sip:+4721973541 at 80.239.107.95:65002 SIP/2.0
>>
>> thats the wrong part - he must use a) his realm or b) his public IP
>> address.
>
> thanks for any help

btw, this is not the realm, they mean SIP domain. "Realm" is only  
used in
authentication. Please ask them to read the RFC :-)

The Swyx server seems to me to have some strange things in their  
implementation.

/O