[Asterisk-Dev] Changes to SIP

[alex at pilosoft.com]

> I'm not sure how many people are using the SIP stuff but I have noticed
> that a few changes need to be made for asterisk to correctly work with a
> service provider running Cisco proxy. I am not very familiar with SIP
> and basically would like comments on these points before attempting to
> make modifications. I do not wish to break it for anything else:
already possible:
register = 18007107031:xxxx at sipauth.deltathree.com/777718007107031

Rest of your mail are valid concerns. SIP stack needs a lot of work. ;)