[asterisk-dev] bug or feature (use From: instead of Digest username to match INVITE) ?

[Eric "ManxPower" Wieling]

Tzafrir Cohen wrote:
> On Mon, Oct 16, 2006 at 06:43:53AM -0500, Rich Adamson wrote:
> 
>>> What I'm worried about is trying to fix it in the current code, since it 
>>> will change quite a few things that are needed today,
>>> and break backwards compatibility. I've tried, but failed, in chan_sip2 
>>> :-) and that was when I was beginning to start thinking
>>> of chan_sip3, that will break backwards compatibility :-)
>> But, didn't we run across that same compatibiliity issue with iax and 
>> iax2, letting both peacefully exist until some predetermined date when 
>> iax was remove?
>>
>> Wouldn't the same approach work with sip3?
> 
> IAX2 was technically a different protocol. That is: it used a different
> port number. However "chan_sip1" and chan_sip3 are both implementations
> of the same protocol, and expected to listen on the same port 5060.
> 
> So you could run both on the same system, if one is bound to a different
> port. But if a remote system calls in and asks to connect through SIP,
> you have to choose, as it will typically just expect it on the well
> known SIP port.

Sounds more like Voicemail and Voicemail2 situation.