[Asterisk-Users] Calls between Asterisk servers using SIP? What about IAX (got it working w/ IAX but I have questions)

[Umair Bari]

Hello Gabriel,

IMHO, using IAX between * servers is a good choice, I dont see any problem
in it. Actually I used it for sometime and never encounter any issue, but i
had max 5 concurrent connections.

regards,

Umair bari

On 3/7/06, Gabriel Afana <asterisk at gafana.com> wrote:
>
> Hi everyone,
>    I just spend the last two hours trying to get two asterisk boxes to
> transfer calls between eachother using SIP.  I dont know why but I *could
> not* get the calls to authenticate!  I think I got everything setup.
>
>    There was Server A and Server B.  I was trying to place a call from a
> users registered on Server A to a user regsitered on Server B.  I setup
> the
> registration info for Server A and even had Server A registering
> successfully to Server B.  However, whenever I would hand off the calls
> from
> server A to Server B, it would *always* say it failed to authenticate
> (passwords did not match).  Here was my setup:
>
> SERVER A:
> register => serga:test at 216.152.244.81
>
> [to_80]
> username=serga
> type=friend
> secret=test
> host=216.152.244.81
> disallow=all
> allow=ulaw
> user=phone
> usereqphone=yes
> canreinvite=yes
> regseconds=0
> cancallforward=yes
> dtmfmode=rfc2833
> disallow=all
> allow=ulaw
> insecure=very
> trunk=yes
>
>
> SERVER B:
> [serga]
> type=friend
> username=serga
> trunk=yes
> notransfer=yes
> secret=test
> context=302
> host=dynamic
> qualify=yes
>
>
>
> DIALPLAN ON SERVER A:
> exten => 302,1,Dial(SIP/to_80/302 at to_80,30,r)
>
> It always says authentication failed.  However I always noticed it showed
> the user as 301 at 216.152.244.70.  This is the extension of the phone I am
> calling from.  It seems it is trying to authenticate the actual phone I am
> calling from on Server A, and not Server A itself.  Was I doing something
> wrong?
>
> I tried doing this with IAX and within 5 minutes I had it all working!!  I
> feel it was too easy :-)   However, this brings up a big
> question.........Is
> IAX very reliable for this?  I've heard from people that I should not use
> IAX under any condition because it really is not very
> reliable/thourough/consistant...etc.  I am trying to start a VOBB company
> and will obviosly need a reliable setup.  I am thinking to have all phones
> register to the servers via SIP and maybe just have all the servers
> transfer
> calls between eachother via IAX.  Does this sound like a correct setup?
>
> - Gabe
>
>
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