[Asterisk-Users] SIP routing over IAX2

2006-03-16 Thread Bart J. Smit
Hi All,

I have two Asterisks, one on the LAN that handles the internal calls
with a PSTN interface and one on the DMZ with a public interface. I
would like to route SIP calls from the internal users to the Internet
over IAX2 to the DMZ and onwards.

All users have soft phones so they would enter sip:[EMAIL PROTECTED]
to get a connection. I would like to avoid having number prefixes to
dial external SIP phones.

Can Asterisk do this? I am relatively new to Asterisk. I guess I'm after
something like an email smarthost feature for SIP.

I have googled and checked some of the getting started pages but all
dial plans deal with number prefixes to route calls. I want to route
calls starting with 'sip:' as a prefix.

Thanks,

Bart...
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Re: [Asterisk-Users] SIP routing over IAX2

2006-03-16 Thread Alejandro Vargas
2006/3/16, Bart J. Smit [EMAIL PROTECTED]:
 Can Asterisk do this? I am relatively new to Asterisk. I guess I'm after
 something like an email smarthost feature for SIP.

Yes, Asterisk can do protocol conversion as well as codec conversion.
Just configure phones and asterisk to connect correctly (i.e. echo
test working) and make sure the audio codecs you are using are
compatible or are enableded in asterisk.

I.E. One case that will not work: phone or trunk A: protocols
supported speex,iBLC. Asterisk: supports speex, iBLC, G711. Phone B:
supports G729, G723.

In this case, Asterisk should converted one of the codecs supported by
B to one of supported by A, but Asterisk can't decode them because you
don't installed any codec for G729 nor G723.

Cases it will work:
if A supports also G729 or G723: in this case, Asterisk don't need to
do transcoding, then it does not matter if it has tihs codecs.
If you install G729 and/or G723 in Asterisk. In this case, Asterisk
can decode the audio and re-encode with speex or iBLC.


--
Alejandro Vargas
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RE: [Asterisk-Users] SIP routing over IAX2

2006-03-16 Thread Bart J. Smit
Thanks Alejandro,

I'm sure the codecs are fine, as I can make calls inbound to the LAN
Asterisk.

Can you tell me which configuration changes I need to make on each
Asterisk to route these calls?

Bart...

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Alejandro
Vargas
Sent: 16 March 2006 08:58
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [Asterisk-Users] SIP routing over IAX2

2006/3/16, Bart J. Smit [EMAIL PROTECTED]:
 Can Asterisk do this? I am relatively new to Asterisk. I guess I'm
after
 something like an email smarthost feature for SIP.

Yes, Asterisk can do protocol conversion as well as codec conversion.
Just configure phones and asterisk to connect correctly (i.e. echo
test working) and make sure the audio codecs you are using are
compatible or are enableded in asterisk.

I.E. One case that will not work: phone or trunk A: protocols
supported speex,iBLC. Asterisk: supports speex, iBLC, G711. Phone B:
supports G729, G723.

In this case, Asterisk should converted one of the codecs supported by
B to one of supported by A, but Asterisk can't decode them because you
don't installed any codec for G729 nor G723.

Cases it will work:
if A supports also G729 or G723: in this case, Asterisk don't need to
do transcoding, then it does not matter if it has tihs codecs.
If you install G729 and/or G723 in Asterisk. In this case, Asterisk
can decode the audio and re-encode with speex or iBLC.


--
Alejandro Vargas
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[Asterisk-Users] sip routing

2005-11-22 Thread harry gaillac
Hello,

Can we configure asterisk in order to send sip
requests to a outbound proxy 
when asterisk get AOR of users agents with an private
ip ?


Asterisk AOR:[EMAIL PROTECTED] ip
   | 
   | 
 sip proxy/nat box---user agent
192.168.0.0/24  

Regards
Harry






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