[Asterisk-Users] HELP: Asterisk - SIP to H.323 translation

[steve]

Hi:

I have a question.  What is a sip proxy and what is the benefit of having
one with Asterisk?   I am well aware that we have a sip channel in Asterisk
and that we have SIP registration.   I am not sure why you would need a SIP
server.   

Second question, with Asterisk are you able to do video on VOIP video
phones?

Thanks


Steve
steve at 17q.com



-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Asterisk .
Sent: Thursday, September 30, 2004 4:46 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [Asterisk-Users] HELP: Asterisk - SIP to H.323 translation

Hello,

--- UTRINI at embratel.com.br wrote:
<snip>

> Can I use Asterisk as a SIP Proxy and as a SIP to H.323 translator?
> I want to implement  PC-to-Phone calls in the following topology (for
> signalling):
> SIP Softphone --> Asterisk --> Gatekeeper H.323 ---> Gateway H.323 --->
> PSTN
> The RTP audio packets would go direct through Softphone to gateway.

You can use Asterisk as a SIP-H323 translator. It is not a SIP proxy, but a
PBX having a SIP
channel. It also is a SIP UAS/Registrar. I dont think when it is used as a
translator, RTP packets
will go directly from softphone to gateway, since there are 2 different
protocols involved.
Asterisk will force the RTP packets to go through it.

> 
> Helaine
> 

Regards, Girish


		
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