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[asterisk-users] Can asterisk support using different ip for rtp?

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hansyin at gmail.com
Guest

Posted: Tue Jun 24, 2008 8:26 pm Post subject: [asterisk-users] Can asterisk support using different ip for

Currently, RTP IP have to be the same as SIP IP. But, SIP RFC allows RTP to use different IP as SIP ip. Is there any way to configure it? GUI or CLI? or , will we support it in future? Thanks. -- Rgds, -- Rgds, Hans Yin Web: homeofhans.homeip.net Email: hansyin at gmail.com MSN: hansyin at hotmail.com Skype: hans_yin_vancouver

oej at edvina.net
Guest

Posted: Wed Jun 25, 2008 3:25 am Post subject: [asterisk-users] Can asterisk support using different ip for

25 jun 2008 kl. 03.26 skrev Jun Yin:

Quote:

Currently, RTP IP have to be the same as SIP IP. But, SIP RFC allows
RTP to use different IP as SIP ip.

Is there any way to configure it? GUI or CLI? or , will we support
it in future?

There's currently no support for that in Asterisk.

/O

oej at edvina.net
Guest

Posted: Wed Jun 25, 2008 5:34 am Post subject: [asterisk-users] Can asterisk support using different ip for

25 jun 2008 kl. 11.15 skrev Raj Jain:

Quote:

On Tue, Jun 24, 2008 at 9:26 PM, Jun Yin <hansyin at gmail.com> wrote:
Currently, RTP IP have to be the same as SIP IP. But, SIP RFC allows
RTP to use different IP as SIP ip.

Is there any way to configure it? GUI or CLI? or , will we support
it in future?

SIP is decoupled from RTP, so they can emanate from different IP
addresses. Can you present a scenario where this will make sense (in
the context where Asterisk is anchoring the media) ?

In general, it's quite frequent in larger setups with remote RTP
proxys or media servers. However, as I already said, Asterisk can't
handle this today.

/O

hansyin at gmail.com
Guest

Posted: Wed Jun 25, 2008 11:51 am Post subject: [asterisk-users] Can asterisk support using different ip for

some vendors(like alcatel-lucent) developed a kind of sip proxy which
includes two parts: one sip signaling module and one or more voice
modules. voice modules are responsible for receiving/sending voice
traffic(RTP). each voice module has its own IP. so , when the sip
signaling part sends out "invite" packet, it has sip ip in its sip
content and different RTP ip in SDP content. (also for 200OK)
Now I'm trying to do a test to simulate that product with asterisk. I
hope asterisk can sends out different rtp address based on user or
domain name. Based on network side, there are many ways to do it: we
can configure the network card with multiple IPs, one for SIP and
others for RTP. or , we can setup multiple network cards for the
asterisk server, one card is for sip signaling and other cards for rtp
traffic connecting to different carriers. I think this diagram is
reasonable but I was surprised that asterisk does not support it.
Maybe asterisk can do this by special configuration? or, there is
other free sip proxy software can do this?

Thanks.

Quote:

Message: 10
Date: Wed, 25 Jun 2008 05:15:29 -0400
From: "Raj Jain" <rj2807 at gmail.com>
Subject: Re: [asterisk-users] Can asterisk support using different ip
for rtp?
To: "Asterisk Users Mailing List - Non-Commercial Discussion"
<asterisk-users at lists.digium.com>
Message-ID:
<1971b0b60806250215r22c31131l3886a762bc31855f at mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"

On Tue, Jun 24, 2008 at 9:26 PM, Jun Yin <hansyin at gmail.com> wrote:

Quote:

Currently, RTP IP have to be the same as SIP IP. But, SIP RFC allows
RTP to use different IP as SIP ip.

Is there any way to configure it? GUI or CLI? or , will we support it in
future?

SIP is decoupled from RTP, so they can emanate from different IP addresses.
Can you present a scenario where this will make sense (in the context where
Asterisk is anchoring the media) ?

--
Raj Jain

klaus.mailinglists at ...
Guest

Posted: Thu Jun 26, 2008 3:22 am Post subject: [asterisk-users] Can asterisk support using different ip for

I think this is not possible. If you take a look at main/rtp.c there is
no config option for an IP address.

regards
klaus

Jun Yin schrieb:

Quote:

Currently, RTP IP have to be the same as SIP IP. But, SIP RFC allows
RTP to use different IP as SIP ip.

Is there any way to configure it? GUI or CLI? or , will we support it in
future?

SIP is decoupled from RTP, so they can emanate from different IP addresses.
Can you present a scenario where this will make sense (in the context where
Asterisk is anchoring the media) ?

--
Raj Jain

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