If the ip-address of the RTP stream was specified in the sdp part of the
INVITE then all is RFC-OK.
Don't know if this answers the question but no one else replied..
Paul
> Tony Graziano <tgrazi...@myitdepartment.net> wrote on 25-10-2011
12:39:02:
> I don't think it is, but I wanted opinions.
>
> I was asked to look at flowroute for a potential deployment. After
> monkeying around with their portal, which has its own quirks, I saw
> the following behavior...
>
> Invite from FR on port 5080 at their ip 216.x.y.z, then I saw the
> call fail to setup (BYE) from sipx due to no response (timeout) from
> the other side.
>
> In my case this is a dual wan and I routed FR's network via a
> dedicated connection on the router. Works for Appiaservices, voip.ms,
> bandwidth.com, etc., so all is without issue "except" for flowroute.
>
> After doing another test call and getting a pcap from the firewall,
> I noticed the RTP was being sent by a foreign (Level 3) IP address
4.a.b.c.
>
> My question: If the signalling for the call is established with one
> IP address, does a totally different IP address for media break any
> rules? I'm guessing not because the call worked once I routed the
> level 3 address(s) via the other wan connection.
>
> While I don't think it's particularly good behavior, is there
> anything improper other than an ACL or routing rats nest that this
> tye of ITSP routing introduces?
>
> --
> ======================
> Tony Graziano, Manager
> Telephone: 434.984.8430
> sip: tgrazi...@voice.myitdepartment.net
> Fax: 434.465.6833
>
> Email: tgrazi...@myitdepartment.net
>
> LAN/Telephony/Security and Control Systems Helpdesk:
> Telephone: 434.984.8426
> sip: helpd...@voice.myitdepartment.net
>
> Helpdesk Contract Customers:
> http://support.myitdepartment.net
>
> Blog:
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>
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>
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