[cisco-voip] VPN / Meetme / UC

[Ryan Ratliff]

Assuming by call flow you mean RTP packets.  Remember your signaling is different from media, but signaling is always to CUCM so the media (RTP) is the only thing that changes.

Inline below.

-Ryan
> 
> On Mar 19, 2013, at 2:18 PM, Scott Voll <svoll.voip at gmail.com> wrote:
> 
> I need someone to help me understand Call Flow.
> 
> I have a Remote VPN user with physical 7961 phone.  he calls a dummy phone that forwards to UC VM Call handler.  (assuming that the Call flow is now from phone to UC server)
RTP at this point is from phone to UC, once the call is connected.

> The CH gives options as to where to transfer (which Meetme conference)
> 
> User presses the conference he wants, so it transfers to the Meetme Conference.
> 
> Now call flow is from phone to Meetme?  Is it using the HW confernence resource (IOS) or the CM?  Do I have to have all my HW Confernece resources in the MRG?
After the transfer is complete the RTP from the phone will go to whatever conference bridge hosts the Meetme. This CFB will be selected based on the MRGL of the device that initiated the Meetme conference.

> 
> the user is getting connected but no packets, thus I believe I need to understand the packet flow with meetme so I can adjust the VPN accordingly.
The easiest way to see what the phone is sending to is to look at its web page (assuming you aren't blocking http inbound to the phone over your vpn) under Streaming Statistics.  It will show the remote IP address right there.

> 
> TIA
> 
> Scott
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