[cisco-voip] CME to CM 4.1 SCCP Call info - more questions

Bob A. Bowie bababooey at cox.net
Thu Dec 1 00:56:00 EST 2005


If I initiate a conference from the Call Manager IP Phones to a two phones on the CME system,
does this result in two streams to the CME router or a single stream to the MTP?

Also, what if the conference is generated from the CME phone and conference phones on CME and the Call Manager
are there multiple streams?

Thanks

  ----- Original Message ----- 
  From: Kevin Thorngren 
  To: Bob A. Bowie 
  Cc: cisco-voip at puck.nether.net 
  Sent: Wednesday, November 30, 2005 11:01 AM
  Subject: Re: [cisco-voip] CME to CM 4.1 SCCP Call info


  Hi Bob,

  Yes, that is the expected behavior. A call between two phones on the same CME will have RTP streams directly between the two phones. If the call is to another destination through the CME then the CME is used as an MTP device for the call.

  Kevin
  On Nov 30, 2005, at 12:51 AM, Bob A. Bowie wrote:


    Hello, I have a remote site with CME 3.3 and my Call Manager Cluster 4.1.3 configured as H323 trunk
    through the WAN.  I have a question about call setup, as I am viewing the CME side with a packet analyzer,
    I see the CM IP phone stream to the CME router, and the CME router to the CME IP  Phone.
    QUestion: since these are both sccp phones on a WAN, I thought the media stream should be direct, once
    call setup is completed?  Is what I am seeing correct?
     
    Tx
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