[cisco-voip] CCM - ad hoc conference

[Lelio Fulgenzi]

Something to add to this. There is also a rule that calls cannot span resources, so, the max participant value is used when assigning a conference call to a resource. If there is not at least <max participant> spaces available on a resource, it will not use it. The danger in upping the value to 16 is that you can end up wasting resources - there could be 15 calls available on a resource (almost half!) but because you can not have 16 calls, the potential max, it will skip to the next resource.

  ----- Original Message ----- 
  From: Lelio Fulgenzi 
  To: cisco-voip at puck.nether.net 
  Sent: Friday, June 10, 2005 11:25 AM
  Subject: Re: [cisco-voip] CCM - ad hoc conference


  If you are using software resources - you'll have to find out what the max of a server is - they suggest not using a publisher or subscriber for that.

  If you are using hardware resources, I opened a case about this. The 'official' stance is max 6 participants for a 6608 and 3.3.X and 16 for a 6608 and 4.1.X. However, when I contacted the TAC they said you could put as many as you want up to 32.

  From Cisco CallManager System Guide, Release 4.1(3) - Cisco DSP Resources for Transcoding, Conferencing, and MTP 
    a.. For a G.711 or G.723 conference-32 conferencing participants per physical port; maximum conference size of 16 participants 
    b.. For a G.729 conference-24 conferencing participants per physical port; maximum conference size of 16 participants 

  From Cisco CallManager System Guide, Release 3.3(4) Cisco Catalyst DSP Resources for Transcoding and Conferencing 

        Cisco Catalyst Voice Modules  PSTN Gateway Sessions  Conferencing Sessions  MTP Transcoding Sessions  
        Catalyst 4000 WS-X4604-GWY 
       G.711 only 

        .96 calls 
       G.711 only 

        .24 conference participants 

        .Maximum of 4 conferences of 6 participants each 
       To G.711 

        .16 MTP transcoding sessions 
       
        Catalyst 6000 WS-6608-T1 or WS-6608-E1 
       WS-6608-T1 

        .24 calls per physical DS1 port 

        .192calls per module 

        WS-6608-E1 

        .30 calls per physical DS1 port 

        .240calls per module 
       G.711 or G.723 

        .32 conferencing participants per physical port 

        .Maximum conference size of 6 participants 

        G.729 

        .24 conferencing participants per physical port 

        .Maximum conference size of 6 participants 
       The following capacities also apply to simultaneous transcoding and conferencing: 

        G.723 to G.711 

        .32 MTP transcoding sessions per physical port 

        .248sessions per module 

        G.729 to G.711 

        .24 MTP transcoding sessions per physical port 

        .192sessions per module 
       

    ----- Original Message ----- 
    From: Vincent De Keyzer 
    To: cisco-voip at puck.nether.net 
    Sent: Friday, June 10, 2005 8:51 AM
    Subject: [cisco-voip] CCM - ad hoc conference


    Hi list,

     

    what is a reasonable limit for the maximum number of attendees to an ad hoc conference on the CCM ? 

     

    I have a customer that would like to go up to 8 to 10 attendees, and the default limit is 4. Is there a risk for CCM, the gateway or something else?

     

    Vincent

     

     

     



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