[cisco-voip] No ring back Tone For Switched off Mobile

[Asim Mekki Basheer]

its Working Now , i checked MTP required under CUCM Trunk Configuration
Thanks All

Subject: Re: [cisco-voip] No ring back Tone For Switched off Mobile
To: asim_323 at hotmail.com; sreenara at cisco.com
CC: cisco-voip at puck.nether.net
From: adamgfrankel at gmail.com
Date: Tue, 24 May 2016 04:22:44 -0400


  
    
  
  
    If you used MTP required, you'll need to ensure that a G711 MTP is
    in the MRGL of the SIP Trunk and the trunk is reset.  All IPVMS
    ("built in") MTP's support G711.  If that call's still not working,
    you'll need to analyze CCM traces and potentially SIP message traces
    on the trunk. 

    

http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/service/9_0/admin/CUCM_BK_C136FE37_00_cisco-unified-serviceability-administration-90/CUCM_BK_C136FE37_00_cisco-unified-serviceability-administration-guide_chapter_011.html

    

    Servers -> all

    Service Group -> Cisco Unified Unified CM

    Service -> Cisco CallManager

    

    

    --

    Adam

    

    

    

    On 5/24/2016 4:08 AM, Asim Mekki
      Basheer wrote:

    
    
      
      i have added the below cmd but still not working (
        MTP) not checked
        

        
        

        
        Regards
        

        
        

          

          
            Subject: Re: [cisco-voip] No ring back
            Tone For Switched off Mobile

            To: sreenara at cisco.com; asim_323 at hotmail.com

            CC: cisco-voip at puck.nether.net

            From: adamgfrankel at gmail.com

            Date: Mon, 23 May 2016 12:25:48 -0400

            

            Also -> 

            -Enable Early Offer (MTP if needed) on the SIP profile (CUCM
            8.5+) or Effort Early Offer (no MTP) on the SIP Profile
            (CUCM 10.5+)

            http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/rel_notes/10_5_1/CUCM_BK_CE15D2A0_00_cucm-release-notes-1051/CUCM_BK_CE15D2A0_00_cucm-release-notes-1051_chapter_01.html#CUCM_TP_B8E6026A_00

            

            -MTP Required (any version)

                MTP Required limits you to a single codec in the
            outbound offer and ties your max permitted calls to the
            number of MTP Resources in your MRGL.  

            

            Sreekanth's suggestion is the simplest to fix your specific
            problem, but early offer usually works better overall with
            most Service providers.

            

            HTH,

            --

            Adam

            

            On 5/23/2016 11:23 AM,
              Sreekanth Narayanan (sreenara) wrote:

            
            
              
              This happens when the CUBE receives the prompt from
                the ITSP over RTP and is not aware of where it has to
                stream this prompt because CUCM does Delayed Offer by
                default. So Cube doesnt have the phone's IP address.
              

              
              You can fix this by forcing CUCM to send provisional
                acknowöedgement by:
              1. putting voice-class sip rel1xx require "100rel" on
                the dial peers facing CUCM, and
              2. Under sip profile of sip trunk facing CUBE, change
                the Rel1xx parameter to Send Prack for all 1xx messages.
              

              
              

              
              

              
              
                Sreekanth
                

                
                Sent from a
                  phone.
              
              

              
              

              
              -------- Original message --------
              From: Asim Mekki Basheer <asim_323 at hotmail.com>
              
              Date: 5/23/16 4:37 PM (GMT+05:30) 
              To: cisco-voip at puck.nether.net
              
              Subject: [cisco-voip] No ring back Tone For Switched
                off Mobile 
              

              
              
                
                  
                    Hi
                  
                    

                    
                  
                    The issue is, when call out to a
                      Switched off mobile phone, the IP Phone can't hear
                      the correct ringback tone either Busy Tone nor
                      Service Provider's Ringtone, it hears normal
                      Ringback tone same as when the mobile
                      phone switched on instead
                  
                  
                  
                    The call flow:
                  
                    IP Phone -- CUCM -- SIP Trunk--  CUBE --SIP Trunk
                    -- Service Provider .
                  
                    

                  
                  
                    (CUCM 7.5,  VGW (2921)
                  
                    

                  
                  
                  
                  
                    Regards
                
              
              

              
              

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