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Thread: Cisco IP Phones receiving two calls from CCM 5.1
Cisco IP Phones receiving two calls from CCM 5.1
country flaguser name
Australia		 2008-02-05 23:39:09 

  


  

    Hi there,


 



We are running two 
Cisco Call Manager 5.1 servers here and need to integrate this with our 
current SIP set up which uses PortaBilling. When external calls come into our 
SIP gateway (PortaBilling), they are forwarded to the Cisco Call Managers (CCM). 
Because we have TWO CCM's (for redundancy), PortaBilling forwards it to both 
Call Mananger Server and we end up with two calls showing up on our Cisco IP 
Phone PLUS it takes up two media (dsp) channels. 


 



Is there something 
that can be done from either Porta or on the Cisco Call Manager to prevent 
this from happening so we only receive one call? Maybe clustering of the 
CCM's???


 



Anyone help 
would be greatly appreciated.


 



Thanks.

Andy

  

  
  
   
     
    

  

    Re:  Cisco IP Phones receiving two calls
from CCM 5.1
  


  

     country flaguser name
United States		
     2008-02-06 08:43:55
  


  

    

  


  

    





It sounds like you have (or they have) portabilling configured
with two separate SIP servers for your CallManagers, and not primary/failover.



 









From: cisco-voip-bouncespuck.nether.net
[mailto:cisco-voip-bouncespuck.nether.net] On Behalf Of Andy Saykao

Sent: Wednesday, February 06, 2008 12:39 AM

To: cisco-voippuck.nether.net

Subject: [cisco-voip] Cisco IP Phones receiving two calls from CCM 5.1










 




Hi
there,






 










We
are running two Cisco Call Manager 5.1 servers here and need to integrate

this with our current SIP set up which uses PortaBilling. When external calls
come into our SIP gateway (PortaBilling), they are forwarded to the Cisco Call
Managers (CCM). Because we have TWO CCM's (for redundancy), PortaBilling
forwards it to both Call Mananger Server and we end up with two calls showing
up on our Cisco IP Phone PLUS it takes up two media (dsp) channels. 










 










Is
there something that can be done from either Porta or on the Cisco Call
Manager to prevent this from happening so we only receive one call? Maybe
clustering of the CCM's???









 










Anyone help
would be greatly appreciated.









 










Thanks.



Andy






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