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Impact of failure of stateful proxy on existing calls

edited May 14, 2014 4:55PM in Acme Packet (MOSC) 4 commentsAnswered ✓

Hi,

 

My basic doubt is whether an existing media (RTP) which is not routed via a SBC gets impacted if the SBC which handled the signalling part (SIP) goes down?

 

1:

 

 

User-A calls User-B

 

Signalling Path is as below:-

 

User-A (device) ---> Node-A ----> SBC-A -----> SBC-Proxy (stateful) X ----> SBC-B ----> User-B (device)

 

and the media path is as below:

 

User-A(device) -----> Node-A ----> SBC-A -------------------------------------------> SBC-B -----> User-B (device)

 

If SBC-Proxy-X (stateful) is not reachable (either due to transmission failure or the SBC-Proxy-X fails); will it impact the existing call? 

 

The mutual ping (sending Options) is set in each SBC -- so I can understand that for new calls, SBC-A will be aware that SBC-Proxy-X is not available; I am not sure about the existing calls?

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