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New Member

SRST failover

Good day, is there ANY way to have calls in progress stay up during a transition to SRST mode?

2 REPLIES
New Member

Re: SRST failover

Which Voice Gateway you are using

MGCP or H323

Aziz

Cisco Employee

Re: SRST failover

From what I've seen if the Call Manager link was shut down for more than 10 minutes, active calls from IP phone to IP phone should last for the duration of the call.

Active calls from IP phone to pstn would last for 3 minutes before being torn down.

The calls are dropped after the H245 TCP keepalives have expired. This is all assuming the CME gateway does not go down.

HTH,

Rob

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