How to configure the SRST mode Voice gateway is there any other procedure required for configuration
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sccp local FastEthernet0/0
sccp ccm IP identifier 10
sccp ccm IP identifier 12
sccp ccm IP identifier 30
sccp
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sccp ccm group 1
associate ccm 10 priority 1
associate ccm 12 priority 2
associate ccm 30 priority 3
switchback method graceful
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