SIP SRST Config Sample

debug tftp event
debug ccsip message

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voice service voip
 allow-connections sip to sip
 sip
  registrar server expires max 600 min 60

voice class codec 1
 codec preference 1 g729br8
 codec preference 2 g729r8
 codec preference 3 g711ulaw
 codec preference 4 g711alaw

voice register global
 system message SRST service active
 max-dn 200
 max-pool 10
!
voice register pool  1
 id network 10.132.193.0 mask 255.255.255.0
 voice-class codec 1
!

call-manager-fallback
 secondary-dialtone 9
 max-conferences 8 gain -6
 transfer-system full-consult
 timeouts interdigit 2
 ip source-address 10.128.192.198 port 2000
 max-ephones 100
 max-dn 250
 system message primary SRST Mode
 time-zone 42
 time-format 24