hi! thank for your answer.
yes. gw is 2801.
ios version is 12.4(6)T
voice service voip
allow-connections h323 to h323
allow-connections h323 to sip
allow-connections sip to h323
allow-connections sip to sip
h323
sip
!
!
!
!
!
voice translation-rule 1
rule 1 /^70+/ /0/
!
!
voice translation-profile yyy
translate called 1
!
!
!
!
!
!
!
!
!
!
!
interface FastEthernet0/0
ip address 192.168.1.1 255.255.255.0
duplex auto
speed auto
!
interface FastEthernet0/1
no ip address
shutdown
duplex auto
speed auto
!
ip route 0.0.0.0 0.0.0.0 192.168.1.1
!
!
ip http server
no ip http secure-server
!
!
!
!
!
!
!
control-plane
!
!
!
!
!
!
!
dial-peer voice 7888 voip
translation-profile outgoing yyy
destination-pattern 7.T
rtp payload-type nse 101
rtp payload-type nte 100
session protocol sipv2
session target ipv4:x.x.x.x (sip server)
session transport udp
dtmf-relay rtp-nte
codec g711alaw
no vad
!
dial-peer voice 1000 voip
destination-pattern 0...
rtp payload-type nse 101
rtp payload-type nte 100
session protocol sipv2
session target ipv4:y.y.y.y
codec g711alaw
!
gateway
timer receive-rtcp 4
timer receive-rtp 1200
!
sip-ua
nat symmetric role active
nat symmetric check-media-src
registrar ipv4:x.x.x.x expires 3600
sip-server ipv4:x.x.x.x
