In the following connectivity,
1. IP phone(5210) able to dial FXS phone(4161112000)
2. when I dial from FXS phone to IP phone, ringing is okay but disconnect immediate when I pick the IP phone. at this time, hear short tone four times in FXS phone (sounds like DTMF digit correction tone or re-dial).
IP phone(#5210)--CCM--VG(FXO port)--(RJ11 cable)--VG(FXS port)--Phone(from FXS port)
FXO VG
======
voice-port 0/1/0
connection plar opx 5210
!
voice-port 0/1/1
connection plar opx 5210
!
!
dial-peer voice 101 voip
destination-pattern 5...
session target ipv4:10.2.10.11
dtmf-relay h245-alphanumeric
codec g711ulaw
no vad
!
dial-peer voice 201 pots
preference 1
destination-pattern 9T
port 0/1/0
!
dial-peer voice 202 pots
preference 2
destination-pattern 9T
port 0/1/1
!
FXS VG
======
voice-port 0/2/0
caller-id enable
!
voice-port 0/2/1
caller-id enable
!
voice-port 0/2/2
!
voice-port 0/2/3
station-id number 4161112000
!
!dial-peer voice 201 pots
preference 1
destination-pattern 9T
port 0/2/0
!
dial-peer voice 202 pots
preference 2
destination-pattern 9T
port 0/2/1
!
dial-peer voice 100 pots
destination-pattern 4161112000
port 0/2/3
!
