صدای یکطرفه در ترمینیشن

سلام
من با یک سیسکو 2811 که دارای 2 کارت1 E!هست میخواهم ترمینیشن را برای کاریر انجام دهم
اما خطوط بعد از اتصال به صورت یک طرفه هست و فقط تماس گیرنده قادر به شنیدن هست
من تنظیمات روتر را برای ترمینیشن در زیر نوشته ام

با تشکر حمید

ip host acct 62.215.196.10
multilink bundle-name authenticated
!
isdn switch-type primary-net5
!
voice-card 0
no dspfarm
!
!
username hamid password 7 094A4113180B
archive
log config
hidekeys
!
!
controller E1 0/0/0
pri-group timeslots 1-31
!
controller E1 0/2/0
pri-group timeslots 1-31
!
translation-rule 1
Rule 0 ^9650 0
Rule 1 ^9651 1
Rule 2 ^9652 2
Rule 6 ^9656 6
!
!
!
!
!
interface FastEthernet0/0
description ***internet connection***
ip address 172.16.20.54 255.255.255.252
duplex full
speed 100
!
interface FastEthernet0/1
description ***lan***
ip address 62.215.196.9 255.255.255.248
duplex auto
speed auto
no keepalive
!
interface Serial0/0/0:15
no ip address
encapsulation hdlc
isdn switch-type primary-net5
isdn incoming-voice voice
no cdp enable
!
interface Serial0/2/0:15
no ip address
encapsulation hdlc
isdn switch-type primary-net5
isdn incoming-voice voice
no cdp enable
!
ip route 0.0.0.0 0.0.0.0 172.16.20.53
!
!
no ip http server
no ip http secure-server
!
ip radius source-interface FastEthernet0/1
!
!
!
control-plane
!
!
!
voice-port 0/0/0:15
input gain 3
output attenuation -6
timeouts call-disconnect 1
timeouts wait-release 1
!
voice-port 0/2/0:15
!
!
!
!
!
dial-peer voice 1 pots
shutdown
destination-pattern 965T
incoming called-number .T
port 0/0/0:15
forward-digits all
!
dial-peer voice 2 pots
destination-pattern .T
translate-outgoing called 1
port 0/2/0:15
!
dial-peer voice 10 voip
shutdown
destination-pattern 225249.
modem passthrough nse codec g711ulaw
session target ipv4:62.215.196.10
dtmf-relay h245-signal h245-alphanumeric
codec g711ulaw
fax rate disable
no vad
!
dial-peer voice 11 voip
shutdown
destination-pattern 225248[5-9]
modem passthrough nse codec g711ulaw
session target ipv4:62.215.196.10
dtmf-relay h245-signal h245-alphanumeric
codec g711ulaw
fax rate disable
no vad
!
dial-peer voice 12 voip
shutdown
destination-pattern 225427[0-5]
modem passthrough nse codec g711ulaw
session target ipv4:62.215.196.10
dtmf-relay h245-signal h245-alphanumeric
codec g711ulaw
fax rate disable
no vad
!
dial-peer voice 13 voip
shutdown
destination-pattern 225149.
modem passthrough nse codec g711ulaw
session target ipv4:62.215.196.10
dtmf-relay h245-signal h245-alphanumeric
codec g711ulaw
fax rate disable
no vad
!