Как подключить AddPac ap-gc5000 gsm-шлюз к FreePBX в качестве транка?

Question

[xxnet]

Здравствуйте.
Задача такая: связать gsm-шлюз AddPac ap-gc5000 и IP-телефонию на базе FreePBX
Есть еще АТС Panasonic kx-tde200
Конфиг AddPac

Current configuration:
!
version 8.51.005
!
hostname gsmgate
!

username guest password guest user
!
!
interface Loopback0
 ip address 127.0.0.1 255.0.0.0
!
interface GigabitEthernet0/0
 ip address 10.8.3.111 255.255.252.0
 speed auto
 no qos-control
!
interface GigabitEthernet0/1
 ip address 80.80.105.35 255.255.255.248
 shutdown
 speed auto
 no qos-control
!
ip route 0.0.0.0 0.0.0.0 10.8.0.2 10
!
!
snmp name GS5000_G2
snmp enable-trap dn-register 600 forcely-block
!
!
ftp server
http server
!
!
dns name-server 10.8.68.10
dns name-server 10.8.68.20
!
logging command
logging event 7-debug
logging on
!
!
!
!
! VoIP configuration.
!
!
! Controller configuration.
!
controller e1 5/0
 signalling-type r2
 clock-source  slave
 framing no-crc4
!
controller e1 5/1
!
!
!
! Voice service voip configuration.
!
voice service voip
 protocol sip
 dtmf-relay rfc-2833
 fax protocol t38 redundancy 0
 fax rate 9600
 h323 call start fast
 h323 call tunnel enable
 no call-barring unconfigured-ip-address
 no voip-inbound-call-barring enable
!
!
! Voice port configuration.
!
! GSM
voice-port 0/0
 connection plar 89061766524
 caller-id enable
!
!
! GSM
voice-port 0/1
 no caller-id enable
!
!
! GSM
voice-port 0/2
 no caller-id enable
!
!
! GSM
voice-port 0/3
 no caller-id enable
!
!
! GSM
voice-port 0/4
 no caller-id enable
!
gsmgate#