sip to sip gateway

Hi Friends,

I have just preparing for cvoice and I have made two sip gateways on gns3 connected with loopback and VM-Net. Xlite phone registered on both gateway seperately.

When i make calls each other it shows media not implemented. The configuration is as follow-

voice service voip

allow-connections sip to sip

sip

  bind control source-interface Loopback0

  bind media source-interface Loopback0!

voice register global

mode cme!

voice register dn  1

number 2000!

voice register pool  1

id mac 0050.5639.361C

number 1 dn 1

dtmf-relay sip-notify

username test1 password test1

interface Loopback0

ip address 192.168.20.1 255.255.255.0

interface FastEthernet0/0

ip address 14.14.14.1 255.255.255.0

interface Serial1/0

ip address 10.10.10.2 255.255.255.0

serial restart-delay 0

dial-peer voice 1 voip

destination-pattern 1...

media flow-around

session protocol sipv2

session target ipv4:10.1.1.1

incoming called-number 1000

sip-ua

authentication username cisco password 7 104D000A0618

registrar ipv4:192.168.20.1 expires 3600

sip-server ipv4:14.14.14.1

are you using TCL IVR script here if not then you can contact Cisco TAC.

Thanks,

Raghavendra