From: David Fuller (fullerdavid@hotmail.com)
Date: Thu Oct 13 2005 - 11:47:34 GMT-3
Hi guys
Calling voice guys! We have an issue as follows:
We have a soft switch that sends voice calls to the AS5300 on one end and the
AS5300 sends this via IP over the internet, terminating at a GSM gateway in
the other country. GSM receives calls via IP and has SIMs that it can use to
route the calls to in country operators.
The problem is ISPs have blocked port 1720 used by H323. Since all the calls
were going via H323, all voice calls have stopped working. We want to be able
to route the calls out from AS5300 over a port other than 1720.
Would SIP do the trick? What config changes would be needed?
Thanks for your help
Dave
Here is the config:
AS5300-1#show run
Building configuration...
Current configuration : 2000 bytes
!
version 12.3
service timestamps debug datetime msec
service timestamps log datetime msec
service password-encryption
!
hostname AS5300-1
!
boot-start-marker
boot-end-marker
!
enable secret <REMOVED>
enable password < REMOVED>
!
!
resource-pool disable
!
syscon address 218.39.25.203 d1g1t0ooo
syscon shelf-id 0
no aaa new-model
ip subnet-zero
!
!
isdn switch-type primary-net5
!
voice call send-alert
voice rtp send-recv
!
voice service voip
h323
!
controller E1 0
pri-group timeslots 1-31
!
controller E1 1
pri-group timeslots 1-31
!
controller E1 2
framing NO-CRC4
pri-group timeslots 1-31
!
controller E1 3
framing NO-CRC4
pri-group timeslots 1-31
!
interface Ethernet0
no ip address
shutdown
!
interface Serial0:15
no ip address
isdn switch-type primary-net5
isdn protocol-emulate network
isdn incoming-voice modem
isdn send-alerting
isdn disconnect-cause 34
isdn sending-complete
no cdp enable
!
interface Serial1:15
no ip address
isdn switch-type primary-net5
no cdp enable
!
interface Serial2:15
no ip address
isdn switch-type primary-net5
no cdp enable
!
interface Serial3:15
no ip address
isdn switch-type primary-net5
no cdp enable
!
interface FastEthernet0
ip address 218.39.25.202 255.255.255.248
duplex auto
speed auto
h323-gateway voip interface
!
ip classless
ip route 0.0.0.0 0.0.0.0 218.39.25.206
no ip http server!
dialer-list 1 protocol ip permit
!
voice-port 0:D
!
voice-port 1:D
!
voice-port 2:D
!
voice-port 3:D
!
dial-peer voice 1 pots
incoming called-number .
direct-inward-dial
port 0:D
!
dial-peer voice 2 voip
huntstop
destination-pattern 92T
session target ipv4:204.145.230.234
no vad
!
num-exp 001 1
num-exp 002 2
num-exp 003 3
num-exp 004 4
num-exp 005 5
num-exp 006 6
num-exp 007 7
num-exp 008 8
num-exp 009 9
gateway
!
!
line con 0
logging synchronous
line aux 0
line vty 0 4
password <REMOVED>
6
login
!
scheduler interval 1000
end
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