Connecting FXO Gateway to Asterisk

Connecting FXO Gateway and Asterisk  in the Same LAN

Configuration on FXO Gateway

On Routing > Routing Table page, setup the routing rules for directing call from Asterisk to PSTN via FXO ports in round robin order.

Configuration on Asterisk Server

Enabling DHCP on FXO Gateway and Registering to Asterisk

Configuration on FXO Gateway

1. On Basic > SIP page, fill in Asterisk server’s IP address in the Registrar and Proxy Server fields.

2. On Trunk > Feature page, fill in Phone number, Auth User Name and Password fields and enable Registration.

3. On Routing > Routing Table page, setup the routing rules for directing call from Asterisk which start with 9 should be forwarded to PSTN via FXO-1 port and remove prefix 9.

Configuration on Asterisk Server

1. On extensions.conf file, edit dial plan configuration for Asterisk.
[default]

   exten   =>_9Z.,1,Dial(SIP/trunk1)

2. On sip.conf file, edit SIP configuration for Asterisk.

   [trunk1]

   call-limit=4

   type=friend

   secret=123456

   host=dynamic

   dtmfmode=rfc2833

   qualify=3000

Directing incoming Calls from PSTN to AA system of Asterisk via FXO Gateway

Configuration on FXO Gateway

1. On Basic > System page, select RFC 2833 in the DTMF method field.

2. On Trunk > Feature page, fill in Phone number, Auth User Name and Password fields, enable Registration, select Binding in the Inbound handle field, and fill in the corresponding AA number on Asterisk server in the Number field.

Configuration on Asterisk Server

On extensions.conf file, edit dial plan configuration for Asterisk.

   [default]

   exten => 8888,1,Answer()

   exten => 8888,n(Start),Wait(1)

   exten => 8888,n,Background(welcome.ivr)

   exten => _6XX,1,Dial(sip/${EXTEN})