I need help in AMI programing

I want to call and connect two international format numbers, from AMI.
Anybody can help me how i can?
I tryed with:

action: originate
channel: SIP/siptraffic/0040745171302
waittime: 30
callerid: 0040745171302
exten: 0040359101186
context: from-internal
async: true
priority: 1

and:

action: originate
channel: Local/0040745171302@from-internal
waittime: 30
callerid: 0040745171302
exten: 0040359101186
async: true
priority: 1

it is make the call, but i don’t hear voice…

Any reponse any idea is wellcome.