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Once you have received you SIP account activation details then you are ready to make calls using your Asterisk server
Outgoing PSTN SIP Trunk
The preferred method of configuring Asterisk is by using a combination of the sip.conf and extensions.conf files. The sip.conf file enables you to have much more configuration control over your SIP connection, allowing you to control things such as codec priorities, trunking, etc.
For connection to VoIPtalk, a basic sip.conf entry would be:
[general]
register => USERID:PW@voiptalk.org/USERID
[voiptalk]
type=friend
username=USERID
secret=PW
fromuser=USERID
host=voiptalk.org
dtmfmode=rfc2833
fromdomain=voiptalk.org
context=default
insecure=very
The corresponding entry in extensions.conf would be:
exten => USERID,1,Dial(SIP/extension)
exten => _0[1-9].,1,Dial(SIP/voiptalk/${EXTEN})
exten => _00[1-9].,1,Dial(SIP/voiptalk/${EXTEN})
where USERID is your VoIPtalk ID, PW is your VoIPtalk password and voiptalk is the name of the SIP entity created in sip.conf for your VoIPtalk account.
SIP to SIP Calls
To make free SIP calls to any VoIPtalk ID add the following to extensions.conf:
exten=> _8[1-9].,1,Dial(SIP/${EXTEN}@voiptalk)
Dialling Other Networks
Please configure your extensions.conf locally for other networks.
Useful Numbers
To access our special numbers, you will need to add an extra dial string into your dial plan:
exten => _9XX,1,Dial(SIP/${EXTEN}@voiptalk)
All special numbers are 3 digits on length and start with the 9 prefix, for example:
- 900 - Dial VoIPtalk Customer Services
- 902 - Welcome Message
- 903 - Speak your extension
- 904 - Echo test
Please see our Useful Numbers page for more information.
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