Difference between revisions of "About Asterisk"
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[voipbuster-out] | [voipbuster-out] | ||
exten => _0[12345789]XXXXXXXX,1,Dial,IAX2/voipbuster/0031${EXTEN:5} | exten => _0[12345789]XXXXXXXX,1,Dial,IAX2/voipbuster/0031${EXTEN:5} | ||
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'''Example of SIP.conf:''' | '''Example of SIP.conf:''' | ||
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[9999] | [9999] | ||
type=friend | type=friend | ||
Revision as of 11:33, 22 January 2007
Asterisk is a free telephone Private Branch Exchange (PBX) system. This can most easily been seen as a telephone system used to connect callers and as a sort of answering and dispatching machine. (e.g. "press 1 to speak to ..." etc)
Connecting to existing systems
Connecting Asterisk to an existing telephone network. This is called a PSTN call (Public Switched Telephone Network) Asterisk can be connected to a SIP or IAX provider (like VoIPBuster) or by using a (voice-)modem-card of Zaptel-card in de Asterisk-server.
VoIPBuster
A few config-files have to be changed in order to get the system to work with VoIPBuster
Adding to sip.conf:
[voipbuster] type=peer host=sip1.voipbuster.com username=GEBRUIKERSNAAM secret=WACHTWOORD notransfer=yes insecure=very externip=JEEXTERNEIP context=voipbuster-out
register => GEBRUIKER:WACHTWOORD@sip1.voipbuster.com
More information on VoIPBuster homepage
At this point there is a (peer) connection active. The only thing left is making it work.
extensions.conf
[voipbuster-out]
exten => _0[12345789]XXXXXXXX,1,Dial,IAX2/voipbuster/0031${EXTEN:5}
exten => _0[12345789]XXXXXXXX,2,Congestion
exten => _XXXXXXX,1,Dial,IAX2/voipbuster/0031[b]35[/b]${EXTEN}
exten => _XXXXXXX,2,Congestion
[home]
exten => 7500,1,VoicemailMain
exten => 7500,2,Hangup
exten => 9999,1,Ringing
exten => 9999,2,Dial(SIP/9999,20,T)
exten => 9999,3,Voicemail(u9999)
exten => 9999,4,Hangup
include => voipbuster-out
exten => _06XXXXXXXX,1,Dial(SIP/${EXTEN}@pstn-spa3k,60,)
exten => _06XXXXXXXX,2,Congestion
Previous code will operate as follows: All extensions of 10 digits, starting with a "0", will replace the leading zero with "0031" (Dutch country-code), which is needed for using VoIPbuster.
7500 is the voicemail
9999 is de incomming line, for Voipbuster-IN. At this moment, this does not yet work.
06 numbers are routed through the installed modem-card, because this is cheaper than using VoIPbuster.
Example of SIP.conf:
[9999] type=friend language=nl host=dynamic context=home secret=WACHTWOORD mailbox=9999 dtmfmode=rfc2833 disallow=all allow=ulaw [5555] ; If you're using Asterisk, this goes into the Incoming settings ; For your Trunk type=friend host=dynamic ; If using Asterisk@home, change the below line to context=from-internal context=home secret=WACHTWOORD dtmfmode=rfc2833 disallow=all allow=ulaw insecure=very [pstn-spa3k] ; If you're using Asterisk, this section goes into the Outgoing Settings ; for your trunk. type=peer auth=md5 host=134.145.134.18 port=5061 secret=WACHTWOORD username=asterisk fromuser=asterisk dtmfmode=rfc2833 ; If using Asterisk@home, change the below line to context=from-internal context=home insecure=very
If all went well, it is now possible to make a call using VoIPBuster. Using a free account, the call is limited to 2 minutes.
It is also possible to get a telephone number with VoIPbuster. See their site for more info.
