www.itexpo.com October 10-13, 2006• San Diego Convention Center, San Diego California Asterisk: Thinking Out of the Box Carl Davis
Www.itexpo.com October 10-13, 2006 San Diego Convention Center, San Diego California Asterisk: Thinking Out of the Box Carl Davis.
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www.itexpo.com
October 10-13, 2006• San Diego Convention Center, San Diego California
Asterisk:Thinking Out of the
Box
Carl Davis
www.itexpo.com
October 10-13, 2006• San Diego Convention Center, San Diego California
PBX Out of the Box
You should be so lucky…• 138 ready-to-use Asterisk Applications• None of these operate out of the box to
immediately give you a usable system• They are building blocks that allow you to
build virtually any type of telephony system• Some of these need only a little support• Your Telephony system is only limited by your
imagination
www.itexpo.com
October 10-13, 2006• San Diego Convention Center, San Diego California
What You Get
By adding the samples from the distribution during Asterisk installation (make samples), you receive several useful trials
• Demo call via IAX to Digium @ extension 500• Echo test @ extension 600• Single User with Voicemail @ extension 1234• Voicemail system @ extension 8500• DIY Toolkit
www.itexpo.com
October 10-13, 2006• San Diego Convention Center, San Diego California
500Give Digium a call. This will connect
directly to the Digium offices which are open from 8:00am to 5:00pm CDT, Monday through Friday, holidays not withstanding. Be aware:
• You must be connected to the Internet
• You must have a way to dial!!! ;-)
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October 10-13, 2006• San Diego Convention Center, San Diego California
600Can you hear me now? Dialing this
extension will create an audio loopback and allow you to hear everything you say through your connection. Be aware:
• You must be able to connect to your Asterisk PBX with a microphone and speaker to perform this test!!! ;-)
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October 10-13, 2006• San Diego Convention Center, San Diego California
1234This will connect you to the console. You will
need to be familiar with Asterisk console commands to guide your way through this interface. Once here, you may:
• Not be able to do much because you still need a way to connect to your Asterisk PBX
Let’s skip Voicemail right now. Its there, at 8500, but you need to…well, you know ;-)
www.itexpo.com
October 10-13, 2006• San Diego Convention Center, San Diego California
How Do You Connect?
You, and the rest of your world, must be connected to this technological marvel you just built. While you will read many times that having a good understanding of Asterisk dial plans is essential (true), you must also understand that dial plans depend on connections to and from the rest of the world.
Boy, are you in luck, because you just constructed a Multi-Protocol PBX that provides you with an ever growing number of ways to connect!
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October 10-13, 2006• San Diego Convention Center, San Diego California
Connections
The most popular are:
• SIP• ZAP• IAX
Others are available and more are created everyday. You may even create your own.
www.itexpo.com
October 10-13, 2006• San Diego Convention Center, San Diego California
Ready to Use Tool Kit
Now you are on the right track. What do you want?
• Auto Attendant• Call Rollover• Voice Mail• Do Not Disturb• Audio Conferencing• Find Me/Follow Me• Long Distance AAA
www.itexpo.com
October 10-13, 2006• San Diego Convention Center, San Diego California
Auto Attendant[demo]
exten => s,1,Wait(2)
exten => s,n,Answer
exten => s,n,BackGround(enter-ext-of-person)
exten => 2,1,Dial(${MYEXTEN},15)
exten => 2,n,Goto(d-${DIALSTATUS},1)
exten => d-BUSY,n,Playback(tt-allbusy)
exten => d-BUSY,n,Hangup
exten => _d-.,n,Playback(monkeys)
exten => _d-.,n,Hangup
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October 10-13, 2006• San Diego Convention Center, San Diego California
Call Rollover
exten => d-NOANSWER,1,Dial(${MYCELLPHONE},15)
exten => d-NOANSWER,n,goto(n-${DIALSTATUS},1)
exten => n-NOANSWER,1,Playback(vm-nobodyavail)
exten => n-NOANSWER,n,Hangup
exten => n-BUSY,n,Playback(tt-allbusy)
exten => n-BUSY,n,Hangup
exten => _n-.,n,Playback(tt-weasels)
exten => _n-.,n,Hangup
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October 10-13, 2006• San Diego Convention Center, San Diego California
Voice Mail
exten => n-NOANSWER,1,Voicemail(u${MYMAILBOX})
exten => n-NOANSWER,n,Hangup
exten => n-BUSY,1,Voicemail(b${MYMAILBOX})
exten => n-BUSY,n,Hangup
exten => _n-.,n,Playback(tt-weasels)
exten => _n-.,n,Hangup
www.itexpo.com
October 10-13, 2006• San Diego Convention Center, San Diego California
Do Not Disturb (DND)
[demo]
exten => s,1,Wait(2)
exten => s,n,Answer
exten => s,n,BackGround(enter-ext-of-person)
exten => s,n,GotoIf($[${DB_EXISTS(DND/${EXTEN})} = 0]?dialuser,1)
; Tell them we’re not all there
exten => s,n,Playback(tt-monkeysintro)
exten => s,n,Hangup
exten => 2,1,Dial(${MYEXTEN},15)
exten => 2,n,Goto(d-${DIALSTATUS},1)
www.itexpo.com
October 10-13, 2006• San Diego Convention Center, San Diego California
Audio Conferencing
Asterisk Audio Conferencing is accomplished with the MeetMe application. Its configuration can be done entirely in the dial plan or put into the meetme.conf configuration. It is simple to setup and use and as full featured as you wish to configure.
exten => 10,1,MeetMe(1234,pM,9876)
exten => 10,n,Hangup
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October 10-13, 2006• San Diego Convention Center, San Diego California
meetme.conf
Asterisk Audio Conferencing can also be defined in the meetme.conf configuration. The configuration is read everytime you call the Meetme() application. For example:
[general]
audiobuffers=32 ; min is 2, max is 32
[room]
conf => 1234,9876
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October 10-13, 2006• San Diego Convention Center, San Diego California
AAA
Authorization, Authentication and Accounting… these are available with specific applications that can be used to build any feature set.
• Direct Inward System Access is DISA()• Asterisk database access is available from
the dial plan (check out blacklist())• Call Detail Records can be file or MySQL
based for call accounting• Global variables and the Asterisk database
can be used for further persistence of data
www.itexpo.com
October 10-13, 2006• San Diego Convention Center, San Diego California
References
• www.voip-info.org/wiki• Asterisk: The Future of Telephony – freely
available on www.asteriskdocs.org• Asterisk PBX itself• Asterisk source distribution –
www.asterisk.org
www.itexpo.com
October 10-13, 2006• San Diego Convention Center, San Diego California
Q&A
Carl Davis
President & Chief Architect
Stellar System Technologies, Inc
www.stellarsystech.com
Executive Director
High Tech Business Council of Rochester
www.htbc.org
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