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Say Hello To Asterisk Steven Sokol, Asterisk Marketing Director


Welcome To Asterisk

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A Brief History Of Asterisk

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The Asterisk Software ast_cli(a->fd, "\n\n");! return CLI_SUCCESS;! }! static char *handle_show_threads(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)! {! int count = 0;! struct thread_list_t *cur;! switch (cmd) {! case CLI_INIT:! e->command = "core show threads";! e->usage =! "Usage: core show threads\n"! " List threads currently active in the system.\n";! return NULL;! case CLI_GENERATE:! return NULL;! }! AST_RWLIST_RDLOCK(&thread_list);! AST_RWLIST_TRAVERSE(&thread_list, cur, list) {! ast_cli(a->fd, "%p %s\n", (void *)cur->id, cur->name);! count++;! }! AST_RWLIST_UNLOCK(&thread_list);! ast_cli(a->fd, "%d threads listed.\n", count);! return CLI_SUCCESS;! }! #if defined(HAVE_SYSINFO)! /*! \brief Give an overview of system statistics */! static char *handle_show_sysinfo(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)! {! struct sysinfo sys_info;! switch (cmd) {! case CLI_INIT:! 4


What Is Asterisk?

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What Is Asterisk?

=

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Simple Applications Basic Web Page (HTML) <html>! <head>! </head>!

Basic Extension (Dialplan Script) exten exten exten exten

=> => => =>

100,1,Answer()! 100,n,Wait(1)! 100,n,PlayBack(hello) ! 100,n,Hangup()

<body>! <h1>Hello World</h1>! </body>! </html>!

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Complex Applications Complex Web Applications

Complex Telephony Applications

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Asterisk Success Factors

• Linux Administration • TCP/IP Networking • VoIP & Legacy Telephony • Script Programming

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What Is Asterisk?

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Asterisk: Platform Hardware

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Asterisk: Operating Systems

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Asterisk: System Service (Daemon)

ast_cli(a->fd, "\n\n");! return CLI_SUCCESS;! }! static char *handle_show_threads(struct ast_cli_entry *e, int cmd, struct ast_cli! {! int count = 0;! struct thread_list_t *cur;! switch (cmd) {! case CLI_INIT:! e->command = "core show threads";! e->usage =! "Usage: core show threads\n"! " List threads currently active in the system.\n";! return NULL;! case CLI_GENERATE:! return NULL;! }! AST_RWLIST_RDLOCK(&thread_list);! AST_RWLIST_TRAVERSE(&thread_list, cur, list) {! ast_cli(a->fd, "%p %s\n", (void *)cur->id, cur->name);! count++;! }! AST_RWLIST_UNLOCK(&thread_list);!

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Asterisk: Modular Channels

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Asterisk: Modular Resources

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Asterisk: Command Line Interface

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Asterisk: Applications & Functions

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Asterisk: Dialplan Scripts

[default]! exten => 100,1,Answer()! exten => 100,n,Wait(1)! exten => 100,n,Playback(! exten => 100,n,Dial(SIP/! exten => 100,n,Hangup()! include -> local!

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Asterisk: Manager Interface (CTI)

[default]! exten => 100,1,Answer()! exten => 100,n,Wait(1)! exten => 100,n,Playback(! exten => 100,n,Dial(SIP/! exten => 100,n,Hangup()! include -> local!

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Asterisk Call Flow

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Asterisk: Call Processing Ring!

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SIP Phone ABC Extension 100

SIP Channel Driver

SIP Phone XYZ Extension 101

PBX Engine

SIP Channel Driver

sip.conf

extensions.conf

[ABC]! type = friend! host = dynamic! context = inside!

[inside]! exten => 101,1,Dial(SIP/XYZ, 20)! exten => 101,n,Voicemail(101)! exten => 102,1,Dial(SIP/PDQ, 20)! exten => 102,n,Voicemail(102)! 21


Asterisk: Connectivity

VoIP – Ethernet Port PSTN – Card Slots

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Asterisk Solutions: PBX

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Digium’s Asterisk-Based Switchvox PBX And Now A Word From Our Sponsors…

http://www.digium.com/switchvox 24


Digiumâ&#x20AC;&#x2122;s AsteriskNOW

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Asterisk Applications: VoIP Gateway

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Asterisk Applications: IVR

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Asterisk Applications: Call Center

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Asterisk Applications: Conference Bridge

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Getting Involved

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The Asterisk Project

http://www.asterisk.org 31


The Asterisk Project: Downloads

http://www.asterisk.org 32


The Asterisk Project: Community

http://www.asterisk.org/community 33


The Asterisk Project: Applications

http://www.asterisk.org/applications 34


The Asterisk Project: Developers

http://www.asterisk.org/developers 35


The Asterisk Project: Documentation

http://www.asterisk.org/docs http://wiki.asterisk.org 36


The Asterisk Project: Support

http://www.asterisk.org/support 37


AsteriskForge â&#x20AC;&#x201C; The Development Center

http://forge.asterisk.org 38


AsteriskExchange â&#x20AC;&#x201C; The Marketplace

http://www.asteriskexchange.com 39


AstriCon â&#x20AC;&#x201C; The Community Conference

http://www.astricon.net 40


Digium â&#x20AC;&#x201C; The Asterisk Company

http://www.digium.com 41


Getting Started: The Asterisk Book Download a PDF copy for free: http://www.asterisk.org/support Or buy at Amazon, Borders, etc.

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Asterisk Training & Certification

http://www.digium.com/en/training/ 43


Recap 1.  Asterisk is an open source telephony engine, project and community. 2.  The Asterisk software transforms commodity computers into powerful communications servers. 3.  Asterisk is similar in concept to the Apache web server: it is the engine that powers applications rather than an application itself. 4.  Asterisk can be configured to perform many different communications functions including powering PBX systems, ACDs, voicemail systems, automated attendants and IVR servers. 5.  Asterisk is ideal for building custom telephony solutions or communications products. 6.  Asterisk is surrounded by a vibrant community of users, developers, integrators, an entrepreneurs.


Polls Three quick polls about your interests in Asterisk.

Questions? Please use the webinar systemâ&#x20AC;&#x2122;s question box.

Download This Presentation: http://www.asterisk.org/files/say_hello_to_asterisk.pdf

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http://posscon.org/assets/Uploads/SayHelloToAsterisk-Rev3b.pdf

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