VoIP Drupal Framework DrupalCon Prague
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The document describes VoIP Drupal, an open source software platform that enables Drupal sites to integrate voice and text communication features like making phone calls, playing audio, and sending SMS. Key benefits include facilitating unified communication systems, making Drupal accessible by phone, and enabling visual programming of VoIP features without coding. The platform provides modules and APIs to integrate popular VoIP servers and allows customizing solutions for uses like call centers, surveys, and community radio programs.
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VoIP Drupal Framework DrupalCon Prague
- 1. VoIP Drupal building sites that answer calls, send SMS, and more Tamer Zoubi tamerzg@gmail.com
- 2. History The first beta version of VoIP Drupal was launched in March 2011. 20+ contrib modules until now We are currently promoting the platform and building more systems on top of it. Supported by TerraVoz, a spin-off from the MIT Media Lab
- 3. VoIP Drupal is A software platform that enables Drupal sites to Make and answer phone calls Play and record audio messages Send and receive SMS Organize conference calls Implement voice menus and call routing Run polls, surveys, and many more things
- 4. The goal of VoIP Drupal is to provide a common API and scripting system that interoperate with popular Internet-telephony servers (Asterisk, FreeSwitch, Tropo, Twilio, etc) Dramatically reduces the learning and development costs associated with the construction of unified communication systems that combine voice and text technologies together.
- 7. VoIP script commands addSay() , to play audio from URL or read text-to-speech text addRecord(), to record audio input from user addGetInput(), to read input from the telephone keypad addRunIvrMenu(), to execute interactive voice response menu addBeep(), to play beep sound addJoinConference(), to connect the current call to the specified conference room addGoto(), addGotoIf(), addGoSub(), to control flow of script Further modules can easily extend script commands like Tropos addGetVoiceInput() to read input using speech recognition.
- 8. $script = new VoipScript('hello_world'); $script->addSay('hello world'); $script->addHangup(); Hello world
- 9. $script = new VoipScript('voipscript_small_office_ivr'); $script->addSay(t('Welcome to our office hotline.)); $script->addLabel(office_menu); $options_menu = t(For sales, dial 1. For customer support, dial 2. For hours of operation, dial 3. To hang up, dial the star key.); $input_options = array( 1 => sales, 2 => customer support, 3 => hours, * => hang up, I => hang up, t => hang up ); $invalid_msg = t(Invalid option selected.); $script->addRunIvrMenu($options_menu, $input_options, $invalid_msg); $script->addGoto(%ivr_option_selected); $script->addLabel(sales); $script->addSay(Sales department); $script->addGoto(hang up); $script->addLabel(customer support); $script->addSay(t(Customer support department)); $script->addGoto(hang up); $script->addLabel(hours); $script->addSay(t(Our office is open Monday to Friday from 9am to 5pm.)); $script->addGoto(office_menu); $script->addLabel(hang up); $script->addSay(t(Thanks so much for calling our office. Bye bye.')); $script->addHangup(); Office hotline
- 11. Key benefits of the platform Facilitates the construction of unified communications systems integrating SMS, email, web, and voice Makes Drupal accessible from any phone no data plan required! Enables the expansion of community plumbing beyond the web Is open source and free you are in control
- 12. Benefits for administrators Easy installation and configuration no programming required Fully customizable enable only the features you need Run as part of the Drupal system itself Enable access to VoIP Drupal features using roles and permissions Assign Rules, Actions and Triggers Enhance user interaction with ready-to-use audio blogs, click-to-call fields, phone recorders, audio announcements, etc. Visual programming language for non-coders. (http://drupal.org/project/vvd)
- 13. Benefits for developers Well defined API that can be extended to other VoIP services 20+ sample scripts that can be customized 20+ modules that already implement common functionality no need to reinvent the wheel Simple, yet powerful PHP-like scripting language with a short learning curve Easily switch to another VoIP provider without porting your applications.
- 14. Demo How to configure VoIP Drupal with one of VoIP providers (Twilio) How to write your first VoIP Script How to receive your first VoIP Drupal call
- 15. Ideas Go Out to Vote campaigns 2-1-1 and 3-1-1 community hotlines Call centers Phone- and SMS-based surveys Group communication Story recording / playback Audio speed dating services Language training Audio tours Adventure games Interactive community radio programs Emergency announcements And much more!
- 16. How to contribute Migrate VoIP Drupal to 8.x Many of contrib modules are still 6.x https://drupal.org/node/1078790 Come up with new out of box solutions Explore and spread the word
- 18. Source code: http://drupal.org/project/voipdrupal General documentation: http://drupal.org/node/1078710 API information: http://drupal.org/node/1155572 Sandbox: http://voipdrupal.org Discussion group: http://groups.drupal.org/voip-drupal Useful links
- 19. Thank you for listening!
Editor's Notes
- #3: First of all let me introduce you a bit history behind Voip drupal framework. In march 2011. we issued first D6 beta version. Even if it is a beta its stable to use on production servers. 2012. Until now there are 20+ contrib modules that integrate with VoIP Drupal framework. Recently D7 version released. Voip drupal framework is sponsored by MIT media lab and since couple of months ago it got its own spin off company called TerraVoz.
- #6: Here we can see Voip drupal modular structure. On the lowest levels there are implementations of different VoIP providers. Currently we support Twilio/Tropo /Plivo Cloud and recently we added support for KooKoo which gives you voip services in cloud. Calls starts from 1c/min, dedicated numbers from $1/month, and you can get local numbers in more than 30 countries. Fourth provider we support is Plivo Framework, which is open source framework between PHP and Freeswitch, which you install on your server. In the middle we have voip module which is the unified API between providers and contributed modules. At top we have contributed modules which is actual implementation of different use cases using the VoIP drupal framework. As a developer when you write a module, you dont need to know individual specifications of different VoIP providers.
- #7: Here we have our web server with Drupal + Voip drupal framework installed. Usually users access our server through web browser from their computer, tablet or smart phone. VoIP Drupal enables access to other users through regular telephone line or mobile phone without browser or internet. That happens through Voip provider like Twilio/Tropo, which provides us with outbound/inbound voice calls, dedicated numbers and SMS. Voip drupal framework serves content to user via voip scripts. So that you know, some of these services cost $1/line/month get a line in a couple of seconds For the countries that are not covered, there are several alternatives. One of them is Plivo/FreeSWITCH
- #8: VoIP script is set of elements and commands which developer can use to decide what will user hear through the phone or see in text message. With 10-15 commands we can do all sorts of cool things.
- #9: Example of simple scriptHello world Similar to PHP Developer needs just couple of hours to learn the syntax. Dont expect developers to have to spend more than a couple of hours to get a good sense of how things work
- #10: More advanced example of what we can do, such as this Voice menu. VoIP Drupal comes with about 20 sample scripts Inside those commands you can call any Drupal or PHP function
- #11: VVD module: http://drupal.org/project/vvd For beginners
- #14: For programmers no need to know individual Voip provider APIs.
- #16: Some of the ideas what we can build with VoIP Drupal framework Lets discuss some ideas for VoIP Drupal. How do you see VoIP Drupal helps you in your project? What features would you like to see in next version?
- #17: We need your help
- #19: I ask you to join voip drupal group, so you could get all latest news and invitations to many free webinars related to this framework. On voipdrupal.org you can try everything we talked about, without the need to install at your own server.