Building A Telephony Application With FreeSWITCH and Lua:

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Presentation transcript:

Building A Telephony Application With FreeSWITCH and Lua: William Dale, PE San Diego CA Employee Time Clock William Dale, PE - Cluecon 2011 – www.labortimetracker.com

William Dale, PE - Cluecon 2011 – www.labortimetracker.com Intro Overview William Dale, PE - Cluecon 2011 – www.labortimetracker.com

William Dale, PE - Cluecon 2011 – www.labortimetracker.com Technology Stack Debian 6 (Squeeze) Freeswitch Apache JBoss PostgreSQL Perl Future Technologies No SQL CDN Global DNS Jester? Gemeinschaft? Sangoma? Overview William Dale, PE - Cluecon 2011 – www.labortimetracker.com

Architecture Overview PSTN Gateway (Inbound Phone Call) Com Server (FreeSWITCH) ✓ Dial Plan Lua Script Mod_CURL PSTN Gateway COM Server Application Server Database Server Database Exec Stored Procedure Web Service Querystring Parameter (HTTP Get) Overview William Dale, PE - Cluecon 2011 – www.labortimetracker.com

Route Phone Call to FreeSWITCH Contract with PSTN Provider SIP Trunk Toll Free Inbound Secondary SIP Trunk Register Gateway with FreeSWITCH PSTN Gateway (Inbound Phone Call) William Dale, PE - Cluecon 2011 – www.labortimetracker.com

William Dale, PE - Cluecon 2011 – www.labortimetracker.com FreeSWITCH Register Gateways (SOFIA STATUS) Enable Modules Mod_flite Mod_curl Configure Dialplan Regex the Inbound Number(s) Transfer inboud call to extension 5050 Exec Lua script based on extension Com Server (FreeSWITCH) ✓ Dial Plan Lua Script Mod_CURL William Dale, PE - Cluecon 2011 – www.labortimetracker.com

William Dale, PE - Cluecon 2011 – www.labortimetracker.com Web Services Setup Listener Security Source IP SSL TOKEN Return values XML CSV Fix Length String Value Web Service Querystring Parameter (HTTP Get) William Dale, PE - Cluecon 2011 – www.labortimetracker.com

William Dale, PE - Cluecon 2011 – www.labortimetracker.com Sound File Processing Process wav files Convert to compressed format MP3 OOG Create Work Flow Use folders Convert to mp3/ogg Post to web services Asynchronous call Clean up Web Service REST nginx William Dale, PE - Cluecon 2011 – www.labortimetracker.com

William Dale, PE - Cluecon 2011 – www.labortimetracker.com Call Database Database Call Exec Stored Procedures Pass in parameters Performance Keep within 40 – 80 ms. Database Exec Stored Procedure William Dale, PE - Cluecon 2011 – www.labortimetracker.com

Freeswitch Enabled Features Group communications Employee send messge Play Supervisor/Group Voice Verification Expenses Mileage Tips Sales William Dale, PE - Cluecon 2011 – www.labortimetracker.com

William Dale, PE - Cluecon 2011 – www.labortimetracker.com DEMO Application Login into Freeswitch (fs_cli) Labor Time Tracker (Web App) Call Toll Free Number Enter Job/Department ID Enter PIN Employee has punched timeclock! William Dale, PE - Cluecon 2011 – www.labortimetracker.com

Building A Telephony Application With FreeSWITCH and Lua: Question and Answers wdale@utiliware.com William Dale, PE - Cluecon 2011 – www.labortimetracker.com

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