Raj S.
sr. software engineer
Raj S.
  • Country: India | Asia/Kolkata

  • Availability: Full-time : 30+ hrs/week

  • Currency: INR

  • Hourly Rate: $17/hr

  • Member since: Dec 15, 2018

About Me

Having six and half years experience in Asterisk (Development, Support, and Configuration) Using Mysql Database, Linux Shell scripting, AGI Scripting and Perl Scripting. Worked with Humonics Global Private Limited from 5 December to 24 May 2018 Worked with Elision Techno lab as Sr. VoIP Engineer, located at client site in Girnar Soft (Car dekho) Jaipur. Worked with Navigant Technologies as Dialer Engineer from 27-April-2015 to 15-July -2016. Worked with Girnar Software (Car Dekho) as Assistant Asterisk Engineer from 4-august-2014 to 22-April-2015. Worked with A1-Tecgnology from 21-October-2013 to 01-May-2014. Worked with ATS Service Pvt. Ltd. (Advanced Technology Support) from 3 Sep 2012 to 21-Oct-2013. And worked with Packet-Shaper Technology Noida as a Asterisk Engineer in (SIP,VOIP,IAX2) from 29 January 2010 to 10 May 2012 in Dialer that is used in call center as Inbound and Outbound Calls using language ASTERISK and handle LINUX Operating System (Centos 5.3,4, Red hat ,Fedora). Job Responsibility – Current Project – IVR Integration with Chat bot System using asterisk 13 and above version with FreePBX. With Speech to text and text to Speech (Speech Recoginition). ChatBot is also integrated with vicidial( in cloud) for inbound and outbound calls after that call will transfer to live agents. Asterisk Free PBX, Asterisk ARI, ACD (Automatic Call Distribution). Project worked on – Worked on vicidial project. Asterisk Dial Plan Creation, context creation in dial Plan (using database mysql). Asterisk dials plan security, Asterisk(.call files) generation. Voice mail in asterisk Asterisk fail Over, PRI fail Over, Call forwarding in inbound calls Asterisk Conference Bridge. AGI scripting, shell scripting, Kamailio- Asterisk. IVR (Interactive Voice Response) -> IVR Development – IVR Blaster, Force IVR Development, Optional Menu Blaster. Dialer (Inbound and Outbound configuration using the master List). DID configuration, Callerd ID Creation for outbound calling. SIP to SIP calling. GSM Gateway Configuration. Connect GSM gateway to vicidial using SIP for inbound and outbound. Customization development in vicidial and go-autodial. Inbound DID configuration with IVR tree. Call menu creation. Asterisk failover, PRI failover. Asterisk clusterserver. Ring all feature for inbound call in vicidial. Wishper facility in vicidial (Can hear the customer and agents). Mysql database (INDEXING, Join, and Union), Mysql Database Engine andrepair, Creating link MysqlUsing FEDERATED data base Engine. Mysql with Cursor Store Procedure and store functions, table backup. Mysql Optimization. Mysql replication. Asterisk channel configuration and group configuration. Asterisk Security (IPtables, IP Chains Fail2ban Security), TLS Linux Server Installation, Server configuration, Server backup. Linux (OS) file System Recovery (Using Mounting). Linux Shell Scripting (Writing shell scripting). Crontabscheduler in Linux (For Script scheduling) Installing Mysql in Linux (Centos, Red hat, and Fedora-Core). Asterisk and Asterisk addonspackage Installation and Dialer Configuration. Voice Broadcasting in vicidial and goautodail. Configuration of Vicidialer2.2, 3.3 go-autodial 2.2, 3.3 PRI Configuration on asterisk. CRC setting in PRI, Channels Configuration, DAHDI in PRI. Setting up E1/PRI Connections. Using custom fields in vicidialer and goautodialand also using FIFO, LIFO and Filter logic in vicidialer&goautodial. Adding and Managing SIP Lines that connected to the PBX and Dialer. Assist in managing and debugging Asterisk Predictive Dialer. Maintaining installed Asterisk services installed a variety of capacities. (Predictive Dialer, GO-AutoDialer 2.0, Vicidialer 2.3, 3.3 with asterisk 1.4.39.1 version).

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