Muhammad Sohaib
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Muhammad Sohaib

VOIP Developer, Asterisk, A2billing, Freeswitch , AGI, IVR, PHP, MYSQL


Lahore, Pakistan


I have more than 5 years of experience with different tools of VoIP Especially Asterisk. I got hands on experience of Asterisk, Click2Call, Callback, A2billing, Vicidial and AGI custom script writing, IVR development using PHP, Mysql. I have the ability to learn new technologies through the use of self-study materials and intuition. I pay close attention to details while performing technically detailed tasks. I have reasonable experience with: - Asterisk distinctive Dial Plans and IVR - A2billing customization and Redesign - Asterisk Integration with Web Applications and CRM. - IVR development - AGI script writing - VICIDIAL a predictive and auto dialer redesign ... moreand customization - FreePBX and Trixbox for small office/home offices I have been working in a challenging and competitive environment where I practically applied and improved my technical knowledge & experience acquired from my education & career, concurrently groom my personality by working in a team of competent individuals. less

Work History and Feedback

  • Dec 2012 - Feb 2013

    freepbx / a2billing help

    No feedback given

    3 hours
    $27.78 / hr
    $83.34 earned

  • Dec 2012

    Upload Payments
    Difficult Project, Excellently Done
    $410.00 earned
    Fixed Price

  • Sep 2012 - Dec 2012

    VoIP Admin

    No feedback given

    16 hours
    $22.22 / hr
    $362.85 earned

  • Oct 2012

    Asterisk Server, PHP
    He got me up and running fast !!!! and checked some firewall settings as well. I will use again!!!
    $150.00 earned
    Fixed Price

  • Oct 2012

    Asterisk Setup
    100% recommended. We always use him for our vicidial server.
    $177.78 earned
    Fixed Price

  • Aug 2012 - Oct 2012

    Configure A2billing
    excellent Developer.Highly recommended for any VOIP work. Thank You
    $100.00 earned
    Fixed Price

  • View More (19)

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Name Score (out of 5) Time to Complete
TCP/IP Test 4.75 Top 10% 27 mins
CISCO Test 4.60 Top 10% 25 mins
Voice Over IP Test 3.00 Top 30% 31 mins
Windows XP Test 4.25 Top 10% 40 mins
Upwork Readiness Test for Independent Contractors and Company Managers 4.20 Below Average 45 mins

Work History

70% Job Success
249 hours worked
39 jobs


More than 30 hrs/week


Phone Number: Verified

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