Last seen: Aug 27, 2013 9:09 AM EDT
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Rate: $20.00 USD/hour
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M. Zulqarnain

VOIP & System Engineer

Username: mzulqarnain

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Location: Lahore, Pakistan

Member since: September 2008



(15 reviews)

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No user has recommended this freelancer.

My projects:

  • $610 USD
    Profile image for Seller Kevin1013


    Jan 16, 2011

    Excellent programmer, will work with him again, very professional

    Project Description:I am looking for a programmer capable of designing a internet based predictive dialer to be used in a call center. Dialer must have features such as call monitoring and recording. Serious Bids Only Please
  • [Sealed]
    Profile image for Seller paymentwmz


    Nov 8, 2010

    The best Provider OnNet! Work was done before we could finish the cup of tea.

    Project Description:hi We need CDR module for our VPS to display and download call logs for our modules. thanks
  • $250 USD
    Profile image for Seller kellywilde


    Oct 5, 2010

    I am very happy with work done on this project' work was done fast and efficent he did lots of extra work and help use with things beyond what was tendered out would highly recomend him for any projects you may be consideringin a score of 1 to 120 we give hime a 12 all the waythank you Kelly Wilde

    Project Description:need to set up vicidial to sync to vtiger, out going campaigns 2 more carriers config also mysql thank you Kelly
  • $300 USD
    Profile image for Seller paymentwmz


    Jul 21, 2010

    This is greatest SPECIALIST on the Net. Great Man with EXCELLENT support. No look further if u need PRO !

    Project Description:[This is a Private Project. You must be logged in to view the Project Description]
  • $751 USD
    Profile image for Seller VOIP52


    Jun 22, 2010

    excellent service levels. very happy and will use again in future.

    Project Description:we are looking for someone who is a voip expert with lots of asterisk and a2billing knowledge. Please contact us asap.
  • $250 USD
    Profile image for Seller DataComms


    Jun 16, 2010

    spoton hes the man just pay him up front guaranteed to do the work. He also works your hours which is call because off the time difference.thanks

    Project Description:This is the problem i am having, load balancing is working fine. I need someone to fix the IP authentication >> Well, I am trying to achieve following: >> Client IP: x.x.x.x >> OpenSIP: y.y.y.y >> Asterisk: z.z.z.z >> >> 1) Client -> OpenSIP (Load_balancer) -> Asterisk1, Asterisk2......
  • $75 USD
    Profile image for Seller wylex


    Jun 3, 2010

    Good provider with great communication and excellent work. I would recommend him anytime.

    Project Description:_Please if you can not deliver don't bid. -I need someone who can configure a2billing to work as a wholesale billing for asterisk in my system. -Everything is already installed. I just need someone who can edit it, patch it to make it work as a wholesale billing application...
  • $250 USD
    Profile image for Seller reduxvoz


    May 26, 2010

    Excellent professional, good knowledge

    Project Description:- calling card application - Paypal payment setup - Rate Setup - Callback Setup - Providers Trunks - Rates
  • $219 USD
    Profile image for Seller reduxvoz


    May 6, 2010

    Very good work, will use again in future projects

    Project Description:I have a working elastix system 1.6 and would like to upgrade from a2billing 1.3 to 1.7 and setup: Rate plans Costumers Payment gateways Costumer Interface Invoices Prepay and post pay paiments
  • $50 USD
    Profile image for Seller geevarcb


    Mar 18, 2010

    mzulqarnain as always, excellent & lightning fast :) this is second time I am using him, now he has become a friend. Done my job in less than 2 hours, If you are building any products on VOIP, I recommend all of you to consider mzulqarnain. He is very supporting, communicative and has in depth knowledge about VOIP.

    Project Description:PC2Phone Dialer Customization
    M. Zulqarnain has not completed any projects.
    M. Zulqarnain does not have any work in progress.
  • $150 USD Feb 1, 2014

    i need voip mobile dialer for all platform without blocking means u contact me i will give u full details

  • $200 USD Aug 26, 2013

    Hi,Please let me know if you know how to setup VoIP Bandwidth Optimization For VOIP GSM Gateway ..which can save the Bandwidth..nnnnThx

  • $20 USD/hr Jan 25, 2013

    You Need VOIP Solution ? I have 11 years of experience and expertise to build your business from first brick to production. Expertise in major Open Source and Commercial market in Gulf area (UAE.KSA.Oman,Kwait, Quater, Bahrain.)I am doing VOIP Card saler..................

  • $20 USD/hr Jan 9, 2013

    we are looking for complete voip billing and routing system in using asterisk we will need complete project done with source code and on going post development support. we will need for wholesale buy sell routes Call shops Calling cards Resellers III modulesEasy interface

  • $50 USD Sep 28, 2012

    Have asterix server (elastix version) set up. Trunks and phones work. Elastix uses postfix mail server integration. I can not get postfix set up properly. Need professional to look at config and set up one mail box that can receive and send via ssh. Estimate 2 hours or less to complete job (maybe less than one hour) but will pay $50 usd for completion.

  • $20 USD/hr Sep 17, 2012

    I want to penetrate communications programsDo you have a vulI am a hacker and I want to learn to steal voip or sip

  • $10 USD/hr Sep 7, 2012

    Our main goal to minimize the BW in client side with good quality of voice .We need some kind of bandwidth compression system ( upto 60-80% than usual SIP calls )from Server A to Server B.Server A = Asterisk server Server B = Asterisk Client server Explanation of scenario:1. server A ( asterisk server, with static IP) receiving VoIP calls , with sip protocol, using G711,G729 and/or G723.1 codec and sending calls to Server B2. Server B ( Asterisk server with PRIVATE NETWORK IP), receiving calls from server A

  • $50 USD Feb 22, 2012

    Hi,I"m trying to implement a small function on asterisk (vicidial) and would like to contact you about this. It"s basically a ring and hangup function that could be applied either through the dialplan or whatever easy way, but I would like to explain this maybe over the phone....Kind regards,Kingsley

  • $300 USD Dec 16, 2011

    I want to set up VOIP business and need A2billing software or similar billling platform and possible hosting plan. Please give me your best price for the complete package.1) billing software2) Soft switch3) Website with payment cart and on-line registration( Can clone PBX softwareCan use my laptop as server Spec: Intel Pentuim P6100, 4GB DDR3 Memory, 500GB HDD at present have Windows 7 installed. We can use this for trial purpose, but need to move on to a larger hosted server in about 6 months time. Please give your best price in Pak Rupees and time frame

  • $2 USD/hr Dec 6, 2011

    Dear Sir/Madam,We CASIMO BVBA are Belgium based company & we are doing Import & Export business here from last couple of years. We have found your contact through one of our close business related friend. He has facilitated your web address so that we can directly keep in contact to your company.As we have been doing business here, we have lots of contacts with different types of mini business dealers. I have read the information provided on your website but as i have no experience in this field, it is hard for me to understand each and every aspect provided in your web. This is why i need your kind guidance to explain me in some simple word about the services you are offering. Apart of that, i would like to explain you a bit about what we are looking for. As we have observed that there are a lots of mini & valuable business opportunities here in Europe in several countries such as, Belgium, Spain, Netherlands, France, Germany, Italy etc... We have many contacts with small business holders in those countries. Now lets come to the point, what do we want? We would like to provide Internet calling services such as Voip. As there are a lots of "Public Call Offices" in the above mentioned countries which are mostly hold by foreigners. We would like to be their main, basic & cheaper provider to provide them the Internet calling facilities through Voip or any other systems you refer to us. And this all we need to make multiple simultaneous calls at the same time from one PC to several destinations, how does it possible? There are far more benefits for us & for your company of-course if we have such possibilities.Please provide us your worldwide rate list too.So, if you need any further information, please do not hesitate to contact with me anytime & i hope that you will guide us in right way and will provide the required information as soon as possible so that we start this work. Hope to hear from you soon enough until then Have a very nice time. Best of Luck.Best Regards,M. TAHIR(Sales Manager)

  • $200 USD Jun 25, 2010

    Opensips Instalation and Configuration

  • [Sealed] May 9, 2010

    [This is a Private Project. You must be logged in to view the Project Description]

    M. Zulqarnain does not have any open projects.
    M. Zulqarnain does not have any work in progress.
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VOIP Consultant

Jan 2005 - Present (9 years)


just to say that it's being around 8th Year I am in VOIP profession.



Allama Iqbal Open University





Cisco Certified Network Associate



Cisco Certified Network Associate (VOICE)

Digium Certified Asterisk Administrator


The Digium Certified Asterisk Administrator (dCAA) program is intended to validate basic competency with Asterisk. It requires general telephony and VoIP knowledge as well as specific Asterisk knowledge related to installing, configuring, and administering an Asterisk system. dCAA certification lasts 2 years and is awarded after earning a passing score on the dCAA examination.




Not applicable