Profile image of romonzaman
Member since December 8, 2010
5 Recommendations


Online Offline
In one sentence, i am a Django developer with IP telephony experiences. you can hire me if you need to implement a distributed VoIP enabled service that is ready to scale. i doing newfies-dialer customization and maintenance for a long while. and also take projects like PBX, IVR, autodialer development. i have open source project customization experiences, for example, FusionPBX,Newifes-dialer,Astpp v2.0 ,vBilling,kazoo
$50 USD/hr
46 reviews
  • 70%Jobs Completed
  • 98%On Budget
  • 98%On Time
  • 27%Repeat Hire Rate

Portfolio Items

Recent Reviews

  • image of Justin H. add asr support to newfies dialer $350.00 USD

    “Mohammad is a great developer and knows voice application development really well, could use some improvement with delivery on time.”

  • image of I A. Freeswitch install and configuration $166.00 USD

    “I am so glad I found romonzaman. He was very helpful, patient and exceeded my expectations. He is my go-to-person for all VOIP related projects and issues. I highly recommend him.”

  • image of Sebastien B. 1 hour work $30.00 USD

    “Great freelancer , very fast and communication is perfect ! Will hire again”

  • image of Sebastien B. Newfies Dialer installation $222.00 CAD

    “Great freelancer, very professional and fast . Thank you romonzaman ;)”

  • image of Jordi C. astpp & fusionpbbx integration $166.00 USD

    “Very professiona freelancer, I'll alow him to manage my systems since now on.”

  • image of Nsikak A. Software Customization $400.00 USD

    “Amazing speed and quality o IOS Application”



Jan 2012

we are providing freeswitch based VoIP system solution. my responsibility is to manage all things for this company.


Jan 2005 - Dec 2011 (6 years)

manage company's technical team and projects.



1997 - 2003 (6 years)


1994 - 1996 (2 years)


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