Mohamed Fahim

Mohamed Fahim

Expert in Asterisk, A2billing, Elastix and AWS, Cloud telephony

Colombo, Sri Lanka



What's the difference

Over the last nine years I have actively engaged in designing and implementing VOIP telephony related infrastructure which involved in installation, provisioning and commissioning of highly complex VOIP solutions using Asterisk, A2billing, Elastix, Asternic, PIAF, Trixbox and Amazon AWS cloud telephony, Azure, HP Cloud, Rackspace and Digital Ocean Asterisk telephony installation. Provides call centre solutions using Asterisk, A2billing and Asternic. G729/G723 codec installation also Genband C3, …


Work History & Feedback

Cisco IVR scripting consultation

Fixed Price $5
“I' ve hired him for Cisco IVR, but I didn't mentioned in the title of the work.”


Asterix phone system configuration and troubleshooting

0 hrs @ $14.44/hr
Earned $2
“Worked well. Knowledgeable and professional.”


DD-WRT QoS Customization

12 hrs @ $14.44/hr
Earned $171
“It was a pleasure working with Mohamed. He gave insight and guidance for what turned out to be a superior solution. He successfully implemented the solution and everything is working well.”



176 hrs @ $12.22/hr
Earned $2,106
“Extremely capable and innovative provider of VoIP support and design. Fahim is also very very good with networking and provided a lot of advice on N/W performance even though it was outside the scope of his contract. Communication skills are very good. I keep in contact with Fahim and will undoubtedly use him again in the future.”


Install A2billing on Asterisk FreePbx Centos

Fixed Price $250
“It was a pleasure to work with him, thanks . Hi will be our asterisk and A2B guru”


Asterisk system configuration

Fixed Price $1,111
“Very good, quick and professional job. I recommend this contractor.”


Asterisk / PBX / VOIP expert to train a french team in France (the team can speak english)

9 hrs @ $16.00/hr
Earned $139
Job in progress

Tests Taken
Name Percentile Score



Networking Concepts Test


Voice Over IP Test


oDesk Readiness Test for Independent Contractors and Staffing Managers