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EXPLORE
4.2
4.2
100%
$30 USD / Hour
・
Poland (3:52 AM)
・
Joined on August 26, 2010
・
1 Recommendation
$30 USD / Hour
・
14 years of professional experience in VoIP and telecommunication includes in-depth knowledge of Kazoo,Freeswitch, Kamailio/OpenSIPS, Asterisk PBX. Main skills is design and deploy multitennant load balanced VoIP systems with failover include realtime prepaid billing system. Other already done projects such like: - Conference servers (Asterisk,Freeswitch) - web based billing system - postpaid,prepaid (A2billing - Asterisk) - realtime prepaid systems (Freeswitch + Cgrates) - web based voice broadcast system (autodialer) - SS7 gateways (Asterisk,chan_ss7) - Fax2Email system - Skype gateway (Asterisk) - SMS gateway (2N Stargate) - web based campaign system with agents interact (call/contact center) - FreePBX / Elastix configuration
Reliable and competent. Hire again in future.
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Mark T.
$300 USD
Excellent freelancer - very happy to use again.
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Fouad D.
$450 USD
he was taking care about my VOIP GW, smart and efficiant technical intervention, get the procedures quickly and had best communication with him i will use his services again thanks
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Choosed this GAF newcomer because of good conversation using PM. Marcin did a very good job! Configure PBX like required, link cool SKYPE-integration technologies and shows me a solution how to connect our office Alcatel-PBX to the asterisk. Full service ! The communication was really good using IM/email - alsway available. GMT+2 helps me also. Will going with Marcin doing additional work on our PBX. I can definitly recomment this provider.
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On budget
100%
Accept rate
57%
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