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Muhammad Rahat Rayhan | Elance
 
176985602337900
Last Sign-in: Nov 14, 2016

Muhammad Rahat Rayhan

Next Generation Unified VoIP Telephony Developer
   Bangladesh
  |   Dhaka Metropolitan, Dhaka
  |  10:19 pm Local Time

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Overview

The VoIP Telephony is entering a new phase of evolution.
The spread of participatory information-sharing over the world, combined with recent improvements in lower cost internet access in developing countries, has opened up new possibilities for Next Generation VoIP Telephony Applications and Unified Communications.

However, most people in the VoIP industry would agree that VoIP now focuses on several major themes, including multimedia, video, fax, presence, collaboration and media sharing. While the innovations and practices of VoIP will...

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Oct 23, 2014|System Administration|$0|Completed

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Portfolio

I have installed the core infrastructure for a VoIP Business Operator with FOSS like...
I hame installed Kamailio and Siremis web interface for my client. I have also...

Skills (10)

Tested
SIP
FreeSWITCH
Kamailio
U.S. English Basic Skills Test
My Score
avg
HTML 4.01 Test
My Score
avg
Passed

Service Description

As a VoIP Softswitch Developer, I will be part of a team responsible for developing the softswitch, optimizing and expanding the softswitch¿s platform functionality and integrating new technologies with other platforms. I will also be required to design, develop, and implement new technologies and maintain them after their release to production.
I am an excellent problem-solver and diagnostician, and able to work directly with the business side to conceive and implement creative solutions to real-world problems. I will be a key contributor to client's growth and facilitate the emergence of client's solution as a leader in its industry.


I am :

Familiar with Open Source VoIP systems, mainly based on Asterisk and FreeSwitch.

Familiar with class4-class5 Soft Switches.

Familiar with VPN and data encryption.

Familiar with VoIP protocols: SIP, MRCP, ISDN, BRI, E1 (PRI/SS7/R2), IAX2, RTSP, RTP, RTCP

Familiar with Asterisk, CentOS, Debian, Ubuntu, Postfix, FreePBX, Elastix, A2billing, Opensips, Kamailio, Voice Broadcast, Vicidial, Goautodial, Newfies, Click2Call Solution and many more related to VoIP industry.
I have the ability to configuring and troubleshooting of IP networks.

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Employment

Maestro USA Communication Inc
Programmer
2010 - 2014

Education

Rajbari Govt. College
Higher Secondery School Certificate
- 2003
Sher-E-Bangla Govt. Boys' High School
Secondery School Certificate
- 2001
Overview  |  Job History  |  Portfolio  |  Resume/C.V.

Keywords

BillingApps
VoIP
ResellerSystem
SIP
CallCenter
FreeSWITCH
CarrierService
Kamailio
ITSP
Siremis
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Identity
Username
rahatray
Type
Individual
Member Since
December 2013
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Muhammad Rahat Rayhan | Elance

Muhammad Rahat Rayhan