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Dmitry Sytchev | Elance
 
176985602337900
Last Sign-in: Nov 17, 2015

Dmitry Sytchev

Asterisk/FreeSwitch expert, VoIP developer
   Russia
  |   Saint Petersburg, Saint Petersburg City
  |  5:27 am Local Time

Overview

Minimum Hourly Rate $33

I have more than 10 years of experience in installation and support of carrier-grade VoIP services based on Asterisk, OpenSIPS, Kamailio, Freeswitch and proprietary SIP/VoIP software.
My professional interests are Callcenters and interoperation between company information flows and VoIP systems.
I've developed complete SIP solutions for VoIP carriers worldwide: Proxy/Registrars, IVR, prepaid systems, multi-tenant VoIP switches, hardware PSTN gateways (Cisco, Audiocodes Mediant).

As a programmer I use PHP, Javascript (both client-side using...

Read More »
Aug 17, 2015|System Administration|Private|Completed
|
5.0
Sep 18, 2014|Web Programming|Private|Completed
|
4.9
Sep 2, 2014|System Administration|Private|Completed
|
5.0
Aug 31, 2014|Other IT & Programming|Private|Completed

View All »

Portfolio

This is an utility for packing/unpacking of Cisco IP Phone firmwares based on...
https://github.com/kbdfck/cnu-fpu

Skills (10)

Tested
Linux
My Score
avg
Computer Networking
My Score
avg
LAMP
My Score
avg
Firewall Concepts
My Score
avg
CCNA
My Score
avg
Kamailio
FreeSwitch
SIP

Service Description

Installation and support of Asterisk / FreeSwitch / FreePBX / FusionPBX systems
Creating SIP services based on Kamailio and custom routing rules
Development of web-based VoIP services, including fax gateways, outbound dialer campaigns admin panels.

Setup and deployment of SIP PSTN Gateways (PRI/SS7)

Custom callcenter solutions based on Asterisk. Sophisticated call flow cases.

Linux administration. MySQL database setup and maintenance.

Read More »

Education

IFMO
Master of Applied Math
2000 - 2006
Overview  |  Job History  |  Portfolio  |  Resume/C.V.

Keywords

Asterisk
IP Phone
FreeSwitch
VoIP
Kamailio
FreePBX
Linux
SIP
PBX
PHP Perl MySQL Javascript
My Snapshot
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Elance Level
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  • 12 months
  • Lifetime
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Private
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Identity
Username
dsytchev
Type
Individual
Member Since
July 2014
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Dmitry Sytchev | Elance

Dmitry Sytchev