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$40 USD / hour
Flag of BULGARIA
sofia, bulgaria
$40 USD / hour
It's currently 5:28 PM here
Joined October 22, 2009
1 Recommendation

Arsen S.

@eurolan

5.0 (18 reviews)
5.1
5.1
72%
72%
$40 USD / hour
Flag of BULGARIA
sofia, bulgaria
$40 USD / hour
90%
Jobs Completed
100%
On Budget
100%
On Time
5%
Repeat Hire Rate

VoIP Administration & Development

Hi, my name is Arsen I am a team leader of Eurolan. We are small and well-established international team of developers and linux/bsd administrators. We are only focused in VoIP field and we are working here more than 7 years. Our area of experiences includes: VoIP -Asterisk PBX: Full proficiency -Freeswitch: Full proficiency -Strong knowlege of SIP protocol and SIP routers/proxy servers -OpenSER (Kamailio/OpenSips) -Load Balancing, Least Cost Routing, High Availability, NAT Traversal, Rate and billing systems, etc. -IVRs/Auto Attendant Development. SQL -MySQL/PostgreSQL - design, maintenance and optimization of databases -NoSQL - MongoDB Various Billing solutions: -A2Billing: Full proficiency (configuration from scratch, customisation) -CDRTool (prepaid billing/accounting and sip tracing for OpenSIPS using RADIUS) -CDR-Stats (call detailed statistic/realtime stat for asterisk and freeswitch) - vBilling (billing for Freeswitch) We successfully completed a large amount of commercial installations of VoIP PBX servers. From SOHO to Enterprise deployment including integrating of various VoIP solutions into existing network environment. We also have experience in building of secure "bastion" VoIP/Linux servers. Current hourly rate is $40. Fixed price projects are calculated based on the hourly rate and expected task complexity. If you choose our service we will start work on your project immediately, and we will provide you with all updates as soon as it possible. Thank you.

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Portfolio

500158
497531
149485
149427
500158
497531
149485
149427

Reviews

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Showing 1 - 5 out of 18 reviews
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5.0
$60.00 USD
Arsen is one of the best freelancers I worked with, he is very competent and supportive.
PHP
Linux
Asterisk PBX
VoIP
MySQL
+1 more
M
Flag of Mohamed K.
@MK18
•
8 years ago
5.0
$150.00 AUD
A great professional.
User Avatar
Flag of Massimo I.
@ultimomiglio
•
11 years ago
5.0
€110.00 EUR
Everything works fine and great support
Asterisk PBX
User Avatar
Flag of Kristof D.
@dcinbe
•
11 years ago
5.0
$250.00 USD
It is absolutely impressive the way Arsen is knowledgeable about A2Billing / Asterisk / VoIP, he is a first class professional who knows what he does and completes the tasks very confident to the genuine satisfaction of his employer. Thank you Arsen for a Job well done and I will always solicit your services in the near future.
PHP
System Admin
Linux
Asterisk PBX
MySQL
User Avatar
Flag of Khaled B.
@afkaro
•
11 years ago
5.0
$150.00 USD
Gra8 Job and quick reply
Website Design
Linux
Asterisk PBX
VoIP
Y
Flag of Yehoshua J.
@ysj3010
•
12 years ago

Experience

Senior VoIP administrator

Gamasu
Apr 2010 - Present
Voip administration and development.

Voip Developer

Nextmedia
Dec 2009 - Mar 2010 (3 months, 1 day)
Development of the Billing system for wholesales VOIP customers.

System Administrator

Logicall
Jan 2007 - Nov 2009 (2 years, 10 months)
Administrating and maintenance of servers and network applications, integrating new hardware/software solutions for VoIP telephony ( CRM, billing systems). Voip Development.

Education

Engineer

Rossijskij Gosudarstvennyj Universitet Nefti i Gaza im. I.M. Gubkina, Russian Federation 2001 - 2006
(5 years)

Qualifications

Digium-Certified Asterisk Administrator (dCAA)

Digium, Inc.
2012

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Certifications

general_orientation.png General Orientation Exam 1 95%
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Top Skills

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