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Avatar do Usuário
$25 USD / hora
Bandeira do(a) RUSSIAN FEDERATION
$25 USD / hora
No momento são 11:11 AM aqui
Entrou no Freelancer em agosto 11, 2016
6 Recomendações

Sergey S.

@Asterisker

5,0 (49 avaliações)
5,2
5,2
$25 USD / hora
Bandeira do(a) RUSSIAN FEDERATION
$25 USD / hora
100%
Trabalhos Concluídos
100%
Dentro do Orçamento
100%
No Prazo
21%
Taxa de Recontratação

I have 10 years experience as Senior VoIP engineer

Work with VoIP and PSTN, experience with the signaling protocols: SIP, SDP, RTP, IAX2, H323, SS7, TLS, SRTP. Interfaces DAHDI, AMI, AGI, PRI. Setting up and supporting Call centre, about 30 operators. Setting up VoIP using Freeswitch, Asterisk, Kamailio, dialplan creating, developing FreePBX module code, PHP, bash. Assisting developers with any service-related issues or feature requests. Reporting based on CDR, CEL, queue_log database data. Configuring VoIP gateways Cisco, Addpac, Linksys, Snom, Polycom, GrandStream. PSTN ATS Panasonic KX-TDA. Auto-provisioning with xml files via TFTP, HTTP, HTTPS protocols with own Web GUI. Testing with SIPp. Debuging with Voipmonitor, Homer, sngrep, tshark. Data quality for associated reporting systems. Configuring and monitoring VoIP equepment with Zabbix, Nagios, Monit, MRTG Extensive experience administering Linux [login to view URL] Apache, NGINX, DNS DHCP TFTP MySQL. Some experience with virtualization on VMware ESXi
Freelancer Asterisk PBX Developers Russian Federation

Contate Sergey S. para falar sobre o seu trabalho

Entre para falar sobre qualquer detalhe pelo chat

Itens de Portfólio

Transcribing phone audio
This cozy provisioning page provides administration rules for auto provisioning of different phone models.

Yealink, Cisco, Polycom, Grandstream, Linksys, Snom, Gigaset and others.

The main feature is the solution can scan all the phones on a network and show them up to link with extensions.
Provisioning system (FreePBX module optional)
SIP trunk checker. FreePBX module (optional)
I have an experience with goautodial solution.

Features:

Call Management
Dedicated Direct Calling User Extensions
Personal Voicemail & Team VoiceMail
Outbound Calls - Manual, Preview and Predictive
Inbound calls - Automated Call Distribution (ACD)
Blended calls (Inbound, Outbound)
Scheduled callbacks (Manual & Auto)
3-way Conference and Call Transfers
Interactive voice response (IVR) with Campaign/Queue
Broadcast and Survey Dialing
Campaign Management
Multi-Lead List per Campaign
Agents Allocated Simultaneously Multiple Campaigns
Campaign Defined Scripts
Custom Caller ID - Campaign Specific
Custom Call Statuses and Call Dispositions
Hotkeys for quick hangup and call dispositions
Filter Leads (Dynamically Exclude Numbers from Lists)
Compliance
US, UK and Australia telemarketing compliance
Drop timer with safe-harbor message for FTC compliance
Call Recording & Voice Log Storage
Full Call Recordings or on-demand
Option to Store Call Recordings on your own FTP server

and mor
Goautodial campaigns
Click-to-call button that can be embedded on a webpage. When clicked, will establish a SIP call via FreePBX/Vicidial/Tribox/Asterisk
Click to call button
this simle solution deletes old call records from the server
Sound records

Avaliações

Mudanças salvas
Mostrando 1 - 5 de 47 avaliações
Filtrar avaliações por: 5,0
$75,00 USD
Sergey pays attention to detail. Easy to work with. I have hired Sergey for many projects and received the best service and communication beyond anyone else here.
PHP System Admin Asterisk PBX VoIP
+1 mais
Avatar do Usuário
Bandeira do(a) Eugene D. @eugene48
há 4 anos
5,0
$42,00 USD
Excellent professional, very easy to work with.
PHP System Admin Asterisk PBX VoIP
+1 mais
Avatar do Usuário
Bandeira do(a) Nestor B. @nbacchella
há 4 anos
5,0
$14,00 USD
Excellent work, great communication, very knowledgeable. I’ll definitely be using him again.
PHP System Admin Asterisk PBX VoIP
+1 mais
Avatar do Usuário
Bandeira do(a) Nestor B. @nbacchella
há 4 anos
5,0
$450,00 USD
Sergey was fantastic, he was able to develop a FreePBX module fast, and it works perfectly. His English was almost fluent, as well as being very friendly. He communicated well with me about the project and gave me regular status updates, which is not something I am used to when it comes to freelancers. After working with him once I plan on having him do many more projects for me in the future. I would hire him full time if I could!
PHP Linux Software Architecture Asterisk PBX VoIP
S
Bandeira do(a) Marcello B. @SimpleSoftware3s
há 4 anos
5,0
$32,00 USD
sergei is very professional and dedicated programmer, he did the project on the best side and delivered the product working as asked. thanks a lot sergei .
PHP Linux Software Architecture Asterisk PBX VoIP
I
Bandeira do(a) Eliraz A. @i4net
há 4 anos

Experiência

Senior VoIP engineer

Brilliant Telecom
nov. 2014 - Atual
http://www.br-tel.com/ Asterisk, Freeswitch, Kamailio maintainig. SIP traffic debug and troubleshooting.. Support team job. Soft switch tests. Analysis of such parameters as ASR, ACD. Work with MVTS-II soft switch.  Using system NetSense and scripts iperf, SIPp. Monitoring with Nagios and Zabbix.

VoIP engineer

IPC
jan. 2011 - nov. 2014 (3 anos, 10 meses)
Work with VoIP and PSTN, experience with the signaling protocols: SIP, SDP, RTP, IAX2, H323, SS7, TLS, SRTP. Interfaces DAHDI, AMI, AGI, PRI. Setting up and supporting Call centre, about 30 operators. Setting up VoIP using Asterisk, dialplan creating, developing Asterisk code, PHP, bash. Assisting developers with any service-related issues or feature requests. Jointly managing a network of 300 phones. Reporting based on CDR, CEL databases data.

Head of IT Department

Municipal Unitary Enterprise Spetcavtokhozyaistvo
jul. 2009 - dez. 2010 (1 ano, 5 meses)
Administration of local corporate network in the city of Irkutsk. Work with equipment Cisco, D-link. Administration of the DNS, mail servers and billing running by Windows 2003 server, FreeBSD, RedHat. Knowledge of the basic routing protocols, TCP/IP protocol stack, as well as the principles of switching technology VLAN, VTP, STP.

Educação

Bachelor's degree

Omskij Gosudarstvennyj Universitet Putej Soobšcenija, Russian Federation 1991 - 1996
(5 anos)

Qualificações

Certificate "Asterisk. Level 2. The phone systems and securety"

Specialist
2017
36 hours of lections and labs

Certificate "Design VoIP networks" from company "D-Link Russia"

D-Link
2011
VoIP administration

Certificate "Design networks" from company "D-Link Russia"

D-Link
2012
network administration

Contate Sergey S. para falar sobre o seu trabalho

Entre para falar sobre qualquer detalhe pelo chat

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Certificações

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Principais Habilidades

Asterisk PBX 53 VoIP 40 PHP 30 System Admin 24 VPS 23

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