Davao, Davao del Sur, Philippines
$15/hr · Starting at $30
SR. NOC Engr in VoIP company specializing in asterisk and network management for callcenter companies for inbounds/outbound. I'm currently working as senior network operations center for 6 years in US…
Ha Noi, Hanoi, Vietnam
$20/hr · Starting at $50
- 6 years experience in Erlang development - 3 years experience in C/C++ development - familiar with XMPP (ejabberd), SIP, mnesia, cowboy, rabbitmq - familiar with telecommunication protocol stack (SI…
Ahmedabad, Gujarat, India
$5/hr · Starting at $25
- We are specialized into VoIP,Web & Mobile Development Services. - In VoIP, we are involved into FreeSwitch, WebRTC, Asterisk, OpenSIPS, Kamailio. - In Mobile Development,we are expertise in iOS & A…
Sargodha, Punjab, Pakistan
$10/hr · Starting at $25
I am working as Linux administrator in multinational firm for the last five years dealing in Web hosting, VOIP, SMPP services. I have experience in dealing issues of Linux , Apache, Kannel, MySQL, FTP…
$80/hr · Starting at $30
I am an experienced VOIP and Devop developer with about 5 years of an experience in this fields. Specializing in VOIP PBX setups, Call Centers, SBC, business automation, CRM integration, billing syste…
Kyiv, Kiev, Ukraine
Past Earnings
$40/hr · Starting at $100
Hi. I'm a VoIP engineer, mostly using Asterisk (FreePBX) and FreeSwitch (FusionPBX). Later time have much expirience in OpenSIPS/Kamailio SIP Proxy family products. Also have a huge expirience in tr…
Santo Domingo Este, Santo Domingo, Dominican Republic
$20/hr · Starting at $40
Implement and install Kazoo, FreeSWITCH, FusionPBX and Kamailio VoIP related environments to clients. CPaaS Cloud PBX with zones, White-Labeling and geo-redundant DNS. Hotdesking, Multi-tenant and dom…
Prague, Hlavni mesto Praha, Czech Republic
I have over 10 year of development, configuration and implementation of ip-telephony solutions based on asterisk and OpenSIPS. Integration of ip-telephony into business processes of companies. Setting…
Toronto, Ontario, Canada
I have a work experience in R&D department of a large Canadian hosted VOIP provider for over 5 years. In addition to my day job, I have extensive freelance experience in various Asterisk-based system
Uttara, Dhaka, Bangladesh
$40/hr · Starting at $200
In one sentence, i am a Django developer with IP telephony experiences. you can hire me if you need to implement a distributed VoIP enabled service that is ready to scale. i am also doing newfies-dial…
Fredericton, New Brunswick, Canada
$55/hr · Starting at $30
We are proven source of professionals in technology industry. Our full-service help build the tools you need for a successful product.
Kolkata, West Bengal, India
$8/hr · Starting at $25
Have an Experience on Linux for more than 3 Years, Have Worked on AWS, Mizrosoft Azure, OVH, Hetzner Etc. Have worked with Dedicated Servers also, Have Experienced on Handling and Configuring Variou…
Cairo, Al Jizah, Egypt
$10/hr · Starting at $250
Building and operating Asterisk based IP PBX. Work with Communication Services team to provide technical support for Call Centers. Assist with VOIP systems management and administration. Work with tea…
Birmingham, Birmingham, United Kingdom
$40/hr · Starting at $25
>>Areas of expertise<<VoIP (Asterisk, Opensips, Openser/Kamailio FreeSwitch).VoIP Billing (A2Billing design and development customization, Branded billing solutions and multi-reseller plat…
Bhubaneswar, Odisha, India
$60/hr · Starting at $30
I an working in Ringcentral as a senior sre engineer I have diverse experience in Alcatel Polycom Mitel Ringcentral voip products I am GCP and CKA certified and have pcep (python) certification to…
Lahore, Punjab, Pakistan
IT / VoIP and System expert with 7+ Years experience. Major expertise in large scale VoIP solution development, virtualization, cloud based solution design, process optimization and automation.
$80/hr · Starting at $1,000
I have 12+ years of experience in Software Development. I have provided a wide range of IT solutions, including VoIP Development, Websites & Mobile Apps development for international businesses and st…
Portland, Oregon, United States
$25/hr · Starting at $100
All around Ubuntu server administration including dns, mail, databases, web servers, security hardening.
Bialystok, Podlaskie, Poland
$29/hr · Starting at $50
15+ years of professional experience in VoIP and telecommunication includes in-depth My last bigger projects : - http://www.greenkeytech.com/ - cloud based platform for financial markets, scalable (ar…
New Deslhi, Delhi, India
My passion was always new technologies and I am working in the technology line for more than 10 years. My main aim to be the part of free lancer is to raise fund for my on going personal research and