Saint Louis, Missouri, United States
$70/hr · Starting at $500
20 years experience in IT Infrastructure with the following knowledge and experience VoIP, SIP, IVR, contact center (design, implementation and support) Triage and issue resolution Networking Project
Samara, Samara, Russian Federation
$69/hr · Starting at $199
Asterisk VoIP FreePBX 3CX FreeSwith Issabel SIP FusionPBX PBX Kamailio VoIP Asterisk, 3CX, Issabel, Elastix, FreePBX, FreeSWITCH, FusionPBX, Kamailio, OpenSIPS, OpenSER, FXO, FXS, E1, T1 SS7 ISDN - my…
Rosario, Santa Fe, Argentina
ID Verified
$25/hr · Starting at $25
Design, install and support SIP VoIP systems. Asterisk, FreePBX, Elastix, Issabel, 3CX Multi brand IP Phone and Softphones support.
Nha trang, Khánh Hòa, Vietnam
$10/hr · Starting at $1,000
May 2010 - August 2011 Projected wooden buildings from SIP panels technology. Drafted building designs using AutoCAD, 3d visualization made using Artlantis Studio
Beijing, Beijing, China
$35/hr · Starting at $25
I have considerable expertise in VOIP apps development. I have developed many VOIP apps so far. The Media5-fone VOIP SIP app is my example project that I developed from scratch.
Bracknell, Bracknell Forest, United Kingdom
$5/hr · Starting at $25
Olympia, Washington, United States
$65/hr · Starting at $65
I am a former military full stack engineer with strong networking and WebRTC skills. I have an advanced degree in software development and a documented history running a software development company.
Karachi, Sindh, Pakistan
$10/hr · Starting at $200
My focus towards most important part of any company that is communication. Every organization wants to cut their expenses without losing advanced technology. My 4W concept will help to understand the
Casablanca, Grand Casablanca, Morocco
Past Earnings
$10/hr · Starting at $25
I can setup the CRM for call centers with : -AutoDial -Clients Scripts -Ring groups -Call transfer -SIP accounts -SIP trunks
Bengaluru, Karnataka, India
Embedded Video conferencing systems architecture design and implementation. Helped customer to do the field testing and deployment. VOIP software. Worked in C, C++, Python, Perl languages on Linux, An…
Bangalore, Karnataka, India
$16/hr · Starting at $200
Have good experience in VOIP and SIP. Have worked with IP PBX like asterisks, Yates, Cisco etc. Have installed and configured STUN servers .Good knowledge of many SIP RFCs. Have worked with VOIP secur…
Ellijay, Georgia, United States
- TIMBER TRUSS DESIGNS (Residential)- see www.rockyridgedesigns.com photo gallery for examples- create SIP (Structural Insulated panels) "shop drawings" (residential) from client's submitted floor
Hyderabad, Telangana, India
$8/hr · Starting at $25
I am N.Narayanan 17 years experience in telecom Industry. Handled Different Handled various roles Testing, Deployment, Presales, Project Manager. Installed VAS Services (OBD, IVR, CVPS CG, SMSApp solu…
Islamabad, Islamabad, Pakistan
$50/hr · Starting at $25
VoIP, SIP, RTP, RADIUS, DATABASE
dhaka, Dhaka, Bangladesh
$8/hr · Starting at $100
I have Deep knowledge in asterisk,asterisk dialplan,sip,extension,dahdi,realtime,g729 codec installation, pbx solution through raw asterisk.
Reedsburg, Wisconsin, United States
$75/hr · Starting at $150
I can help you set up your own internal pbx based on asterisk or sipExec. This can save you tens of thousands of dollars while still giving you the latest capabilities.
New Delhi, Delhi, India
$15/hr · Starting at $25
Pune, Maharashtra, India
Expertise in SIP, H323, RTP protocol testing. Expertise in testing Video/Audio codecs like G.711, G.729, HDTV (MPEG-2, 4). Expertise in Wireshark for the call signaling flow analysis for debugging iss…
Lahore, Punjab, Pakistan
I am a 2 + year experienced voip developer who can work on open source sip technologies like asterisk and opensips.
Harare, Harare, Zimbabwe
$100/hr · Starting at $30
Management of VoIP Services, Class 4 and 5 switches. Vast experience in Sip Trunking , sip peering SipWise, MGC. MGW MVTS Freepbx, A2billing