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Sip Jobs

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Hourly - Est. Time: 3 to 6 months, 30+ hrs/week - Posted
Job Responsibilities - Develop, deploy, support and maintain a scalable enterprise grade VoIP service platform - Develop automated provisioning system for voice platform General Skills - Excellent time management, organizational, process and communication skills - Ability to work as a member of as fast-paced team - Interest in telecommunications / cloud computing - Professional presentation, punctuality and ability to meet deadlines Desired Qualifications - Fundamental knowledge of PSTN / IP networks - Intimate understanding of SIP protocol - Proven development experience with PHP / C++ - Familiarity with FreeSwitch - Skilled in scalable software design - REST API experience

Fixed-Price - Est. Budget: $ 15,000 Posted
Hello Guys, We are looking to develop an asterisk based PBX application with some of the basic features give below: -automatic call distribution through Multi level IVR system and routing algorithms -support both VOIP/PRI -schedule IVR system -call forward, call conference and call transfer -music on hold -key press management -live call analysis -call monitoring and recording -login/logout users -blocking numbers -softphone and hardphone support -SMS and crm integration with leading brands -reporting Please connect with to know more and in depth about the application. Thanks

Hourly - Est. Time: Less than 1 month, 10-30 hrs/week - Posted
Convert existing Dialogic Programs to support SIP interfaces and Dialogic HMP. Base code in C. Open to structure options. Additional work could be available in the future.

Hourly - Est. Time: 1 to 3 months, Less than 10 hrs/week - Posted
Hi! I want to build an unlimited outboung calls callback system similar to many websites I have already seen on the web, but improoved. This solution must work for any phone (landline or mobile and not just smartphones), so we can NOT use just apps to make the calls. Steps to make a call: 1 - Call our access number to get a busy signal and hangup. 2 - Our system detects your caller ID and calls you back in a few seconds to give you a dial tone. 3 - Enter the phone number you want to call. 4 - The system automatically connects you with your called party. In my country, we have carrier plans where calls placed to another phone from the same carrier are 100% free, so we can use a GSM gateway to detect the carrier of who is dialing and the best GSM SIM to use to place the call to the destination number. In my country, we have carrier plans where calls placed to another phone from the same carrier are 100% free. We can use a GSM gateway to place the...

Fixed-Price - Est. Budget: $ 50 Posted
Hi, I have Elastix system implemented in HA. recently one module installed on one of the system that makes the solution not working. I reinstalled the server and want to reconfigure - Codec setup. - Integration with other PBX - Email alert for missed calls and voice messages. - Dial plan setup -Endpoint data move from one server to another. i have completed about 60% of the server configuration and need some help from expert to finish all. Regards

Hourly - Est. Time: Less than 1 month, Less than 10 hrs/week - Posted
We are looking for a consultant who can advise us on the best IP Telephony solution for approx 50 users, integrate it with our network, with Goldmine, and Outlook and other apps. Currently our favorite is to use Skype for business. Ideal candidate would be able to work on site with us to select the best fit service (Vonage, RingCentral, Skype for Business etc), and then walk us through the full integration of the product.

Hourly - Est. Time: More than 6 months, Less than 10 hrs/week - Posted
Looking for experience in Ruby, Rails, JQuery, .NET, ASP.NET, HTML5, Azure, Heroku, SSH, SIP Communications, VoIP, IP Telephony, PBX, ACD Apply even if you have only a few of these. Nice to have: Experience with Avaya DevConnect & Genesys Possibly contract to hire. Work anywhere in the world at any time.

Hourly - Est. Time: Less than 1 month, Less than 10 hrs/week - Posted
Hello I have recently purchases an Avaya phone and need an adviser to help me get it set up. I only have 1 hand set and intend to connect to a remote SIP I am not sure I have even purchased the right thing but the phone isnt even turning on. I require someone who can help