SIP Jobs

25 were found based on your criteria

  • Hourly – Less than 1 week – Less than 10 hrs/week – Posted
    We require maintenance on our existing 3CX PBX system (v12). Some of our issues encountered: The system needs a restart every few days as it is unable to make outbound calls. We experience quality issues when in other countries, we have used both Bria on iPhone and 3cx tunnels. We also experience issues with remote sites not being able to transfer calls. We are looking for someone who is experienced and able to analyse our system and rectify/advise on ...
  • Hourly – Less than 1 week – Less than 10 hrs/week – Posted
    Looking for help on the set up of a Grandstream GXV3275 for SIP lines. Currently having issues with call transfers.
  • Hourly – 1 to 3 months – 30+ hrs/week – Posted
    Hi, I am looking for a freelancer, or freelancers or a company who can build a CTI connector in Salesforce. The CTI connector needs to work in Internet Explorer or Chrome and provide RTP direct to the browser and utilise SIP. This CTI connector should work within Salesforce agent console using visual force elements. The CTI connector should be able to register via SIP to the PBX and ensure that all call control functionality occurs seamlessly through the browser to ...
  • Hourly – Less than 1 week – Less than 10 hrs/week – Posted
    We are a small, 8 phone setup. I have already setup some of it but I am having a hard time figuring out how to get the SIP Provider setup properly for inbound and outbound calling. We also have a Touchstar Dialer with dialogic T1 cards to connect to. I need to get the protocols setup between a Patton SN4970 and the Dialogic cards. Then route calls to and from the Dialer through 3CX.
  • Hourly – Less than 1 week – Less than 10 hrs/week – Posted
    Need someone who can assisty me in setting up a solutin with my existing elastix PBX that can broadcast faxes, another words I have to be able to loadf database with fax numbers and system has to sent them.
  • Hourly – More than 6 months – 10-30 hrs/week – Posted
    Hello We already developed a voip app. We are now looking for a professional android developer that can support the project from this stage. Except that we have many other android project in our company. Skills required 1. Android development 2. Parse.com 3. Understanding in Voip ( advantage ) 4. Experience with android sip library ( advantage) Thanks
  • Hourly – Less than 1 month – Less than 10 hrs/week – Posted
    Please review https://issues.asterisk.org/jira/browse/ASTERISK-24795 We're offering a bounty for anyone who is willing to work directly with us to resolve this issue. We have a custom developed asterisk cluster that has an issue where when an external call is made, parked, then picked up, the CLID shows sw_xxxx_sip. Everything is written in AEL, not regular Asterisk dial plan and this cannot be changed. The phones we are using are Cisco SPA504G, but we use ...
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