SIP Jobs

37 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.
  • Fixed-Price – Est. Budget: $250.00 Posted
    Please Provide Cost and Timeline for the completion of The Proposed Project as listed below: We have 2 servers that are currently configured with Elastix 2.5. One of the servers is a cloud based server and the other is a local based server located in our facility. 1. Configure servers to provide redundancy (exact image) between both servers, so if one server fails we will have the ability to continue providing service to our customers. 2. Configure and test ...
  • 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 ...
  • Fixed-Price – Est. Budget: $3,500.00 Posted
    - App to make VoIP to VoIP calls - VoIP to local and international landline calls - Local and international landline calls to VoIP - Also PBX routing App to have user login, and comes with dashboard stating: - call destination number log - duration of calls log We currently have Asterix PBX infrastructure, hence requiring mobile development and web dashboard development to collect to the PBX hosted on VPS.
  • Fixed-Price – Est. Budget: $5,000.00 Posted
    We are looking for a company or a team to develop a IP PBX, VoIP soft switch for our newly created IM/VoIP application. You will be involved in building a server that functions as a SIP gateway to route calls and messages. The team must have excellent knowledge in VOIP technologies. Good candidates should have substantial knowledge in open source VOIP solution e.g. Asterisk, Kamailio. We can discuss further if you are interested.
  • 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.
  • Fixed-Price – Est. Budget: $300.00 Posted
    I am looking for someone to work with me long term on a part time bases. you need to be pretty advance is asterisk and kamailio. you will be working under another another team member who has built the telecom system. i am looking to pay $300 a month on a constant part time bases. if you think you know what you are doing then please get in contact, must speak English on skype, many thanks
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