SIP Jobs

38 were found based on your criteria

  • Hourly – Less than 1 month – 10-30 hrs/week – Posted
    Dear All, We are a well-established service oriented company in Brisbane Australia. The company has been in the business for over 10 years now and has a large loyal client base. We are currently in the process of starting a cloud IP PBX solution targeting the Australian Market. We are looking for a experienced developer who is familiar with WebRTC to develop a web based dialer and our back-end is an Asterisk based solution. If you have the right skill ...
  • Hourly – Less than 1 week – 10-30 hrs/week – Posted
    I need to do enhancement of the great app that has over 2.5M users. So I am looking for a high skilled developer who has rich experience in XMPP,SIP and audio/video streaming DON’T BID IF YOU HAVEN’T CONFIDENCE IN YOURSELF TO MAKE THE APP WITHOUT ANY BUGS. IF I WILL FIND ONLY 1 BUG DURING TESTING THE APP, I WILL NOT PAY ANYTHING.
  • Fixed-Price – Est. Budget: $100.00 Posted
    We have CUCM version 10.5 and Cisco 2911 Voice Gateway. We are using SIP TRUNK for Incoming and Outgoing Calls. Everything is setup correctly but Incoming and Outgoing calls sometimes do not have any audio when connected. Calls are connecting properly. There is no issue in connecting of the calls. Only issue is the intermittent AUDIO LOSS
  • Hourly – Less than 1 week – Less than 10 hrs/week – Posted
    I needs someone to setup my SIP trunk with my FreePBX and get it to work. I've bought my SIP Trunk at I want to call from the browser and wants to know what to do to make it work. Is it enough with a SIP Trunk and the iSymphony module? Or do I need hardware? If I need hardware, can it be outsources? Best regards
  • Hourly – Less than 1 month – Less than 10 hrs/week – Posted
    Hello, Please include the word "A2Billing" at the top of your application so I know your human please. We are looking for a very simple VOIP Service Platform with Web Interface. (function over style) NOTE: Please only bid if you have proven experience with A2Billing & didx / didlogic and if you have done something similar. Possible intergation with didx API or open to other suggestions. Want to build simple DID website. The system will be using A2billing and Asterisk, which we ...
  • Hourly – Less than 1 month – 30+ hrs/week – Posted
    Develop a software driver to interact with a Highway Advisory Radio via a wireless cellular VOIP connection. Requires some knowledge of cellular, voip and cloud-based voip using a RESTful API. Driver to be written in .net (likely C#) on a windows platform. Need a 2-3 week turnaround. Some R&D likely
  • Fixed-Price – Est. Budget: $50.00 Posted
    We have cleanly installed the elastix Asterisk Version 2.3 and the Call Center Module. We intend to hire someone who can carry out following two tasks in a minimum time and cost 1. Install and configure Call Center Module and sample campaign in elastix 2. Implement elastix's dialer to call a list of customers to deliver a recorded message, a. Still able to use the Call Center with "real" agents. b. Add PHP script that logs the customer ...
  • Hourly – More than 6 months – 30+ hrs/week – Posted
    > * good command over English (Both reading and writing) > * Linux knowledge > * setup, administration > * Basic skills on Bash > * write and read bash scripts > * Knowledge on networking and distributed systems > * IPv4, IPv6, HTTP, TLS, network security, encryption, TCP/UDP, server-client architectures, mesh architectures, peer2peer, VPN, > * Knowledge on XMPP basics and concepts > * stanza > * full JID > * presence, roster > * reading and understanding XEPs > * Webtechnologies: Javascript, WebRTC, PHP (optional) > * Javascript/PHP development > * WebRTC basics > * XML reading and writing > * Knowlodge about databases > * design, setup and manage databases > * SQl ...
  • Hourly – Less than 1 month – Less than 10 hrs/week – Posted
    I am looking for someone to help me develop a voip platform for a niche market. I want to use already available voip technology applied in a unique way. I want to have a prototype built in order to gauge the feasibility of a new service. I think i would like it built using asterisk as a backbone but i am open to other suggestions / ideas. The features i would like for the mobile app: 1) the ability to have ...