SIP Jobs

75 were found based on your criteria

  • Fixed-Price – Est. Budget: $3,000.00 Posted
    Dears , I am looking for a Mobile Dialer for Android ,iPhone and other smartphones + a server can by pass any ISP restriction (http wrapper) with bandwidth optimizer Phase One of project is : • Full branding themes (logo,header,background … changes ) • SIP signaling support (TLS ) • Bypass almost all firewall with combination of a server will develop • Bandwidth optimizer leads to have 13kbps per call (RTP jitter management) • Server should handle > 1000 concurrent call • Dialer should offers both Voice and SMS over IP ...
  • Hourly – More than 6 months – 30+ hrs/week – Posted
    This is a full time position. Only apply if you can work 8 hrs a day Oslo time. We are providing Asterisk and VoIP PBX services to mainly business subscribers located in a number of locations. We are seeking a person for long time assignment 8 hours a day Oslo time. Responsibilities include, but are not limited to: * Program, configure, and maintain our Asterisk based VoIP and Linux systems. * Directly communicate with our support staff to obtain our Clients respective ...
  • Fixed-Price – Est. Budget: $500.00 Posted
    We are looking for a fully customized Linphone or any other open-source voip software feature rich Mobile Softphone (SIP) dialler based on iPhone, Android. (Including our Company name & Logo) We will require the source code and all documentations for this project. The dialler should have all the standard features normally found in a mobile dialler (example: viber,vonage,vippie etc). Following features must be available in the dialler: Making & Receiving VoIP Calls Over 3G, Wi-Fi, GPRS. -Voice calling Mobile Dialler ...
  • Hourly – Less than 1 month – Less than 10 hrs/week – Posted
    We need help setting up IPRN/VOIP panel. With this panel We need to run premium rate numbers buisness - provide online cabinet/statistic for your customers, create agent accounts. Or you can run your VOIP/SIP buisness and attract many customers. We need different modules: Admin, Agent, Customers + PBX access and full server access. We need all information to be secure on servers and it have 2 firewalls and hackers safe. So if you can help us bbuild this buisness ...
  • Hourly – Less than 1 month – Less than 10 hrs/week – Posted
    Please suggest a fixed price for the project. 1. Install FS on Fedora 20. 2. Configure FS to make SIP calls via a local Asterisk. 3. Install GoFaxIp (https://github.com/gonicus/gofaxip) and configure Hylafax (installed) to use it. The Fedora 20 machine, Asterisk, Hylafax are installed and working. You job is to allow Hylafax to make T.38 fax calls via GoFaxIp. The project is declared working when Hylafax make's T.38 calls with a G.711 ...
  • Hourly – More than 6 months – Less than 10 hrs/week – Posted
    To assist in the installation, on-going development and support of several Asterisk based telephone systems. We are using a front end application called Sark, which we also need support for as the developers for this are often difficult to get fast responses from. You would need to have a look over a sample system in order to familiarise yourself with Sark and confirm that you are happy to support it. From experience, I would say it is essential that your ...
  • Hourly – Less than 1 week – 10-30 hrs/week – Posted
    We currently run a Mypbx Standard with 2 voip trunks and an 1 analogue trunk The system works great although lately we have on occasion be getting the message "all circuits are busy now" when trying to make outgoing calls. There doesn't seem to be any pattern to it although on occasion it with repeat with 1 particular number. You can then try the same number 10 minutes later and it will work. You will get the same message ...
  • Hourly – Less than 1 week – 30+ hrs/week – Posted
    Startup needs VoiP application for Android. (SIP Client and Visual Voicemail) We need a Sip client branded with our Logo and color scheme. The Sip client should not play early media or replace the RBT. Sip client should come up with each call over build in dialer in the phone and let people chose whether user wants to use normal dialer or VoIP call Sip client should access Call history and Phone book from phone Sip client should function also ...
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