VOIP Administration Jobs

51 were found based on your criteria

  • Hourly – Less than 1 week – Less than 10 hrs/week – Posted
    Google Voice announced they wouldn't work with ObiHai VOIP adapters after May 15, 2014. I have multiple ObiHai 202 adapters that ring at multiple locations. I've subscribed to PhonePower.com as the service provider as a test but can't figure out how to program the adapters. I also want to know if I should buy a inhouse VOIP PBX such as the "Yeastar YST-U100 MyPBX IP PBX" to allow more than two analog phones at the main ...
  • Hourly – Less than 1 month – 10-30 hrs/week – Posted
    We are looking for an EXPERT Linux / VoIP Systems Architect who is able to perform an integration for us using either Kamailio or OpenSIPS into our billing system Jerasoft VCS. The objective of this installation is to gain high CPS for enterprise / call center VoIP Traffic. We have researched and found that the easiest integration would be using common radius collectors for either OpenSIPS or Kamailio. More information about the common radius collectors is available at: http://support.jerasoft.net ...
  • Fixed-Price – Est. Budget: $750.00 Posted
    Hello, We require the building of a VoIP Switch which focuses on inbound DIDs. It must handle 1000 concurrent calls. We have our own number range consisting of over 1000 000 DiDs It will have multiple trunks for over 10 providers who will send calls to this switch. The switch must accept the call and RECORD the IP/TRUNK/CHANNEL where the call is originating from. It must also route the call to the relevant SIP Account the DID is ...
  • Hourly – Less than 1 week – Less than 10 hrs/week – Posted
    We have a phone system that was setup by a employee that is no longer with us and left little documentation. I need to add an emergency line and learn how to change our Voicemails. We are using Vitelity and PBX in a flash.
  • Hourly – Less than 1 month – 10-30 hrs/week – Posted
    We are using 3CX and voipfone in our UK setup. However, 1. We do not feel like the system has been set up as well as it could be, so we need someone to give us an outside opinion and implement recommended changes. 2. We need help to establish basic improvements like implementing a PBX options list for certain numbers and on hold music. 3. We need training for key staff about how to administer the system in house. 4 ...
  • Hourly – More than 6 months – 10-30 hrs/week – Posted
    We're currently beat testing out platform and we need a freelancer to correct functionality issues that come up and to build new features into the site. Project guidance will be provided by senior management. This project will focus on front-end UI programming, back-end functionality and VOIP applications i.e., Twilio, Plivo, Voxeo and Tropo. Ideal candidates have experience with: C#, ASP.NET, XML, HTML5, Javascript, MSSQL and VOIP. User-interface experience and use of HTML5 frameworks, VOIP experience is highly ...
  • Hourly – Less than 1 week – Less than 10 hrs/week – Posted
    I am in urgent need of an experienced network / voip engineer with knowledge of pfsense to help me fix an issue whereby calls are dropped after 30 seconds. Network layout is: I have two softphone SIP clients (linphone) sitting behind our firewall / NAT (pfsense) and they need to connect to an external SIP server using an allworx system. I do not have control of the allworx system. I have set static outbound NAT for all UDP ports and tried a ...
  • Hourly – More than 6 months – Less than 10 hrs/week – Posted
    We're looking for a VOIP administrator to help with a variety of projects: 1) Configuring client pbx's and customizations. 2) Handling ticket work and last-minute changes/modifications/fixes 3) Configure a multi-server architecture and common cloneable configuration. ~Greg
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