Voice over Internet Protocol or VoIP refers to a host of transmission technologies meant to deliver voice communications over IP networks that include packet switched networks and Internet. VoIP systems include communication services such as facsimile, voice, and voice messaging applications. A number of firms are shifting to this system to promote a cost effective medium of communication. You can hire an expert who can help your firm to leverage the potential of this new system. Just post a job today! Hire VoIP Developers

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    327 jobs found, pricing in USD

    please read carefully before accept my job i have termination gateways work with CDMA network not gsm have issue that is when make call it run billing directly with calling before ringing or real connected this happen even i use my mobile for same network so is any one can fix by soft switch (Signal billing inside sip)

    $592 (Avg Bid)
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    3 bids

    Necesito enlazar DID de EEUU con un telefono fijo en Colombia.

    $35 (Avg Bid)
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    1 bids

    hello all we are looking for the best rate wholesale route for dr congo all mobiles 0.15 per min billing 1/1 urgent

    $10000 - $20000
    $10000 - $20000
    0 bids

    I have several 7861G handsets, a Mikrotik router, and FreePBX with Endpoint Configuration Manager. I'm looking for someone who has done this before to set up the configuration to make this work for us. Thanks

    $69 (Avg Bid)
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    4 bids

    asterisk expert to join team with massive work and keep maintain innovation coming .

    $10 / hr (Avg Bid)
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    9 bids

    Sistema de mensajes masivos SMS así como llamadas por medio del sistema Elastix

    $83 (Avg Bid)
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    5 bids

    We need a Ringless Voicemail software. Please contact us if you have the software or if you have worked on this project and can build it. Thank you.

    $421 (Avg Bid)
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    5 bids
    Asterisk CLI call generator 6 days left
    VERIFIED

    1. Register to VoIP providers network ([url removed, login to view]) 2. Make an outbound call from the CLI (ORIGINATE command); INVITEs in certain format are acceptable only, examples will be provided 3. Terminate the call from the CLI 4. Register 10 UACs 5. Initiate outbound calls to the same destination (one from each registered extension) from the CLI; what would be the easiest way (bash sc...

    $312 (Avg Bid)
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    10 bids

    HI I need an expert who has already done calling app in andrioid more like messenger type, we want to build a calling messenger app like whats app or viber tango etc, let me know if any pro is here who has already developer such app? Thanks

    $180 (Avg Bid)
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    21 bids

    I have vtiger installed on a webserver and vicidial on a local machine which I have connected to the internet. Can anyone here integrate the two?

    $70 (Avg Bid)
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    5 bids
    Telemarketing & Callcenter 5 days left
    VERIFIED

    I am looking for telemarketers that can place outbound and receive inbound calls for over 150 projects. They will be compensated per project and each compensation plan is different. We work with Television Cable, internet, Digital TV, Satellite products, Phone services, Security, and IT products. We currently are looking for an already established entity looking to take on some big projects.

    $2500 (Avg Bid)
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    2 bids
    Project for Amy S. 8 days left
    VERIFIED

    Hi MizzSaville, I noticed your profile and would like to offer you my project. We can discuss any details over chat.

    $33 / hr (Avg Bid)
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    1 bids
    I need asterisk developer 5 days left
    VERIFIED

    I'm looking for somebody that know asterisk I have a quick task that it's give me a head heck I pay 50$ for 2 minutes :) thank you.

    $58 (Avg Bid)
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    16 bids

    Configurar en la Raspberry un asterisk para realizar encuestas automáticas con locuciones personalizadas y poder descargarse posteriormente los resultados en un csv

    $509 (Avg Bid)
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    11 bids
    Project for Amy S. 8 days left
    VERIFIED

    Hi Amy S., I noticed your profile and would like to offer you my project. We can discuss any details over chat.

    $13 (Avg Bid)
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    3 bids

    Looking for an experienced Asterisk Engineer to work on regular requirements. Experience with Asterisk, Vicidial and freepbx customizations. Good knowledge of AGI and AMI. Should be available round the clock for discussion on projects and for fixing issues. Please mention per hour rate.

    $10 / hr (Avg Bid)
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    6 bids

    we need a vos 3000 expert technician to install and maintain it.

    $233 (Avg Bid)
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    8 bids
    Vicidial EMail Script 5 days left
    VERIFIED

    I need a script to be developed to use with Vicidial, where i need to get a particular Disposition lead details in mail. The mail should be sent when a new lead is marked with particular disposition

    $77 (Avg Bid)
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    3 bids

    Crestron is the Audio and video controller, We are looking for the API Integration to control the Cisco SX80 Video conferencing solution from Crestron

    $35 (Avg Bid)
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    1 bids

    Need help to do simple enhancement to Linphone. Enable calling of URL upon phone inbound, or outbound. Embed Caller ID in URL parameter.

    $213 (Avg Bid)
    $213 Avg Bid
    1 bids

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