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    8,597 voip call jobs found, pricing in USD

    The goal is to establish an asterisk server for the purpose of voip termination in GSM network. The freelancer has to do the following: - Install asterisk server and configure it to operate with Huawei usb dongles (modems) having prepaid simcards to connect to the GSM network. - Be able to attach more huawei usb modems to the server if

    $569 (Avg Bid)
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    19 bids

    I need android application for door entry system. It should be built using SIP and VoIP. Design(include XML) was completed already. Don't bid without sip and voip knowledge, please. I will reject that man immediately. While chatting, let me provide design.

    $290 (Avg Bid)
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    28 bids

    A STUN/TURN server has been tested to work on Android apps such as Zoiper and SessionTalk (using accounts from a specific SIP server). However, our app fails to us..."error 437: Mismatched allocation: wrong transaction ID" The task is to resolve this error and ensure that the app is correctly handling allocation to enable voice call and video call.

    $189 (Avg Bid)
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    15 bids

    ...minute you spend with me on this phone call worth of air time calling to be used nationally, long distance and even international calls. (If customer agrees, then proceed with the below questionnaire) 1- Who is your current telecom service provider? *Must be a traditional telecom service provider NOT a VoIP service provider 2- How many users? 3-

    $453 (Avg Bid)
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    ...Javascript/jQuery help. I have a PHP web page that needs to make some voip calls from an html table. The idea is you click a button which brings up a modal dialog with the first number ready to call. You make this call then it calls the 2nd number and so on, checking the status of the current call in a loop to determine if it has ended. The problem is outlined

    $124 (Avg Bid)
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    28 bids

    Accounts on a SIP server have been tested to work with a STUN/TURN server on other Android apps such as Zoiper and SessionTalk. However, our app fails to use the..."error 437: Mismatched allocation: wrong transaction ID" The task is to resolve this error and make sure the STUN/TURN server is being used correctly to enable voice call and video call.

    $145 (Avg Bid)
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    14 bids

    OTT MOBILE Dialer is customizable mobile OTT solution that allows Communication Service Providers to build their own branded VoIP based OTT app and launch service on the existing network. Users registered under Service Providers' brand, Service Providers can fight the rising competition from top OTT players like Skype, WhatsApp, Viber and others

    $4724 (Avg Bid)
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    59 bids

    ...the open source Linphone Flexisip to interact with our Linphone IOS mobile app so voip push notifaiction can wake up app, to receive call . Accounts handled by Portaone Voip Switch . Flexisip config done, voip push certificate in place, still some issues not allowing voip push. Trying with another programmer as well, but still we are not quite there

    $103 (Avg Bid)
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    3 bids

    Hi, I will need a team of dedicated outbound sales call center for my campaign. I want a motivated and a goal oriented team. - Targeted Leads will be provided A call center with great English and must have a VOIP dialer in place able to call US numbers. This job is "Pay per Sale" basis and a great commission scheme is given for every sale.

    $633 (Avg Bid)
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    3 bids

    I have just installed a Kazoo VOIP server and I am having difficulty uploading the rates through a csv file. I need someone with expert knowledge is Kazoo to help me upload the rates and show me the procedure for uploading same. Also I would like you to put me through the process of creating the service plan. Please don't bid if you are not an expert

    $203 (Avg Bid)
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    4 bids

    We need VoIP Developer to implement cross platform audio calling facility into our mobile applications and Web browser.

    $1130 (Avg Bid)
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    9 bids

    Administrador de Telefonía VOIP experiencia en Asterisk comprobable, Linux , programación LAMP.

    $659 (Avg Bid)
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    30 bids

    Fix the following error seen in two different TURN servers 'Coturn' and reTurnServer causing failed SIP call: Coturn log: session 001000000000000001: realm <> user <>: incoming packet message processed, error 437: Mismatched allocation: wrong transaction reTurnServer log: DEBUG | [url removed, login to view] | reTurnServer | RETURN | 139914911389440

    $126 (Avg Bid)
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    12 bids

    Now,I'm working VOIP developer for Toshiba Co.Ltd. in Japan.

    $581 (Avg Bid)
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    3 bids

    ...and is not afraid of the word "No". Persistence is key in this position, you will have a quota of calls per day and quota of scheduled meetings per week. You will be using a VOIP system and will be calling, leaving messages. You will be responsible for being very organized and following a specific schedule and program with the people you are calling

    $11 / hr (Avg Bid)
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    Build a Website -- for mobile voip selling

    $58 (Avg Bid)
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    We are looking for a professional call center that has experience with B2B lead generation, preferably with experience in business loans and merchant cash advance. We are offering a long term opportunity to make very large amounts of money. Rather than having to do volume with other lead generation campaigns, with this industry you only need a few deals

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    We are looking for a professional call center that has experience with B2B lead generation, preferably with experience in business loans and merchant cash advance. We are offering a long term opportunity to make very large amounts of money. Rather than having to do volume with other lead generation campaigns, with this industry you only need a few deals

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    1 bids

    We would like to add bandwidth compression feature. Some kind of bandwidth compression is required for better performance on low bandwidth connection. i.e. Traffic Squeezer. using: openwrt tp link or any other compatible routers.

    $1401 (Avg Bid)
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    ...Spain (gather spanish & english keywords lists to launch campaigns in SEM, or any additional channel is welcome as well) in the fields of "hPBX / vPBX", "call / voice recording" "ip telephony", "voip", "cloud services", "unified communications", "business communication services", "e-commerce communica...

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    20 bids

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