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! 从32,680个评价中,客户给我们的 VoIP Developers 打了4.84,共5星。
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    18 份搜到的工作,货币单位为 USD
    Looling for a VoIp expert 6 天 left
    已验证

    Im looking for someone familiar with telecommunication and knows his way arround it. Voip expert. Must be an expert and have great skills. Familliarity with ss7 is a must

    $500 (Avg Bid)
    $500 平均报价
    8 个竞标
    Freepbx SMS Module -- 2 6 天 left
    已验证

    This project is to create a freePBX module that enables me to send / receive sms using my chan dongle. 1. Incoming SMS Portal 2. Send SMS 3. Send USSD 4. Balance check 5. Call initiator 6. Dongle setup and configuration

    $75 (Avg Bid)
    $75 平均报价
    4 个竞标
    Sales Cold Calls Agent, 6 天 left
    已验证

    Hi there, I am in search of a cold calls agent preferably from the USA

    $20 (Avg Bid)
    $20 平均报价
    5 个竞标

    We are looking for an expert that can build a call center application like aircall . io broadvoice. Com You must have built something like this and must be able to show proof of work. We need someone with vast knowledge and experience with voip, twillio etc Be ready to show proof of work to proceed with project

    $630 (Avg Bid)
    $630 平均报价
    36 个竞标

    hello i would like to make erm access for my gateways skyline and goip to can access them from any where from any ip with out static ip or vpn ip

    $193 (Avg Bid)
    $193 平均报价
    9 个竞标

    do bpo voice call for insurance. i give customer details if you call the customer speak to her. work is customer insurance date will finished if you call the customer inform the insurance renewal and do the policy up to date

    $3 / hr (Avg Bid)
    $3 / hr 平均报价
    7 个竞标
    magicjack application 5 天 left
    已验证

    Need MagicJack kind of application replication

    $275 (Avg Bid)
    $275 平均报价
    5 个竞标

    Necesitamos una personalización de un softphone para nuestra empresa. Por ejemplo podría ser un linphone u otro. Es obligatorio que permita la video llamada. Que además, en el momento de digitar los datos para registro, solamente se solicite el nombre, el account id y el email, que el sipserver y la clave de la cuenta ya la tengamos preconfigurada (esta puede ser una clave común para todos los clientes).

    $155 (Avg Bid)
    $155 平均报价
    9 个竞标

    Setting up a Twilio IVR system (connected to Zoho telephony), with a two level split key process (first slip already set up for pressing a number for the required department). - The second split is for searching staff members. Need this section cleaned up as its currently not working. - Also need to set up IVR for certain times of day (9 AM-5:30 PST). - Lastly, if the second split call (staff call cell phone) rings for 5 times and no-one answers, it takes you to another widget (VM) - already configured to (twimlets-voicemail).

    $136 (Avg Bid)
    $136 平均报价
    13 个竞标
    Cold calling -- 3 4 天 left
    已验证

    Need someone to cold call for me

    $5 / hr (Avg Bid)
    $5 / hr 平均报价
    20 个竞标

    Our tech will be installing a Nokia 7250 router () at a client site and customer needs us to also do RFC2544 and BERT testing. Customer want to test the far end e.g., Telco can provide a hard loop that can be tested on the tester. We're looking for someone that has physical experience working with these testers to be available remotely to guide our tech onsite with the tester. We'll either end up renting a EXFO NetBlazer v2 tester or a VePAL MX100e Plus

    $60 (Avg Bid)
    $60 平均报价
    2 个竞标
    Cisco ASA & Router Setup 3 天 left
    已验证

    I need some helping setting up a Cisco ASA and a Cisco Router.

    $138 (Avg Bid)
    $138 平均报价
    30 个竞标

    Looking for a sip softphone for windows desktop with g729 codec ,call transfer and conference option. Should work behind nat. Stun and rtp ports should be auto filled and static. We will build with basic options now and will upgrade more , so bid with your best budget.

    $142 (Avg Bid)
    $142 平均报价
    7 个竞标

    Hello Freelancers, I’m looking to implant live DTMF logging into my agents panel using asterisk. The DTMF will be read from asterisk server and will be shown in my agents screen in real time.

    $185 (Avg Bid)
    $185 平均报价
    5 个竞标

    We need a Linux expert to install faxing in asterisk..

    $124 (Avg Bid)
    $124 平均报价
    7 个竞标

    Hello all, I would like to capture live DTMF information through asterisk and make it appear on my agent login panel. Essentially all it will do is when a call gets connect and an agent ask the customer to enter a code through their key pad it should appear on the agents panel.

    $187 (Avg Bid)
    $187 平均报价
    10 个竞标

    want latest os Android phone call and Screen-Recording . front and back live video camera access. screen recording feature- Remotely Watch & Record The Screen Activities Via The Control Panel. Real-Time Screen Activities Monitoring & Recording. call recording- App Provides Record Live Phone Calls On Android IOS, Track Call Logs, And Record IM’s VoIP Calls. WhatsApp chat and recording.

    $2594 (Avg Bid)
    $2594 平均报价
    10 个竞标
    Help analyzing SIP trace 20 小时 left
    已验证

    We have an extension which is registered to the asterisk server.. but when making a call the Asterisk returns 401. The task is to find out: 1: why this is happening 2: what we need to do to fix it 3: Make test call to prove fix We will only pay for a fix..

    $27 (Avg Bid)
    $27 平均报价
    12 个竞标

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