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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    32 jobs found, pricing in USD

    We need to build our own SIP/ VoIP/ tfn server to setup the toll free numbers to sale the client.

    $34 / hr (Avg Bid)
    $34 / hr Avg Bid
    5 bids

    Call center required for calling 1000 numbers with IVR recording and quality

    $86 (Avg Bid)
    $86 Avg Bid
    6 bids

    We're converting from POTS to T1 I'm looking for someone that's done this before and can walk me through it. Applicant should be an expert at Cisco CUCM and voice gateways.

    $96 (Avg Bid)
    $96 Avg Bid
    6 bids

    Hi, I am looking for someone who can Install / Configure Asterisk based Free PBX 1. I want to use GSM gateway 2. Click to call API 3. Condition based IVR

    $95 (Avg Bid)
    $95 Avg Bid
    2 bids
    Call center outbound 6 days left
    VERIFIED

    We are looking for a call center to make outbound calls to U.K. homeowners and switch their current energy provider to us. You must have a minimum of 5 seats, have your own U.K. data, your own dialer and recording system and you must have internet connection as the switch is done via an online portal payment is commission only so please only apply if you have the requirements and can sell. Ple...

    $154 (Avg Bid)
    $154 Avg Bid
    2 bids
    VoIP & Juniper Experts 6 days left
    VERIFIED

    We need writers/experts for the above projects and we also want them to work with us regularly. Please write in your reply: your highest education degree and subject? what is your area of expertise? how much pay per 1000 words or equal efforts do you expect in AUD? Please note that before assigning the first project we will ask for some drafts or your previous work samples. If the draft is accepte...

    $54 (Avg Bid)
    $54 Avg Bid
    2 bids

    I am looking to hire someone whom can prepare instructions for configuration the EdgeMarc 4806. We have many units to deploy and are looking for someone who can prepare a configuration guide. The guide must cover steps to configure the SIP-UA for the FXS ports and connect them to Hosted PBX service, as well as how to configure the T1 interface as a Network-side PRI interface for a fractional (8-...

    $347 (Avg Bid)
    Urgent
    $347 Avg Bid
    2 bids
    asterisk RFC3699 5 days left
    VERIFIED

    Hello Guys, I have small issue the asterisk is rejecting call... due to Tel URI .... INVITE sip:+9714602XXXX@xxxxxxxxx SIP/2.0 Via: SIP/2.0/UDP [login to view URL];branch=z9hG4bK34zzdzv9zdt3bthz6bzh6d6zc;Role=3;Hpt=8e42_36;TRC=ffffffff-ffffffff Call-ID: asbcqd3893uim9dfu8m1bxokwmf3duu8tf3m@[login to view URL] From: <tel:0559625523;noa=national;srvattri=national>;tag=kx1t8kw1 To: <sip:0...

    $36 (Avg Bid)
    $36 Avg Bid
    3 bids

    1- check the load balance is configured well 2- enable voucher system to be monthly 3- enable login templets in user phone 4 -user limitation for internet usage 5- user hotspot disabled on them phone (no one can share internet from his phone )

    $35 (Avg Bid)
    $35 Avg Bid
    3 bids
    Sonicwall VOIP 5 days left
    VERIFIED

    I enabled SonicWALL VPN and i used for NEC IP phone but SonicWALL is blocking the packets so it is ringing but no sound coming

    $47 (Avg Bid)
    $47 Avg Bid
    9 bids
    3cx IVR setup 5 days left
    VERIFIED

    We have a working 3CX server. All phones and lines are working OK. We have the 3cx PRO version. We need to makean IVR menu (see attachment) We will provide all mp3 files. Ignore green letters on atatchment (this is the text for the mp3 files we will provide)

    $206 (Avg Bid)
    $206 Avg Bid
    5 bids

    The Project requires a developer with knowledge in the VoIP industry and utilizing Vue and node.js the web App will deal with carrier APIs ( Like Bandwidth ) grab the services, like SIP TRUNK, Number ( DID ) selling, SMS Selling, Voice and e911 reselling) the user will subscribe to our portal, select the product ( e.g Buy Phone Number ( DID ) will go through filtering by selecting Country, City, S...

    $2535 (Avg Bid)
    $2535 Avg Bid
    7 bids
    Outbound calls 4 days left

    I need someone to assist us in making outbound calls to potential sellers. You must be willing to work for $0.50 per hour between the hours of 8 am - 9 pm eastern time. I’m looking for an average of 800 to 1000 calls per day. I will provide autodialer. Will be trained and given scripts. Must speak fluent english

    $3 / hr (Avg Bid)
    $3 / hr Avg Bid
    6 bids
    API for Asterisk Based System 4 days left
    VERIFIED

    I am looking to develop API for Grand stream / Open Vox IP PBX system using the Asterisk Manager Interface (AMI) or using the API document which is given by the Grand Stream (find enclosed) I need the following API Click to Call API Auto call forwarding to extension based on the mobile number Getting call logs data - CDR / CLI

    $227 (Avg Bid)
    $227 Avg Bid
    3 bids

    Hello, I would need to get help with building easy Kamailio IMS (IP Multimedia Subsystem) topology, adding presence server to this topology, so I can use and analyze how presence service works in IMS - preferably in wireshark.

    $36 - $298
    $36 - $298
    0 bids

    Hi. I need someone to manipulate the receivers response to the caller according to the time of answering the call. My goal is. If a call is received within "5" second then the receiver will be considered offline but the caller will still listen the ringing tone. So the caller will think the phone is ringing when it's actually unreachable. Budget $50 Thank you.

    $153 (Avg Bid)
    $153 Avg Bid
    3 bids

    Hi Friends, I need professional mobile had experienced working with OTT APP (have features call look like messenger/Viber/Whatapp) , can make call and wakeup call anytime when receive push notification of server. We use SIP Server ( Freeswitch) to develop system. Each time have call from user A -> user B, system will push notification to user B User B install mobile app ( Android/IOS) and wake...

    $5987 (Avg Bid)
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    13 bids
    VOIP PROJECT - asterisk 3 days left
    VERIFIED

    NEED HELP TO SETUP VOIP SERVER - RUNS ASTERISK AND ALSO ONGOING SUPPORT

    $202 (Avg Bid)
    $202 Avg Bid
    19 bids
    I need help on setup Billing 2 days left
    VERIFIED

    Need help to setup billing based on the package on my website. My website is VOIP credit selling. Let me know if you have experience.

    $5 / hr (Avg Bid)
    $5 / hr Avg Bid
    2 bids

    I do have VOS3000 2.1.2.4 Security Authentication Panel installed on my server, I need help to configure it so that it will automatically block the SIP IP Address that has 3 failed login attempt. Also the Admin should be able to unblock the IP Address once the it has been verified that IP Address in question is not a hacker!

    $126 (Avg Bid)
    $126 Avg Bid
    3 bids
    Asterisk Expert 3 days left

    Hi. I need someone to manipulate the receivers response to the caller according to the time of answering the call. My goal is. If a call is received within "5" second then the receiver will be considered offline but the caller will still listen the ringing tone. So the caller will think the phone is ringing when it's actually unreachable. Thank you.

    $173 (Avg Bid)
    $173 Avg Bid
    7 bids

    Openvpn Setup and Connect the pbx

    $18 / hr (Avg Bid)
    $18 / hr Avg Bid
    9 bids

    need android application for virtual calling using VOIP on regular number Create Dial pad and call from application via internet to regular SIM number

    $190 (Avg Bid)
    $190 Avg Bid
    6 bids
    Build a VoIP SIP softphone 2 days left
    VERIFIED

    I am looking for softphone for Windows just like linphone. Let me know if you have any questions.

    $403 (Avg Bid)
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    5 bids

    We have already done the setup of SBC and Teams direct routing. We need some assistance with migrating SFB users to Teams.

    $1281 (Avg Bid)
    $1281 Avg Bid
    1 bids

    This is a live transfer campaign for PPO Health Insurance. I am looking for Call Centers that can do live transfers on a daily basis. Expecting 2-3 transfers per agent a day. If you have experience doing PPO Health Insurance then let me know. This is a weekly payment term and on CPL only. Once you pass 120 Seconds doing the warm transfer then the lead becomes billable. This campaign does not provi...

    $4700 (Avg Bid)
    $4700 Avg Bid
    1 bids

    Setup Monitoring with Zabbix 5.4 for an Old AsterixPBX (v11) (With Videotutorial for own use)

    $208 (Avg Bid)
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    9 bids
    Creat freepbx 1 day left
    VERIFIED

    Creat FreePBX on pc and make it work offline and online on the network + configuration for Grandstream GXW42XX Gateways and GSM gateway and other configuration

    $71 (Avg Bid)
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    8 bids
    Fix FreePBX Fax Pro error 1 day left
    VERIFIED

    I recently installed a new FreePBX on the cloud and purchased the Fax PRO module, it works fine for receiving fax but when sending out fax the following error appears: The call dropped prematurely

    $32 (Avg Bid)
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    2 bids

    cisco switch and wifi extender not recognising new broadband provider.

    $156 (Avg Bid)
    $156 Avg Bid
    28 bids
    Asterisk TEL URI Issue 5 days left
    VERIFIED

    I have small issue the asterisk is rejecting call... due to Tel URI .... INVITE sip:+9714602XXXX@xxxxxxxxx SIP/2.0 Via: SIP/2.0/UDP [login to view URL];branch=z9hG4bK34zzdzv9zdt3bthz6bzh6d6zc;Role=3;Hpt=8e42_36;TRC=ffffffff-ffffffff Call-ID: asbcqd3893uim9dfu8m1bxokwmf3duu8tf3m@[login to view URL] From: <tel:0559625523;noa=national;srvattri=national>;tag=kx1t8kw1 To: <sip:046022600@xxxxx...

    $30 (Avg Bid)
    $30 Avg Bid
    1 bids

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