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! VoIP Developers anheuern

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    34 Gefundene Jobs, Preise in EUR

    Hello, I am looking for a developer who will customize the Linphone Desktop 4.1.1 for both Windows and Mac Desktops as per needs. Please reply in case if you have done any apps using Linphone Desktop and I shall provide further details. Please do reply only if you have worked with linphone Desktop before. As per linphone latest version, let me also know if you can do Web Integration for chro...

    €236 (Avg Bid)
    €236 Gebot i.D.
    2 Angebote

    I need a mobile dialer for my customer to connect with voip switch and make call same like this : [Zur Anzeige der URL Anmelden]

    €394 (Avg Bid)
    €394 Gebot i.D.
    34 Angebote

    Connect 10 Voip phones and five computers to a router.

    €143 (Avg Bid)
    €143 Gebot i.D.
    17 Angebote
    Cisco Network Engineer 1 Tag left
    VERIFIZIERT

    Location of the Job: NEW YORK (USA) Type of the job: On-Site Duration: 1 to 2 Days Max Hi, We need a Cisco Field Engineer to do a LAN MAINTENANCE IN NEW YORK estimated job is one day. please see attached document for the job description let me know if you have questions.

    €33 / hr (Avg Bid)
    Lokal
    €33 / hr Gebot i.D.
    13 Angebote
    VoIP Leads 6 Tage left

    We are looking for business to business B2B telesales agents to generate qualified leads of companies interested in upgrading their current telephone system, saving money on their current telephone system or also companies looking for a new telephone system. We offer a competitively priced Hosted VoIP system. Money held in Milestone until completion. The project must yield 100 qualified leads t...

    €408 (Avg Bid)
    €408 Gebot i.D.
    3 Angebote

    We have Multiple Cisco AS5400 Universal Gateway which need to be configured purely as SIP Media Gateway to process the RTP. This Cisco AS5400 won't interface with any PSTN E1/T1. It would be controlled and communicated to Media Gateway Controller via MGCP protocol. The following need to configured in-order to communicate with Media Gateway Controller and process RTP Media . Configure MGCP en...

    €195 (Avg Bid)
    €195 Gebot i.D.
    3 Angebote
    FreePBX Support 5 Tage left

    FreePBX support required for a high availability deployment on Xen VM's. Task requires a "health check" and snapshot report with recommendations.

    €518 (Avg Bid)
    €518 Gebot i.D.
    10 Angebote

    Hi, We want a people working from " the given list of countries " on our testing project. Project Requirement : 1) The person should be very much reliable and quick responsive. 2) Stable Power 3) stable good speed internet WIFI connection. 4) A person should be trustworthy ------------------------------------------------------------------------------------------------------------------...

    €22 (Avg Bid)
    €22 Gebot i.D.
    4 Angebote

    integrate a sip trunk through Issabel and Twillio Elastic, add ivr call control twilio studio.

    €385 (Avg Bid)
    €385 Gebot i.D.
    7 Angebote

    I am looking for a serious telemarketer, to make outbound sales calls, with a bit of admin work, Rates will be discussed via chat, Please let me know if you're serious looking forward to increasing your earning potential

    €5 / hr (Avg Bid)
    €5 / hr Gebot i.D.
    11 Angebote

    We need an application that runs on Android phones (4.0 or above) and can receive calls through SIP and forward it to the GSM network. The application should then forward the audio and convert from SIP to GSM and vice versa. Full description below. Please review and message me with considerations. If any requirements are unable to be met, please let me know before we make a deal. General Deliver...

    €1111 (Avg Bid)
    €1111 Gebot i.D.
    11 Angebote
    Video Streaming using FFMPEG 5 Tage left
    VERIFIZIERT

    Video Streaming using FFMPEG , please check it (Dynamic Adaptive Streaming over HTTP)

    €60 (Avg Bid)
    €60 Gebot i.D.
    5 Angebote

    We are looking for an expert who can setup Newfies dialer + AMD Setup. Please dont bid if you not worked with Newfies before

    €3337 (Avg Bid)
    €3337 Gebot i.D.
    2 Angebote

    -goautodial on my azure server -configure a trunk -create a small test campaign to dial out a survey campaign with 2-3 contacts only Please reply with time to finish project besides cost

    €133 (Avg Bid)
    €133 Gebot i.D.
    7 Angebote

    Hello, Required solid programmer who can develop an App on android. Below is the requirements 1. Voice call [P2P] 2. Video Call 3. Voice Call conferencing 4. Video Call conferencing 5. Chat [P2P] 6. Email Integration [Incl Attachments max 5 MB] 7. File Sharing Must share the Code also.

    €954 (Avg Bid)
    €954 Gebot i.D.
    24 Angebote
    linphone customzation 4 Tage left
    VERIFIZIERT

    Hello We're looking for a Linphone developper to make our VOIP app. Thanks

    €532 (Avg Bid)
    €532 Gebot i.D.
    14 Angebote

    Applicattion to make telephony reports getting info with web Services from a voip provider. Reports must be stored in mysql and published on web.

    €446 (Avg Bid)
    €446 Gebot i.D.
    15 Angebote

    Hi I am looking for an expert in Cisco Nexus switches and Catalyst switches to add class-maps, policy-maps and service-map to prioritize [Removed for encouraging offsite communication which is against our Terms and Conditions -Section 13:Communication With Other Users] for business application conference calls. Please let me know if you have done it before and it you have experience in this. Thank...

    €69 (Avg Bid)
    €69 Gebot i.D.
    10 Angebote

    Please show your previous work on A2billing and goautodial. Please type A2billing in the beginning of your bid descriptions.

    €463 (Avg Bid)
    €463 Gebot i.D.
    8 Angebote
    Need experience with PBX VoIP 3 Tage left
    VERIFIZIERT

    Hello, I want to build the Android&iOS app using VoIP technology. It has simple design and functions. And can be done using any language, but want to fast and good UX/UI

    €1248 (Avg Bid)
    €1248 Gebot i.D.
    24 Angebote

    voip server, voip sim, mobile dialer app

    €158 (Avg Bid)
    €158 Gebot i.D.
    8 Angebote
    Telemarketing 3 Tage left

    Telemarketer Job Summary: The telemarketer will make outbound cold calls to potential customers to share information about the company/organization and sell our services. Will be able to persuade potential customers, close sales, and quickly move on to the next sale. The telemarketer will track and record calls, and represent the company in a professional manner. Telemarketer Duties and Respons...

    €3 / hr (Avg Bid)
    €3 / hr Gebot i.D.
    14 Angebote

    Currently running freeswitch ver1.6.20, would need expert's help to implement iOS push notification to trigger linphone sip client to register and ring.

    €284 (Avg Bid)
    €284 Gebot i.D.
    5 Angebote

    Hello, we are looking for a professional Callcenter wich is possible to make telesales and accept payments by credit card by phone. Callcenter should speak perfectly English and German. We will give you an access to our customer database where you can get all necessary datas of our customers. If you have your own system like "Salesforce" we can share you the xml or csv with our custome...

    €51 / hr (Avg Bid)
    €51 / hr Gebot i.D.
    27 Angebote
    Build a voip Soft Switch 2 Tage left
    VERIFIZIERT

    we want to get developed a Class 5 Voip Soft switch sports sim and G729 Codec. Class 5 SoftSwitch development renders intelligent programmable routing that includes a management interface for configuration and reporting. Clients can log on to the system to manage calls; they can access IP gateways and get exclusive AAA billing solutions for telecom industries.

    €1853 (Avg Bid)
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    11 Angebote
    Pentesting 2 Tage left
    VERIFIZIERT

    need a software that can automate the uses of, viproy, sipvicious, wireshark and any other useful tools for testing Asterisk. To gain username, password, I.P and ports, believe Kali Linus is needed Also needed is cc dialer Open VPN with For I have read is good, what do think is possible

    €549 (Avg Bid)
    €549 Gebot i.D.
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    Hi, In my application logic, i am intercepting all outgoing calls made by Android Dialer using PhoneStateListner and making call via my VOIP server inside the application. So this functionality is working properly in all Android version up to 8.1. But in new release of Android 9.0 they have restricted reading any outgoing or incoming phone call numbers. So in this case our app Interception logic...

    €71 (Avg Bid)
    €71 Gebot i.D.
    4 Angebote

    Freepbx we need show name Queue Or Trunk

    €27 / hr (Avg Bid)
    €27 / hr Gebot i.D.
    18 Angebote

    I like to show account balance of A2billing soft-switch on Zoiper lite . That's why need to modify a file name [Zur Anzeige der URL Anmelden] of a2billing to send data format in xml as describe in [Zur Anzeige der URL Anmelden]

    €90 (Avg Bid)
    €90 Gebot i.D.
    2 Angebote

    I have a Voice/SMS termination gateway that I can use for terminating traffic. Currently I am able to terminate voice through the gateway. The gateway has provision for terminating SMS and has SMPP fields. I need assistance in setting up the gateway to [Zur Anzeige der URL Anmelden] SMS

    €127 (Avg Bid)
    €127 Gebot i.D.
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    Inbound / Outbound Call Centre Bpo Projects

    €323 (Avg Bid)
    €323 Gebot i.D.
    18 Angebote

    To create an Asterisk program (to be hosted on our own server that we have full rights over) which our mobile developers (ios and android) could send requests to the new server program via either TCP or HTTP (TBC) that would include; 1. the mobile number to call 2. the desired caller ID 3. the length of the call - short as possible to create a missed call to the mobile This is for mobile app ver...

    €28 / hr (Avg Bid)
    €28 / hr Gebot i.D.
    13 Angebote

    I'm using FreePBX [Zur Anzeige der URL Anmelden] and I've SQL DB with customer table. Customer table have customer ID, name, phone number, ... and I need: 1. I want write macro, AGI script to change from customer's ID to customer's phone number. So when user call to customer they don't need to know customer's phone number, user call to customer by dial customer's...

    €63 (Avg Bid)
    Garantiert
    €63
    2 Einträge
    Linphone Windows and Desktop development 16 Stunden left
    VERIFIZIERT

    Hello, We are looking for Windows Phone and Desktop SIP application with our branding using Linphone. Do you have expertise? If yes please mention in the start of the bid what coding technology is used for Windows Phone and Desktop.

    €500 (Avg Bid)
    €500 Gebot i.D.
    6 Angebote

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