VoIP, otherwise known as Voice over Internet Protocol, is a digital solution for telecommunication that utilizes the transmission of voice through the use of data over the internet. This technology is typically adopted for both commercial and privately used applications. VoIP developers specialize in programming telecommunication systems using data transmission to provide efficient services for audio and video functions.

VoIP developers are highly sought after professionals as they can create a versatile and advanced system for both desktop and mobile devices. This can include creating a more interactive experience for customers with multi-way calls, conference calls, video conferencing and voicemail systems. VoIP developers can set up your business’s phone system such as forwarding calls remotely to other devices with extensions or even communicating with customers utilizing software like Callcentric, Flowroute or Voxbone.

Here's some projects that our expert VoIP Developer made real:

  • Secured and configured private networks by implementing security measures like IP SLA, NAT and ACLs
  • Integrating SIP trunks between billing platforms, PBXs and VoIP applications
  • Setting up Postfix mail server on Linux systems with TLS authentication and encryption
  • Installing and configuring sip telephony software like ASTPP into businesses
  • Developing web applications that can send and receive SMS messages utilizing VoIP APIs

Our expert VoIP Developer have created numerous projects to help business owners manage their telecommunications in a professional bet. Our developer have an array of experience in creating a secure and reliable system customized to each client demands. If you're looking to improve or create your business’ communication system, then post your project today on Freelancer.com to hire one of our skilled professional VoIP Developers today!

30,036 értékelés alapján az ügyfelek 4.8 / 5 csillagot adtak VoIP Developers szabadúszónknak.
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    21 munka, árazás ebben: EUR
    Sip dialer for Android 6 nap left
    HITELESÍTETT

    I am in need of a skilled Android developer to create a sip dialer application for me. The application should have the following features: - Call recording - Call transfer - Video calling (optional, but preferred) I am unsure if I require any form of encryption for the calls, so the developer should have experience in implementing secure communication protocols. While I do not have a specific design in mind, I would prefer a user-friendly interface for the dialer. The developer should have experience in creating intuitive and visually appealing user interfaces. Overall, I am looking for a reliable and experienced Android developer who can create a high-quality sip dialer application with the aforementioned features and a user-friendly interface.

    €19 (Avg Bid)
    €19 licitátlag
    2 árajánlat
    Twilio Expert Required. 6 nap left
    HITELESÍTETT

    Twilio Expert Required I am seeking a Twilio expert to assist with voice call integration. Skills and experience required: - Proficiency in Twilio's voice call services - Strong understanding of IVR system integration - Expertise in call recording and call forwarding functionalities Timeline: - The expected timeline for completing the Twilio integration is to be determined.

    €270 (Avg Bid)
    €270 licitátlag
    13 árajánlat
    Need help with Twilio ring group 6 nap left
    HITELESÍTETT

    Currently my calls are submitted to a TwiML App for tracking using dial verb and saving call data to db. I need somebody to expand on this and add a ring group when calling where it: 1. Plays a message or Says a message to caller 2. Ring up to 4 numbers (depending on setting) at the same time (example: 951-222-2222, 951-333-3333, 951-444-4444) 3. When a recipient picks up, Twilio will <say> message "You have a call for {company_name}, press any key to be connected" 2x 4. Recipient will have 3 extra seconds to press any key <gather> to be connected. before a disconnect 5. We continue to ring all other numbers until the first person presses a digit to be connected 6. We stop all other calls (once recipient presses a digit) 7. We play message that recipient hears &quo...

    €225 (Avg Bid)
    €225 licitátlag
    28 árajánlat
    Kamailio Websocket Registrar Proxy 6 nap left
    HITELESÍTETT

    I am looking for a skilled developer to setup a Kamailio Server with Websocket. Running as registrar proxy. I already have existing SIP server/SIP registrar already. The desired functionality of the Kamailio Websocket registrar proxy is to proxy WebSocket traffic and registrations. Requirements: - Experience with Kamailio Websocket registrar proxy Timeline: - The project needs to be completed in less than 1-2 month. If you have the necessary skills and experience, please submit your proposal.

    €558 (Avg Bid)
    €558 licitátlag
    13 árajánlat
    Sippy soft switch installation 5 nap left
    HITELESÍTETT

    Hey, I need a voip expert to install sippy softswitch on my server.

    €480 (Avg Bid)
    €480 licitátlag
    26 árajánlat
    set up freeswitch for voice call 5 nap left
    HITELESÍTETT

    Hi. Our backend is node.js and frontend is KMM. We need a setup for voice call by freeswitch. If you experience of this , i love to talk about the task. it's for application call between user (one to one)

    €488 (Avg Bid)
    €488 licitátlag
    17 árajánlat

    OpenWRT Module for a Wireless Router Specific Features: - Wireless security - Traffic shaping - VPN support Preferred Wireless Router Model: - Client will provide the router Level of Expertise Required: - Expert We are seeking an experienced developer to create an OpenWRT module for a wireless router. The module should provide an API for mobile testing features which the client will provide. This module will drive two modems embedded inside the router. The client will also provide the router for the project. We require an expert level of expertise for this project.

    €2256 (Avg Bid)
    €2256 licitátlag
    13 árajánlat

    I am seeking an expert in Plivo VOIP and PBX IVR configuration to assist me with my project. Specifically, I need assistance with setting up IVR menus and configuring call routing. For call routing, I do not have a preferred strategy, so I am open to suggestions. I need someone to setup to do IVR, setup greeting message, music on hold, voicemail, hours of operation routing and etc. If you are hired, I will provide Diagrams and prerecorded audio files. You must have all necessary skills and experience working with Plivo. Calls will be routed to a mobile app that you recommend unless Plivo has one. Ideal skills and experience for this job include: - Extensive knowledge of Plivo VOIP and PBX IVR configuration - Experience in setting up IVR menus - Proficiency in configuring call ro...

    €13 / hr (Avg Bid)
    €13 / hr licitátlag
    8 árajánlat

    I am looking for a freelancer who can help me with the customization, configuration, and integration of Odoo CRM. Odoo CRM - 1 Database Lead provider will give us the lead from they're dashboard through API, they're dashboard will be connected to our dashboard via api. We need to be able to report the leads, For example, we got 100 leads and 10 are fake so we can mark the leads and report to the provider. also for 10 fake we won't pay. some thing like this. All client database will be connected with the main database through a connector. cleint will get the lead details from our database and we also need to get the report of the leads from client dashboard. then the report will be sent to the lead provider. Ideal skills and experience for the job: - Strong knowledge a...

    €490 (Avg Bid)
    €490 licitátlag
    15 árajánlat

    el proyecto es el siguiente nesecito una persona que pueda ser un servidor o una pagina web donde pueda ser una llamada y recibir la respuesta de esa llamada en una archivo json o en una base de datos

    €617 (Avg Bid)
    €617 licitátlag
    20 árajánlat

    Kérjük, regisztráljon vagy jelentkezzen be a részletek megtekintéséhez!

    Kiemelt Rejtett

    I am looking for a freelancer who can help fix the issue with the Vicidial inbound carrier stats for my existing business. The specific problem we are experiencing is missing data in the reporting. We need this issue to be resolved within one day. Skills and experience required for this project: - Expertise in Vicidial and inbound carrier stats - Strong troubleshooting and problem-solving skills - Experience with data analysis and reporting - Familiarity with call center operations - Ability to work efficiently and meet tight deadlines

    €147 (Avg Bid)
    €147 licitátlag
    11 árajánlat

    I am looking for a freelancer who can help me integrate WHMCS with both VOIP systems and Broadband providers. Specific integration tasks include: - Integrating WHMCS with VOIP systems - Integrating WHMCS with Broadband providers I have specific features in mind that I would like to be included in the integration. The project needs to be completed within 1-2 weeks. Ideal skills and experience: - Experience with WHMCS integration - Knowledge of VOIP systems and Broadband providers - Ability to implement specific features in the integration - Timely and efficient completion of the project

    €118 (Avg Bid)
    €118 licitátlag
    18 árajánlat
    Looking for expert on VOIP project 3 nap left
    HITELESÍTETT

    Project Title: Expert VOIP Developer Needed for Customer Service Conference Calling Project with CRM Integration I am in need of an expert VOIP developer to assist me with a customer service project that requires conference calling functionality and CRM integration. The primary purpose of the VOIP system will be for customer service purposes. Specific VOIP Features Required: - Conference calling Primary Purpose of the VOIP System: - Customer Service Additional Integrations Required: - CRM integration Ideal Skills and Experience: - Strong knowledge and experience in VOIP development - Expertise in conference calling functionality - Experience with CRM integration with VOIP systems - Familiarity with customer service requirements and best practices attach your previous work with VOIP ...

    €12 / hr (Avg Bid)
    €12 / hr licitátlag
    40 árajánlat

    Project Description: I am looking for a freelancer who can help me recover operating system and set up a Cisco UC540 / UC560 system. I have the necessary recovery tools and software for my operating system. We have 5 Cisco UC540 and Cisco UC560 to be factory reset. Skills and Experience Required: - Strong experience with recovering Windows operating systems - Expertise in setting up Cisco UC540 / UC560 systems - Knowledge in troubleshooting and resolving OS and Cisco system issues - Familiarity with network configuration and management

    €128 (Avg Bid)
    €128 licitátlag
    9 árajánlat

    Hi, I already do website and I am a wordpress/woocommerce expert, I just need to set a website that permit to pay in advance some credit to call some phone virtual numbers (where the people can answer from them smartphone) and the callers has to pay in advance with credit card, paypal or similar, the minutes to can call. when the credit end, the nphonecall end too or the credit would get charged automatically.. I need this tye of solution, if somethign is not clear, please let me know.

    €127 (Avg Bid)
    €127 licitátlag
    63 árajánlat
    Vicidial Configuration -- 3 3 nap left
    HITELESÍTETT

    I am looking for a freelancer who can help me configure Vicidial for my project. The specific features I want to configure include: - Inbound Calling - Outbound Calling - Call Monitoring I already have a Vicidial server set up, so the freelancer will not need to set up the server for me. I do not need any training or ongoing support for Vicidial. However, I do need the freelancer to enable call shifting and campaign for all users. Also i have issue wit Country campaing connection Ideal skills and experience for this job include: - Expertise in Vicidial configuration - Knowledge of inbound and outbound calling - Experience with call monitoring If you have the necessary skills and experience, please submit your proposal. Thank you.

    €152 (Avg Bid)
    €152 licitátlag
    10 árajánlat
    Assit with VOIP set up 2 nap left
    HITELESÍTETT

    I have been using a voip system that was setup by someone else. Recently it stopped working. I tried to login to fusion PBX but can't login anymore it says password not recognised. All other features of the system are working i.e domain name, telynx all ok need someone to help get it restarted

    €157 (Avg Bid)
    €157 licitátlag
    22 árajánlat

    I am looking for a freelancer who can provide ongoing support for my VoIP phone system. The ideal candidate should have experience in troubleshooting and maintenance of VoIP services. Skills and experience needed for this project include: - Strong knowledge of VoIP systems and protocols - Ability to troubleshoot and resolve issues related to VoIP phone systems - Experience in performing regular maintenance tasks for VoIP systems The freelancer should also be familiar with the necessary hardware and software required for VoIP phone systems. The support needed will be on a regular basis, so the freelancer should be available to provide assistance whenever required.

    €1139 (Avg Bid)
    €1139 licitátlag
    11 árajánlat
    want someone to develope PBX system 17 óra left
    HITELESÍTETT

    I am looking for a skilled developer to create a Cloud-based PBX system with the following requirements: Features: - Call Recording capability - Auto Attendant for efficient call routing - Voicemail to Email functionality for convenient message retrieval Requirements: - The system should support more than 50 lines or extensions Ideal Skills and Experience: - Experience in developing Cloud-based PBX systems - Proficiency in integrating call recording functionality - Knowledge of setting up Auto Attendant and Voicemail to Email features - Ability to handle a large number of lines or extensions If you have the necessary expertise in building Cloud-based PBX systems with call recording capabilities and can handle a high volume of lines or extensions, please submit your proposal.

    €459 (Avg Bid)
    €459 licitátlag
    12 árajánlat
    Rack & Stack Véget ért left

    Technician must use one button router testing rack & stack routers. MIS Onsite Installation and TTU Activation (Not IPPLEX/VOIP)

    €41 / hr (Avg Bid)
    €41 / hr licitátlag
    2 árajánlat

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