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!

De 31,568 opiniones, los clientes califican nuestro VoIP Developers 4.89 de un total de 5 estrellas.
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    24 trabajados encontrados, precios en USD

    Asterisk - Incluir el primer campo, del primer formulario, asignado a una campaña de predictivo, en el nombre del archivo de la grabacion de la llamada.

    $154 (Avg Bid)
    $154 Oferta promedio
    9 ofertas

    Hi, I need someone to configure my 3cx. I have an problem Withb the outbound rule

    $30 (Avg Bid)
    $30 Oferta promedio
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    I have successfully set up Issabel, Vitger, and Telnyx. I now require a professional to complete the following tasks. - **Phone Number Configuration**: I need 3 numbers configured with the campaigns. This includes setting up call routing and other essentials for the campaign to function effectively. - **Leads Import**: The leads that need to be imported are currently stored in Google Sheets. The ideal candidate will have experience in integrating Google Sheets with the CRM and ensuring that the leads are correctly imported into the system. - **Test Calls**: I require both inbound and outbound test calls to be performed on the system. This is to ensure that all aspects of the system are functioning correctly and to identify any potential issues that may need to be addressed. - **Vtiger...

    $5 / hr (Avg Bid)
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    I am looking for Freepbx/Asterisk Expert to help me remotely migrate from AsteriskNOW to the newest stable FreePBX Distro on the same server. We also need VPN setup so our Yealink phones can connect to this system both with or without a VPN. You can help me configure one or two Yealink phones, and I can do the rest. PBX Version: PBX Distro:10.13.66-22 Asterisk Version:14.7.5 System Admin Pro Commercial version is installed, configured, and activated We will provide Anydesk access to the Windows system, which you will need to use to connect to our PBX. The system has putty with SSH access and web access to the PBX. We have less than 20 phones. Only apply for it if you are an expert at doing this and have a lot of experience. Serious inquiries ONLY, and you must put ilpPBX in the prop...

    $112 (Avg Bid)
    $112 Oferta promedio
    7 ofertas

    I'm seeking a professional IVR recording for my trucking company. The goal of the IVR system is to direct calls to the appropriate department, provide some information about the company during hold times and generally leave a good impression on callers. The IVR system needs to include the following: - Department numbers for accurate call transfers - Brief company information to keep callers informed during hold times - Estimated wait times to manage caller expectations The ideal expert for this task should have prior experience in recording IVR systems, specifically for the trucking industry would be a plus. They should also have a professional, clear, and welcoming voice. I'm looking forward to hearing from those of you that meet these criteria.

    $89 (Avg Bid)
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    22 ofertas

    I am looking for a skilled developer to create a plugin for FreePBX that will enable live audio streaming functionality. This is a real-time audio streaming tool needed to support multiple channels. Key Points: - **Functionality**: The plugin should support real-time audio streaming. It should be able to handle multiple channels simultaneously. - **Audio Sources**: The plugin should be able to stream audio from VoIP calls and conference calls. - **Compatibility**: The plugin should be compatible with both Windows and Linux platforms. Ideal Candidate: - Proficient in FreePBX development - Experienced in audio streaming technology - Familiar with VoIP and conference call systems - Able to develop software that is compatible with both Windows and Linux The successful candidate should be a...

    $21 / hr (Avg Bid)
    $21 / hr Oferta promedio
    8 ofertas

    I'm in need of an Asterisk expert to assist with the installation and implementation of a basic setup with default features, specifically focusing on voicemail setup. Key responsibilities include: - Executing the installation and configuration of Asterisk for a basic setup - Ensuring that default features are correctly implemented and operational - Setting up and troubleshooting any issues related to the voicemail system Ideal candidates for this position should have: - Proven experience working with Asterisk installations - Strong understanding of default Asterisk features - Prior experience in setting up and configuring voicemail systems - Excellent troubleshooting skills Please include in your proposal any relevant experience and examples of previous work.

    $56 (Avg Bid)
    $56 Oferta promedio
    6 ofertas

    I'm in need of an Asterisk developer who can assist me in setting up and configuring my Asterisk server, integrating it seamlessly with FreePBX and developing a custom dialplan to meet our call functionality needs. - **Configuration of Asterisk Server**: I require the selected freelancer to set up my Asterisk server to function efficiently and effectively. - **Integration with FreePBX**: The developer needs to ensure that Asterisk and FreePBX are fully integrated, allowing for seamless communication between the two systems. - **Custom Dialplan Development**: I require a custom dialplan to be developed. This dialplan is crucial for the advanced level of call functionality I require, which includes IVR, call queues, and advanced routing. The ideal candidate for this project will hav...

    $1211 (Avg Bid)
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    68 ofertas
    ASTERISK EXPERT 3 días left

    Installation and Implementation of Asterisk Key requirements: - Design and implement an IVR system that will support automatic answering and response based on the caller's input. - This system needs to provide relevant information to the callers interactively. Skills & Experience: - Proficiency in Asterisk installation and IVR setup - Experience with automatic response systems - Strong understanding of telecommunications and call center software - Problem-solving abilities and attention to detail are fundamental for this project.

    $81 (Avg Bid)
    $81 Oferta promedio
    4 ofertas

    I'm in need of a professional who can cater to the technical support needs of my customers. Key Responsibilities: - Handle both inbound and outbound calls - Provide technical support to customers - Offer guidance on using specific applications Skills and Experience Required: - Proven experience in a call center or customer support executive role - Strong technical background, especially in software and applications - Excellent communication and problem-solving skills - Ability to multitask and handle high call volumes - Experience in offering guidance on software usage The ideal candidate should be able to handle all aspects of customer technical support effectively.

    $11 / hr (Avg Bid)
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    23 ofertas

    I'm looking for a candidate who can make cold calls to UAE schools and set an appointment for me. You will get 15$ for each scheduled meeting. I will provide you with the list of schools and their phone numbers. Let me know if this seems interesting to you.

    $467 (Avg Bid)
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    24 ofertas

    I require a cloud-based web telecaller who can provide customer support services and manage call recordings. Key Responsibilities: - Handling customer queries and concerns through telephone calls - Recording calls for quality assurance and training purposes System Features: - Cloud-based hosting - Call recording feature - No need for live chat or ticketing system Ideal skills & experience: - Proven experience in customer support - Excellent communication and phone etiquette - Familiarity with call recording systems - Prior experience in a similar role is preferred Please note, your understanding of customer service principles and practices, as well as your ability to work under pressure, will be crucial for the success of this project.

    $6 / hr (Avg Bid)
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    7 ofertas

    I'm looking for an expert in freePBX to set up a cloud-based system for sales and telemarketing purposes. This system will be integrated with 1-10 Indian mobility numbers. Key Requirements: - Cloud-Based Setup: The selected freelancer should have ample experience in setting up freePBX systems on the cloud. - Sales and Telemarketing Focus: I'm seeking someone who understands the specific requirements of a system aimed at these functions, with a good understanding of how to maximize call efficiency. - Indian Mobility Number Integration: An understanding of the telecommunications landscape in India would be advantageous, as the system will need to be integrated with 1-10 Indian mobility numbers. Please share your relevant experience and approach to this project in your bid.

    $259 / hr (Avg Bid)
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    4 ofertas

    I'm looking for someone experienced in FreePBX to assist me in setting up phone applications on Yealink T54W phones, specifically the visual voicemail function. Key Points: - You'll be helping me configure the visual voicemail feature on these phones. - I've already purchased the necessary modules (Endpoint Manager and Phone Apps) for the setup. - It seems I'm facing hurdles in making the visual voicemail work, despite having the right tools. - The primary task is to troubleshoot and successfully enable this feature on my Yealink T54W phones. Ideal Skills and Experience: - Proficiency in FreePBX, especially in configuring phone applications. - Proven experience with Yealink phones, especially the T54W model. - Troubleshooting skills, particularly in resolving visual v...

    $146 (Avg Bid)
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    23 ofertas

    I'm looking for an expert in freePBX to set up a cloud-based system for sales and telemarketing purposes. This system will be integrated with 1-10 Indian mobility numbers. Key Requirements: - Cloud-Based Setup: The selected freelancer should have ample experience in setting up freePBX systems on the cloud. - Sales and Telemarketing Focus: I'm seeking someone who understands the specific requirements of a system aimed at these functions, with a good understanding of how to maximize call efficiency. - Indian Mobility Number Integration: An understanding of the telecommunications landscape in India would be advantageous, as the system will need to be integrated with 1-10 Indian mobility numbers. Please share your relevant experience and approach to this project in your bid.

    $210 / hr (Avg Bid)
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    5 ofertas
    FreePBX 2 mins task 1 día left
    VERIFICADO

    I need a simple task done in FreePBX where incoming calls will be routed and forwarded to external number This task should not take more than 2 minutes for an experienced FreePBX user.

    $12 (Avg Bid)
    $12 Oferta promedio
    8 ofertas

    I'm in need of an experienced PBX / VOIP / SBC engineer who can address several issues with our customers phone systems system. The primary goal of this project is to troubleshoot and maintain current systems. Key Responsibilities: - Troubleshoot ongoing call quality issues - Investigate and resolve call drops - Address any connectivity problems Skills Required: - Extensive experience with Asterisk and other PBX systems - In-depth knowledge of VOIP network architecture - Proven track record in troubleshooting and maintenance Please only apply if you have a strong background in VOIP technologies and are confident in your ability to resolve issues.

    $16 / hr (Avg Bid)
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    13 ofertas

    I already have a Twilio account set up to forward incoming calls to a mobile phone number (phone number 1). If that call cannot be answered after 10 seconds, then I would like to forward the call to another number (phone number 2).

    $152 (Avg Bid)
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    14 ofertas

    I'm seeking a skilled MikroTik developer with expertise in RouterOS customization, specifically firewall configurations. Key tasks will include: - Customizing existing firewall settings - Comprehensive integration with PMS (Property Management Systems) The ideal candidate has prior experience in network and firewall configuration, along with a robust understanding of MikroTik RouterOS. Proficiency in PMS integration is also a prerequisite for this project. Dialogue will be necessary throughout the project to ensure clarity and precision in meeting the project's objectives.

    $304 (Avg Bid)
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    12 ofertas

    I am looking for an expert who can help me set up a SIP trunk server using Twilio as the SIP provider. This server will be used for both voice calling and SMS messaging. Key Responsibilities: - Establishing a SIP trunk server with configurations optimized for Twilio - Implementing call management features like Call Recording, Call Forwarding, and Interactive Voice Response (IVR) - Ensuring seamless integration of both voice and SMS capabilities - Providing recommendations for server security and performance optimization Ideal Candidate: - Extensive experience with SIP trunking, particularly with Twilio - Proficiency in configuring and customizing SIP trunk servers - Proven track record in implementing call management features such as Call Recording, Call Forwarding, and IVR - Strong und...

    $6 / hr (Avg Bid)
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    6 ofertas

    I need to migrate our current Microsoft Teams calling system to RingCentral. This is a critical project for our organization and I'm looking for an experienced professional to handle it seamlessly. Here's an overview of the key aspects of the project: - Migrate from existing VoIP system to RingCentral including porting existing phone numbers - Ensure all the features we need are properly set up in RingCentral, specifically call forwarding and auto-attendant - Complete the migration with minimal downtime and disruption to our business operations - Provide training to 11-50 employees on how to use the new RingCentral system Ideal skills and experience: - Proven experience in VoIP system migration - In-depth knowledge of RingCentral system and its features, particularly call forwa...

    $19 / hr (Avg Bid)
    $19 / hr Oferta promedio
    14 ofertas

    **Job Description:** **Title:** Development and Implementation of an Outgoing Predictive Dialer System **Description:** We are seeking an experienced freelancer to develop and implement a robust outgoing predictive dialer system for our call center operations. The ideal candidate will have a strong background in telephony systems, database management, and CRM integration. The dialer should support dynamic caller ID, IP whitelisting, multiple campaigns, and a minimum of 10 representatives. **Responsibilities:** - Develop an outgoing predictive dialer system that integrates with our existing telephony infrastructure. - Implement dynamic caller ID functionality. - Ensure the system supports IP whitelisting for added security. - Configure the dialer to handle multiple campaigns simultaneou...

    $1687 (Avg Bid)
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    34 ofertas

    I'm seeking a seasoned professional to help me build an advanced Cisco Modeling Labs system for a training environment. Key Components: - The critical function of this project is to establish a virtual networking system. This allows for realistic simulations and genuine hands-on experience. Ideal Candidate Skills: - Have proven past work showcasing your expertise in Cisco Modeling Labs and virtual networking. - Understanding of the intricate nature of network simulations, ideally in a training context. - Solid grasp of network device emulation. If you have the skills and experience to produce a high-quality, functional and user-friendly training tool, I'd love to hear more about your past work.

    $225 (Avg Bid)
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    14 ofertas

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