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 28,765 opiniones, los clientes califican nuestro VoIP Developers 4.8 de un total de 5 estrellas.
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    22 trabajados encontrados, precios en USD

    I am looking for a freelancer to help me with setting up and customizing VICIdial for my sales team. Here are the details of the project: Size of Sales Team: 10-20 members VICIdial Setup: I need the freelancer to set up VICIdial from scratch as it is not currently installed. Customization Requirements: The specific customization required for the VICIdial system is CRM Integration. Ideal Skills and Experience: - Experience in setting up VICIdial from scratch - Familiarity with CRM Integration and configuring VICIdial to integrate with a CRM system - Knowledge of call center operations and sales processes If you have the necessary skills and experience in VICIdial setup and customization, especially in CRM Integration, please submit your proposal. We are looking for a freelancer to ...

    $876 (Avg Bid)
    $876 Oferta promedio
    20 ofertas

    I'm in need of an experienced service provider to install and configure a PBX system with 25 extensions. The system I need is an on-premise one which does not require integration with CRM or any other software. I expect the service provider to be well versed in PBX installation and configuration and have experience with similar systems. The project requires all necessary supplies, installation, and configuration of the PBX system with 25 extensions. Upon completion of the job, I would like to be fully operational with the new system.

    $116 (Avg Bid)
    $116 Oferta promedio
    5 ofertas

    I am looking for an expert developer who can assist me with the configuration of Five9 and the agent scripting. Specifically, I need help with the agent scripting aspect of Five9. Skills and experience required: - Expertise in Five9 configuration - Proficiency in agent scripting - Familiarity with IVR setup and call routing is a plus Project requirements: In Predictive Dialing Mode and All in one campaign Once a client pickups up.. We will provide a ranked list of agents per client, in other words each client has a different priority list of agents. This needs to be stored and accessible. If there are 1 M clients there will be 1 M ranked agents. When a client pickup up, Five9 needs to select the best agent who is available instead of the usual who has been witing the longest. ...

    $38 / hr (Avg Bid)
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    13 ofertas

    I am looking for a freelancer who can help me resolve an issue with my Kamailio server. Currently, my server has a customized configuration. I have been experiencing an issue where calls are disconnecting after 60 seconds. Unfortunately, I do not have specific error messages or issues to share at the moment. My expected outcome after the issue is resolved is to have calls not disconnecting after 60 seconds. Ideal skills and experience for this job include: - Strong knowledge and experience with Kamailio server configuration - Troubleshooting skills to identify and resolve the issue - Understanding of SIP and VoIP protocols - Ability to work with customized configurations - Attention to detail to ensure calls stay connected beyond 60 seconds If you have experience with Kamaili...

    $25 (Avg Bid)
    $25 Oferta promedio
    2 ofertas

    We would like to install a fresh FusionPBX on VPS server what we need it secure: a. Firewall b. SSL / TLS (Let’s Encrypt) c. XML RPC d. Fail2ban e. Sip registration from nated networks issues like sorting out one way voice etc. Do test make sure everything works for multitenent clients etc. . Please message me for more inquiry that i need. Thank you.

    $100 (Avg Bid)
    $100 Oferta promedio
    4 ofertas
    Custom software for callcenter 6 días left
    VERIFICADO

    We are looking to create a custom software solution for my callcenter in the UAE, where calling mobile numbers through internet is not possible. We are looking to create a tool which automatically calls through a list of numbers, interacts with receivers in a basic manner using pre-recorded sentences, then updates the status of the lead in our CRM at Bitrix24. Design is irrelevant, we only care about functionality. More details about exact functionality will be discussed later, but this projects requires a lot of creativity and problem-solving. We are open to any solution, no matter how creative, which achieves the objective. The task is made more difficult due to inability to make phone calls via internet in the UAE. Rooted android phones are available to be used in the solution.

    $1455 (Avg Bid)
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    55 ofertas

    Sales Generation for VoIP Company - Paid on Results Only Telesales Target Market: Small businesses VoIP Services: Business VoIP services Sales Generation Expectations: 1-10 sales per week Skills and Experience Needed: - Proven track record in telesales and lead generation - Excellent communication and persuasion skills - Knowledge of VoIP services and their benefits for small businesses - Ability to identify potential clients and tailor sales pitches accordingly - Experience in meeting sales targets and working on a commission-based structure - Familiarity with CRM software for tracking leads and managing sales pipeline Project Details: - We are a VoIP company specializing in business VoIP services. - We are looking for a skilled telesales professional to generate sales for our compan...

    $20 / hr (Avg Bid)
    $20 / hr Oferta promedio
    4 ofertas
    call center 5 días left

    I am looking to outsource my call center needs and requires both inbound and outbound calls. The nature of the calls will be primarily customer support and the expected volume of calls per day is less than 100. This project will require a call center that can provide quality service and excellent customer support. Any additional features or services the call center can offer will be greatly appreciated. The right team for this project should also be able to handle peak periods and ensure that customer inquiries are taken care of in a timely manner.

    $145 (Avg Bid)
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    23 ofertas

    I am looking for a skilled freelancer to create a WIFI relay network using the ESP32 module that eill stream over 300 IPTV channels. The project requires the following: Range: The desired range of the WIFI relay network is 5 kilometers each repeater of the network. Devices: The network should be able to connect to a variety of devices, including smart home devices, smartphones, tablets, laptops, and computers. Capacity: The network should be able to handle a large number of devices connecting simultaneously, with an expected number of above 3000 devices. Ideal Skills and Experience: - Experience with ESP32 module and WIFI relay networks. - Proficiency in programming and configuring network settings. - Knowledge of smart home devices and their integration with WIFI networks. - Ability ...

    $500 (Avg Bid)
    $500 Oferta promedio
    3 ofertas

    I am seeking an experienced developer to assist with the deployment debugging of an Asterisk based CRM. The specific issue that needs to be resolved is integration problems with other systems. Skills and Experience Required: - Proficiency in Asterisk and CRM systems - Strong knowledge of integrating systems with databases, third-party software, and hardware - Experience in troubleshooting and resolving integration issues - Ability to work under pressure and meet tight deadlines, as this project is of high priority.

    $172 (Avg Bid)
    $172 Oferta promedio
    5 ofertas

    Hello! I am looking for a freelancer to test SIP VoIP products for me. Specifically, I need help testing SIP based speaker + microphone devices. I do have access to the necessary testing equipment and software, so I will not need the freelancer to provide any of these. Furthermore, my primary aim in testing these VoIP products is to evaluate how new features are functioning. If you think you can assist with this, I would be grateful if you could reach out and let me know. Thank you!

    $25 / hr (Avg Bid)
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    18 ofertas

    Sales Generation for VoIP Company - Paid on Results Only Telesales Target Market: Small businesses VoIP Services: Business VoIP services Sales Generation Expectations: 1-10 sales per week Skills and Experience Needed: - Proven track record in telesales and lead generation - Excellent communication and persuasion skills - Knowledge of VoIP services and their benefits for small businesses - Ability to identify potential clients and tailor sales pitches accordingly - Experience in meeting sales targets and working on a commission-based structure - Familiarity with CRM software for tracking leads and managing sales pipeline Project Details: - We are a VoIP company specializing in business VoIP services. - We are looking for a skilled telesales professional to generate sales for our compan...

    $549688 (Avg Bid)
    $549688 Oferta promedio
    8 ofertas
    API intergration 3 días left

    Integrate VOIP software into CRM system

    $332 (Avg Bid)
    $332 Oferta promedio
    39 ofertas

    I am looking for a developer to develop a call forwarding pannel and pbx panel on freeswitch voip. The call forwarding panel and pbx panel should include advanced call forwarding with scheduling and should include integrated voicemail and call recording. I am not sure which VoIP provider to use and would appreciate advice in this regard. I am targeting completion within a month. The successful developer will be knowledgeable and experienced in using freeswitch VoIP in order to complete the project. If this project is completed to my satisfaction, I will consider having the developer complete additional projects with me. Looking forward to hearing from an interested and qualified candidate. No asterisk Candidate. Only Freeswitch other voip developer only.

    $700 (Avg Bid)
    $700 Oferta promedio
    18 ofertas
    Freepbx configuration 4 2 días left
    VERIFICADO

    I have a VOIP PBX based on Freepbx with 2 extension . I need to do the following configurations: 1) When a call comes in, both phones must ring; 2) If the call is answered from one of the two phones and in the meantime another call comes in, the caller must simply get the busy signal 3) While talking from one of the two telephones it must be possible to make a call from the other, i.e., the one that is not busy. 4) When a call comes in, and no one can answer, after a certain number of rings (8) play message "operator not available try again later". 5) The answering machine should answer only when it is activated with the night and day option with code *280

    $38 (Avg Bid)
    $38 Oferta promedio
    13 ofertas
    jerasoft Billing 2 días left
    VERIFICADO

    need some one give me training jerasoft for part related to voip retail

    $20 (Avg Bid)
    $20 Oferta promedio
    1 ofertas

    I need asterisk to do the following: 1. asterisk Dial to callee 2. Callee pick up the call and the call is answered/ bridged 3. After X seconds, asterisk will inject DTMF tone 4. Caller will not be able to hear the DTMF.

    $420 (Avg Bid)
    $420 Oferta promedio
    5 ofertas

    Receive phone calls (with the api of Twilio, or Vonage, Telnyx, etc) for payment and the clients Pay with with Stripe or Paypal online to call at these virtual italian phone numbers Hello! I just need to set up a buy-form (to insert into a wordpress webpage) that permits me to pay in advance some credit to call some Italian phone numbers (landline or mobile is not important, the cheapest would be the best.. so for example a virtual italian phone number that cost 3 euro monthly, is better of a number that cost 30 euro monthly, also because I will need to configure multiple numbers, at least 4-5 and in future maybe more.. ) and the callers has to pay in advance (with paypal or stripe) the minutes to can call. When pre-paid the credit ends, then the phone call ends too or the credit would Se...

    $196 (Avg Bid)
    $196 Oferta promedio
    16 ofertas

    The budget amount if yearly. Any standard or non specific proposal with the information requested below would be ignored I need a voip platform that allows me to provide virtual phone service to small companies in the USA. My customers are small new companies, most of them with very basic features request and no more than 2 user each (most of them only 1 user), Features required are: 1. private VoIP phone line (with a local US code) 2. can use to call, text, and check your voicemail from your computer or mobile device. 3. Call Forwarding to any U.S. number, 4. Outbound Caller ID Display with the small business company name 5. Ability to cap the amount of minutes per month for incoming and outgoing 6. Generate usage reports Each company should not be able to see any configuration or listi...

    $2424 (Avg Bid)
    $2424 Oferta promedio
    51 ofertas

    I am looking a Call center ( auto dialer software ) person who install or work on such type of system if you have experience then contact us ..

    $2486 (Avg Bid)
    $2486 Oferta promedio
    15 ofertas

    I am looking for a freelancer who can assist me with setting up a trunk in fusionpbx for outbound termination (not inbound). I currently use as my VoIP provider outbound termination. Requirements: - Set up Fusionpbx trunk for outbound termination - Implement necessary configurations for proper functioning of the trunk - include step by step instructions of what needs to be done to accomplish it Skills and Experience: - Strong knowledge and experience in Fusionpbx and - Expertise in configuring and setting up VoIP trunks - Familiarity with Caller ID features and call routing - Ability to troubleshoot and resolve any issues that may arise during the setup process Please specify any specific requirements or features you would like to implement so that I can provide you with the best a...

    $24 (Avg Bid)
    $24 Oferta promedio
    3 ofertas
    3CX Installation on Digital ocean Finalizado left
    VERIFICADO

    Install 3CX PBX on digital ocean using dataphone as a SIP provider . You must have installed on digital ocean before or used dataphone as a SIP provider. You need to successfully get the 3CX working to complete the project. Regards

    $173 (Avg Bid)
    $173 Oferta promedio
    9 ofertas

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