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!

Müşterilerimiz, VoIP Developers freelancerlarımızı 30,982 değerlendirme içinden 5 üzerinden 4.88 ile derecelendirdi.
VoIP Developers İşe Alın

Filtre

Son aramalarım
Şuna göre filtrele:
Bütçe
ile
ile
ile
Tür
Beceri
Diller
    İş Durumu
    17 iş bulundu, ücretlendirmeleri EUR

    About the job: Rex Technologies, a leading IT Infrastructure services provider, is hiring currently for Desktop Support Engineer for our clients across Globally. Please find below the Job description as well as the company’s details for your reference. ABOUT US: - Rex Technologies, is a leading IT Managed and infrastructure services provider offering holistic vendor agnostic hardware and managed service solutions globally. We work closely with our customers and undertake full accountability of their goals by providing end to end support at every stage of the IT hardware lifecycle i.e., from consulting, procurement, maintenance support all the way to Green Disposal and data destruction – all under one roof. Rextech Global propagates agility and delivers service excellence to o...

    €15 / hr (Avg Bid)
    €15 / hr Ortalama Teklif
    7 teklifler

    I'm in need of a proficient mobile and web app developer for a VoIP service. I would like to have an app for Andriod, IOS, and Web that let's people use their number to call in/out and text in/out with their virtual office phone number. Need it white label. Specific Features: - Ability to make and receive calls using VoIP number details - Call out using VoIP details - Receive and make calls Design Preferences: - Minimalistic Ideal Skills and Experience: - Proficient in developing iOS, Android, and Web applications - Prior experience with VoIP services - Able to deliver a sleek, minimalistic design - Excellent communication skills to ensure the app meets my requirements

    €32 / hr (Avg Bid)
    €32 / hr Ortalama Teklif
    78 teklifler

    About the job: Rex Technologies, a leading IT Infrastructure services provider, is hiring currently for Desktop Support Engineer for our clients across Globally. Please find below the Job description as well as the company’s details for your reference. ABOUT US: - Rex Technologies, is a leading IT Managed and infrastructure services provider offering holistic vendor agnostic hardware and managed service solutions globally. We work closely with our customers and undertake full accountability of their goals by providing end to end support at every stage of the IT hardware lifecycle i.e., from consulting, procurement, maintenance support all the way to Green Disposal and data destruction – all under one roof. Rextech Global propagates agility and delivers service excellence to o...

    €12 / hr (Avg Bid)
    €12 / hr Ortalama Teklif
    17 teklifler

    I'm in need of a professional who can assist me in efficiently managing customer calls. Currently, I have no system in place, which is leading to missed calls and potential customers slipping through the cracks. My primary goal is to handle a higher volume of calls while maintaining a high level of service. Key aspects of this project include: - Setting up a voicemail system: Implementing a voicemail system that captures and organizes customer messages is crucial. Prior experience in voicemail management is desirable. - Call flow optimization: I need a system that can efficiently route calls and ensure they reach the right person. Any experience with call routing systems would be very beneficial. - Prioritizing urgent calls: Sometimes, urgent calls may come through. Being able to se...

    €298 (Avg Bid)
    €298 Ortalama Teklif
    10 teklifler

    I'm looking for an experienced professional who can develop a custom call center with specific features such as the ability to handle both inbound and outbound calls, capture DTMF in live calls, and conduct auto-robot calls. Key Requirements: - Inbound and Outbound Call Handling: The call center needs to be able to efficiently manage both incoming and outgoing calls. This includes routing, call waiting, and call transfer functionalities. - DTMF Capture in Live Calls: A crucial feature I need in the call center is the ability to capture DTMF tones in live calls. This is essential for certain interactive voice response (IVR) systems and automated customer service functions. - Auto-Robot Call Functionality/IVR : The software should be able to execute automated calls without manual inter...

    €511 (Avg Bid)
    €511 Ortalama Teklif
    13 teklifler

    I have an issue with my VoIP Polycom phone. Whenever I pick up the phone, my internet connection drops. I have a cable internet connection, and the phone is connected via a switch. I've tried restarting the phone and all network equipment, but the problem persists. - I will need someone on site - based in north london N13 Key Responsibilities: - Troubleshoot the issue - determine the root cause of the internet drops when the phone is picked up. - Provide a solution to the issue that allows for uninterrupted internet while using the VoIP phone. Ideal Skills and Experience: - Proven experience with VoIP systems and Polycom phones. - Strong knowledge of network setup and troubleshooting. - Familiarity with cable internet connections and potential interference with VoIP. - Ability to t...

    €111 (Avg Bid)
    €111 Ortalama Teklif
    7 teklifler

    Looking for a professional who has hands-on experience with Kannel deployment, specifically for enabling SMS services. The projected messaging traffic for this project is moderate, anticipated between 5,000 - 100,000 messages per day. Key Requirements: - Proven experience in deploying and configuring Kannel - Strong understanding of SMS services - Capable of managing moderate messaging traffic Ideal candidates will not only have technical know-how, but can also advise on the best practices and efficient ways to handle such volume of messages on a daily basis.

    €51 (Avg Bid)
    €51 Ortalama Teklif
    8 teklifler

    Someone who has developed some prerecorded audio call sending system. The idea. is to send hundreds of thousands of calls daily to users, the user receives a voice call that must be listened to as a voicemail with pre-recorded audio. Has anyone created a project like this?

    €456 (Avg Bid)
    €456 Ortalama Teklif
    59 teklifler

    I'm looking for an expert in setting up a Kannel SMS Gateway with a SIM box. The purpose of this project is to send marketing messages on a large scale of between 1,000 and 5,000 daily. The messages will not be text-only, they will include both images and links as well. Ideal Skills: - Extensive experience with Kannel SMS gateway and SIM box configuration - Understanding of marketing message composition with text, image, and link - Knowledge of Bulk SMS sending Key Requirements: - Ability to send between 1,000 and 5,000 SMS daily - Ensure efficient delivery of all text, image, and link content - Optimize the system while maintaining high deliverability rates Your ability to effectively set this up can make a huge difference in our communication strategy. If these parameters accom...

    €34 (Avg Bid)
    €34 Ortalama Teklif
    3 teklifler
    Linphone App Customization 2 gün left
    ONAYLI

    We need to customize linphone's windows/macOS/iOS/android apps with regular PBX features, sms,sip Presence,BLF,etc. Needs to be customize with our company logo/colors. Change colors and logos to match our theme. Sleek and professional design. Login screen to accept username and password or scan QR code Incoming and outgoing calls. Call Transfer (Blind and assisted transfer) Hold Call Transfer Call Attended Transfer Call End Call Conference Call (merge the calls) Video calls Presence and IM features Call history Smart contact list, with address book synchronization for smartphones Audio/video conference calls and scheduled meetings Call transfer and multi-call management (pause and resume) One-to-one and multi-participant conversations Intuitive message delivery ...

    €1248 (Avg Bid)
    €1248 Ortalama Teklif
    68 teklifler

    My SIP Trunking system is constantly preventing me from receiving inbound calls. It's a constant issue that requires urgent attention. Ideal candidates will possess: - Extensive experience with SIP Trunking - Knowledge in diagnosing and resolving call reception problems - Proficiency in troubleshooting technical issues constantly, not sporadically.

    €154 (Avg Bid)
    €154 Ortalama Teklif
    13 teklifler
    Verify Caller ID for VOIP 1 gün left
    ONAYLI

    I am in need of a specialist who can trace VOIP phone numbers and verify the caller ID. Key Tasks: - Trace VOIP phone numbers - Verify caller ID - Provide necessary documents for a restraining order

    €473 (Avg Bid)
    €473 Ortalama Teklif
    23 teklifler

    I'm seeking a skilled network expert to assist with setting up a GRE tunnel on our MikroTik router. The primary goal of this project is to seamlessly connect our multiple remote offices. Key Requirements: - Implementation of a MikroTik GRE tunnel configuration emphasizing on traffic routing - Ensuring optimal connectivity and data transmission between all connected offices Ideal Candidate: - Proficiency in MikroTik router configuration, particularly with GRE tunnels - Solid understanding and experience with network traffic routing - Prior experience with setting up connectivity for remote offices - Ability to ensure uninterrupted data transmission and network availability across multiple locations This is an urgent project, so I'm looking for someone who can start promptly an...

    €17 / hr (Avg Bid)
    €17 / hr Ortalama Teklif
    8 teklifler

    Estamos à procura de um especialista em Issabel e Asterisk para implementar um sistema de Resposta Vocal Interativa (IVR) na nossa plataforma de servidor Issabel 4.0.0-6. O objetivo deste sistema é realizar entrevistas telefónicas automatizadas onde os respondentes possam responder a perguntas pré-gravadas utilizando o teclado do seu telefone. O sistema deve ser capaz de carregar uma base de contactos para realizar automaticamente as chamadas telefónicas e capturar estas respostas numa base de dados para análise subsequente. Além disso, o sistema IVR deve incluir a funcionalidade de conversão de texto em voz (TTS) para facilitar a criação e atualização de prompts de voz. No entanto, também deve ser...

    €917 (Avg Bid)
    €917 Ortalama Teklif
    5 teklifler

    I am looking for a competent professional with experience in Freepbx and Avaya IP integration. The primary objectives of the project are call routing, call forwarding, and establishing a unified voicemail. What I am looking for: - Experience with Freepbx and Avaya IP office 500 V2 systems - Proven track record with telecommunication technology - Capability to integrate functionalities even with gaps in specific call routing or forwarding options Please note that while some specifics on the call routing and forwarding options are not outlined, I expect freelancers to provide suggestions based on their experience and expertise. I look forward to working with an individual who can make these systems work smoothly together.

    €101 (Avg Bid)
    €101 Ortalama Teklif
    10 teklifler

    As a client looking to set up a home VoIP solution, I'm seeking guidance from a skilled freelancer experienced with both Raspberry Pi and Asterisk server setup. Key Project Details: - I do not require a full-fledged PBX setup, just a basic VoIP service facilitated through my Raspberry Pi. - The primary feature I'm interested in implementing is voice calling. Required Skills: - Proficiency in configuring an Asterisk server on Raspberry Pi. - Strong understanding of VoIP and related protocols. - Ability to guide and explain the setup process clearly. Your Role: I've tried to set it up but no voice can be heard on the other end. So this task is mainly a trouble shooting job. Your primary role will be to walk me through the setup of Asterisk on my Raspberry Pi, ensuring prop...

    €81 (Avg Bid)
    €81 Ortalama Teklif
    15 teklifler

    I'm seeking a skilled professional for the setup of a WebDialer recording system to handle both inbound and outbound calls. The primary purpose of this system is for quality assurance, training, and compliance monitoring purposes. Experience in integrating with Customer Relationship Management systems (CRMs) is a must. Preferred Qualifications: - Familiarity with call recording systems - Proven ability in the setup of WebDialer systems - Ability to integrate systems with a CRM - Strong knowledge of compliance monitoring - Proven record in quality assurance Remember, the successful implementation of this project will ultimately help improve our services, aid in employee training, and ensure compliance with relevant regulations. Your expertise will go a long way towards achieving th...

    €108 (Avg Bid)
    €108 Ortalama Teklif
    9 teklifler

    Sizin için Tavsiye Edilen Makaleler

    If you want to stay competitive in 2021, you need a high quality website. Learn how to hire the best possible web developer for your business fast.
    11 MIN READ
    Learn how to find and work with a top-rated Google Chrome Developer for your project today!
    15 MIN READ
    Learn how to find and work with a skilled Geolocation Developer for your project. Tips and tricks to ensure successful collaboration.
    15 MIN READ