The ultimate guide to hiring a web developer in 2021
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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:
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!
From 24,420 reviews, clients rate our VoIP Developers 4.84 out of 5 stars.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:
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!
From 24,420 reviews, clients rate our VoIP Developers 4.84 out of 5 stars.I need a fluent English-Spanish communicator who can jump in right away to handle two core responsibilities for my company: • Answer incoming customer calls in Spanish and English, resolve issues on the spot, and keep concise notes in our cloud-based CRM. • Translate short internal documents, emails, and knowledge-base articles between both languages so every customer receives the same clear information. This is a fully remote engagement and I’m looking to get started ASAP. You’ll be the voice of our brand on the phone, so confident, friendly speaking skills are essential. Experience with VoIP soft-phones or call-center tools, plus solid written translation skills (CAT tools a bonus), will help you succeed. If you’re ready to begin immediately and can commi...
I am looking for a fully-hosted, web-based dialer that my 15-seat team in Pakistan can start using right away. The platform must bill on a simple monthly plan—no per-minute surprises—and show a genuine Pakistani caller ID on every outbound call as well as on any SMS we send. Core needs include live monitoring, whisper/barge, and automatic call recording with easy playback so I can keep an ear on quality. An integrated messaging module is equally important because many of our prospects prefer a quick text before or after a call. Auto-dial, power-dial, or manual mode all work for me as long as agents can toggle between them without logging out. What I will not consider is anything based on Eyebeam or Vicidial, so please confirm you are offering a different stack. We plan to pl...
I run an Australian after-hours support service and need a seasoned VoIP engineer to design, configure and fully automate our new cloud telephony environment. What I need the system to do Our operation supports 30+ client organisations, each with its own Australian DID. After business hours every call must be routed automatically to our overseas team, so rock-solid automated call forwarding and routing is the number-one priority. The platform also has to cover call recording, voicemail, SMS escalation through ClickSend, real-time activity reporting and the flexibility to scale as we add new clients. Tech landscape I am open to any robust solution—3CX, Twilio, a SIP-based cloud PBX or a hybrid you recommend—provided it delivers reliability, security and straightforward rem...
Every day my digital agency generates a stream of warm prospects across North America who have shown interest in a new website. Your task is to jump on the phone immediately, have a natural discovery conversation, and convert that interest into either a direct sale. We build whatever the client needs—e-commerce stores, corporate sites, or creative portfolios—so you’ll need to shift your pitch smoothly depending on their goals and pain points. I’ll supply: • A fresh lead list with contact details • Briefing notes on each service tier and pricing • Access to our CRM and a VoIP dialer You’ll supply: • Confident, native-level English on live calls • Quick written notes after each conversation recorded in the CRM • Dail...
Tester needed in Australia — network test on Telstra We need one tester in Australia with an active Telstra SIM for 5 short tests. The main job is to record the full journey — every screen, message and call — from start to finish. If a loan, promotion, bonus or recharge is offered at any point, record it, take it, and keep recording what happens after. WHAT YOU NEED - Be in Australia with an active Telstra prepaid SIM you can run down to zero balance and zero data. - Be able to reach a working number on Optus and Vodafone (a second SIM or a friend's number is fine). - Be able to record call audio and screen-record your phone. - Report clearly in English. THE TESTS Voice — record the call audio 1. Zero balance. Use up all the Telstra airtime so the balance i...
I need a confident caller with flawless, neutral-sounding English to phone companies across the UK and secure live demonstrations for two cloud-based health & safety platforms. Your conversations will focus on people whose job titles include “Health and Safety”, “EHS”, or similar decision-making authority. The sole goal of each call is to book a firm date and time in my calendar for an online demo. To achieve that you will briefly cover the key product features, the practical benefits they deliver, and one or two concise customer success stories—pricing is handled later by my sales team, so there is no need to discuss figures. I will supply: • A vetted call list with direct numbers and company details • A concise product sheet and talk track ...
I want to replace a traditional receptionist with an AI-driven solution that can both answer incoming calls and automatically return any missed calls on my South African business line. Callers must be able to speak naturally or use their phone keypad, and the system should respond on its own without having to hand the call to a human operator. Here is what I need built and handed over: • A cloud or on-prem setup that connects to my existing South African number, answers 24/7 and places callback attempts when we miss a call. • Conversational logic that recognises voice and DTMF input, then speaks back clearly—preferably through a flexible text-to-speech engine so I can update scripts myself. • Secure storage of call recordings, transcripts and basic analytics so ...
I want to deploy a voice agent that can answer and place phone calls just like a live rep, gathering the caller’s details, understanding the intent of the request, and supplying clear answers in real time. The primary goal is customer support, so every part of the flow—from the greeting to the wrap-up—should feel helpful, polite, and human. Core expectations • Natural-sounding speech recognition and TTS • Intent detection for common support questions, with an easy way for me to extend the dialog later • Ability to handle both inbound and outbound calls on the same number • Real-time call logging plus a transcript or audio archive I can download • Webhook or REST hooks so I can tie the conversation data into my CRM when I’m ready Deliverabl...
We're a software company serving automotive dealership service departments in the US and Canada. We need phone callers to confirm one thing per dealership: which Dealer Management System (DMS) they run, plus which service-lane tools they use. This is not sales. No pitching, no booking. One short question set, log the answer, move on. WHAT YOU'LL DO - Work from a Google Sheet batch of 500 to 1,000 dealerships (name, phone, city, brand). - Call the dealership, ask for the service department, and ask which DMS they use. - Log the DMS from our picklist (CDK, Reynolds & Reynolds, Tekion, Dealertrack, PBS, Autosoft, DealerBuilt, Serti, Quorum, other). - Ask one follow-up: which tool they use for service scheduling, texting, or technician videos (Xtime, myKaarma, TruVideo, Dealer-...
I’m planning an Android-only chat product whose sole purpose is secure, high-quality voice calling. Before I start coding, I want an experienced real-time communications engineer to walk me through the best technical approach and help me avoid common pitfalls. In a single consultation session (up to 90 minutes) followed by a short written brief, I’d like you to cover: • The overall call flow: signalling, NAT traversal, TURN/STUN servers, and how everything fits together on Android. • Which SDKs or libraries (e.g., WebRTC, liblinphone, or other proven stacks) make the most sense for voice-only traffic. • A step-by-step blueprint for implementing true end-to-end encryption on the audio stream—key exchange, SRTP, Double Ratchet or similar—and how t...
I’m expanding our payments business and want a proven cold-calling specialist who can work from anywhere. Your daily task is simple and focused: call restaurants, takeaways, and other small-business owners, introduce our free card machine offer, and close the sale. If the prospect already has a terminal, persuade them to switch by stressing the free device and the favourable processing rates we provide. Key points you must emphasise on every call: • Free card machine—no upfront hardware cost. • Seamless switch-over with better rates for those already processing cards. You’ll operate through our Salesforce instance, so being comfortable logging calls, notes, and pipeline stages there is essential. I supply the calling lists, product training, and sales scri...
I need a skilled assistant who can take full ownership of customer interactions in Spanish across phone, live chat, and email. The role combines three key responsibilities: guiding customers through general inquiries, booking and confirming appointments, and providing first-line technical support for our products. Because every exchange happens in real time with our clients across Latin America and Spain, only a native Spanish speaker will be able to match the tone, nuance, and speed required. Day-to-day you will: • Answer incoming calls and chats, greet each customer warmly, and resolve or triage their question within minutes. • Manage our shared inbox, keeping response times under our current SLA. • Schedule appointments directly into our online calendar, doubl...
Busco un setter con experiencia en ventas telefónicas que sepa conversar con empresas y, sobre todo, aportar asistencia al cliente durante la llamada. El trabajo consiste en: • Realizar llamadas salientes a prospectos B2B, siguiendo un guion base flexible. • Escuchar las necesidades del cliente, resolver dudas y orientar sobre nuestros servicios para que la experiencia sea tan valiosa como efectiva. • Registrar cada interacción en nuestro CRM y actualizar la información de contacto, estado y próximos pasos. • Programar seguimientos o citas con el equipo comercial cuando sea necesario. • Entregar un breve informe diario con métricas clave: número de llamadas, conversaciones efectivas y conclusiones relevantes. ...
İşletmem için yalnızca Türkçe konuÅŸan, mesai saatleri içinde çalışacak bir çaÄŸrı merkezi ekibine ihtiyacım var. Ekip hem MüÅŸteri Hizmetleri hem de Teknik Destek taleplerini karşılayacak. Beklentilerim • Aramalar: Giden ve gelen tüm çaÄŸrıları VoIP veya benzer bir sistem üzerinden yönetebilmeniz. • Süre: Hafta içi standart mesai saatlerinde (09:30-18:30) kesintisiz yanıt. • Dil: %100 akıcı ve aksansız Türkçe. • Görevler: – Ürün veya hizmetlerimizle ilgili soruları yanıtlamak, – Basit teknik sorunları çözüme kavuÅŸturmak veya uygun kanala yönlendirmek, – Kullanıcı kayıtlarını CRM’e eksiksiz iÅŸlemek, ...
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.
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