VoIP for business: how it works and how to get started
VoIP means carrying your voice over the internet instead of the old telephone network. In this guide you will find how a VoIP call really works, what…
Read the guideGuides and background reading
Everything we have written about VoIP: the practical guides to setting it up and keeping it secure, the background on each service, and the pages for people who work in a particular way.
Getting started
What VoIP is, how virtual numbers and cloud PBXs work, and how to avoid fraud.
VoIP or a traditional phone line: what really changes
A traditional line carries your voice over a dedicated copper pair; VoIP carries it over the same internet connection you use for everything else. In…
Read the guideVoIP security: how to prevent toll fraud
**Toll fraud** is rarely a sophisticated attack: someone finds an account with a weak password, registers a device on it and calls expensive destinations…
Read the guideVirtual number: what it is, how it works and what it costs
A virtual number is **a real phone number**, with the area code of the city or country you choose, that is not tied to a physical line: calls arrive over…
Read the guideCloud PBX: what it is and how to choose one
A cloud PBX does what the box in the cupboard used to do, namely voice menus, queues, opening hours and transfers, but it lives on the internet: no…
Read the guideVoIP configuration
Softphones, codecs, NAT and audio quality: the settings that decide whether a call sounds right.
VoIP codecs: what they are and which to choose
A codec is the way your voice is turned into data to travel over the internet: it decides how much bandwidth a call uses and how good it sounds. Here…
Read the guideNAT, firewalls and ports for VoIP
Almost every problem with a VoIP phone that registers but does not ring, or that lets voice through in one direction only, starts between the router…
Read the guideSet up a softphone with a SIP account
A softphone is a phone made only of software: you install it on your computer or mobile and use it with a headset and microphone. Here you will find…
Read the guidePBXs and trunks
Connect the phone system you already have: complete configurations, field by field.
Set up a SIP trunk on Asterisk with PJSIP
This guide walks you through the full setup of a Vohippo trunk on Asterisk with the PJSIP driver (Asterisk 16 and later): every section of pjsip.conf…
Read the guideSet up a SIP trunk on FreePBX
On FreePBX you do not write files: you fill in a few screens of the web interface. Here you will find what to put in each field of the PJSIP trunk,…
Read the guideSet up a SIP trunk on 3CX
How to connect a Vohippo SIP trunk to a 3CX PBX, from creating the account in the portal to the first call. Panel labels change between 3CX versions,…
Read the guidePhones
Register a desk phone on a SIP account, brand by brand.
Configure a VoIP phone with a SIP account
Any VoIP phone that speaks SIP registers with **the same few details**. Here you will find what they are, where to get them in the portal, how the phone…
Read the guideHow to set up a Yealink phone with a SIP account
How to register a Yealink phone on a Vohippo SIP account **from the phone's web interface**, field by field. You will find what to prepare, a numbered…
Read the guideHow to set up a Snom phone with a SIP account
How to register a Snom phone on a Vohippo SIP account **from the phone's web interface**. You will find what to prepare, a numbered procedure with the…
Read the guideHow to set up a Grandstream phone with a SIP account
How to register a Grandstream phone on a Vohippo SIP account **from the phone's web interface**. You will find what to prepare, a numbered procedure on…
Read the guideHow to set up a Cisco phone with a SIP account
How to register a Cisco phone on a Vohippo SIP account **from the phone's web interface**. First you check that the firmware is the right one, then you…
Read the guideHow to set up a Fanvil phone with a SIP account
How to register a Fanvil phone on a Vohippo SIP account **from the phone's web interface**. You will find what to prepare, a numbered procedure on the…
Read the guideNumbers, routing and caller ID
Set up an inbound number, every routing module and the number you show when you call.
Set up an inbound phone number, step by step
An inbound number works well when you know exactly what happens to every call, from the first ring to the last second. In this guide you choose and…
Read the guideVirtual numbers abroad: a number in another country, with no office there
With a virtual number abroad, customers in another country call a number in their own country, and you answer from wherever you work. In this guide…
Read the guideThe call routing modules for inbound calls
Every Vohippo number follows a flow made of steps, and each step is one of the nine modules available. Here you will find what each module does,…
Read the guideSimultaneous or sequential ringing: how to ring your SIP accounts
When a call comes in, who should hear it first? The «Ring SIP accounts» module lets you choose between ringing everyone together or one after the…
Read the guideVoIP voicemail: how to set it up and what to say
Voicemail is the last thing callers hear when nobody can answer, and it often decides whether they call back or go to a competitor. Here you will see…
Read the guideAI phone secretary: how it works and how to set it up
The AI secretary is a step in the call flow where an artificial voice answers for you, asks callers who they are and what they want, and sends you a…
Read the guideCaller ID: what it is and how to set it on VoIP calls
Caller ID is the number the person you call sees. In this guide you will find how Vohippo decides which number to present, how to set it on a phone…
Read the guideAI virtual PBXs
AI voice agents, IVR menus, queues and business hours: how a modern virtual PBX works.
AI virtual PBX: what it is and how it works
A virtual PBX with artificial intelligence answers, understands what the caller wants and takes them to the right person, with no hardware in the…
Read the guideHow to write instructions for a phone AI voice agent
An AI voice agent does exactly what its instructions say, and guesses everything else. Here you will find how to structure them, three complete…
Read the guideAI PBX for small businesses and freelancers
If you work alone or in a small team, the problem is not sorting a hundred calls: it is not missing the few that matter while you are with a client.…
Read the guideHow to connect an AI virtual PBX to VoIP lines
The PBX decides where a call goes, but to receive it and place it, it needs an operator to supply numbers and lines. In this guide you will see how…
Read the guideAI PBX: practical examples by sector
The same AI voice agent does very different jobs in a dental practice, a restaurant or a garage. In this guide you will find, sector by sector, what…
Read the guideRegulations
Call recording, privacy and the rules to know before calling customers.
Recording calls: the rules and how to do it properly
Recording phone calls is useful for service quality, for disputes and for training, but it is processing of personal data with precise rules. Here…
Read the guideVoIP by sector
How firms, workshops and call centres use it: concrete examples and setups.
VoIP for law firms: practical examples and costs
A law firm has a specific problem with the phone: the people clients want to reach are often in court. In this guide you will see how to organise the…
Read the guideVoIP for accountants and payroll consultants
In accountancy firms the phone does not ring at a steady pace: it is quiet for weeks and then explodes before a deadline. This guide shows how to…
Read the guideVoIP for garages and car repair shops: calls with your hands full
In a garage the phone always rings at the wrong moment: under a car, with dirty hands, with the compressor running. This guide shows how to ring the…
Read the guideBackground
SIP trunking
A SIP trunk is your company's phone line running over the internet instead of a copper pair. It plugs into the PBX you already have, or straight into…
Read the guideVirtual numbers
A virtual number is a real phone number, with the area or country code you want, that is not tied to a physical line: calls arrive over the internet…
Read the guideWhatsApp calls
Your business WhatsApp number becomes a line like any other: when a customer taps Call in the chat, your phone system rings. No app to install, for…
Read the guideDeveloper API
An HTTP interface to read calls, numbers, accounts and balance from the software you use every day. Scoped keys, documentation with ready examples,…
Read the guideFAQ
The questions we get most often, answered in full. If yours is not here, write to us: we answer…
Read the guideWho uses it
The same service told from the point of view of the people who use it every day.
Call centres and outbound sales
Outbound sales and customer care have two problems: having enough concurrent lines, and keeping the per-minute cost under control. Vohippo is built…
Read the guideDebt collection
Collection work means a lot of calls, and being able to prove them: who called, when, for how long and with what outcome. Vohippo gives you the lines…
Read the guideE-commerce and customer service
If you sell online, the phone is where customers end up when something goes wrong. Vohippo gives you a number in the countries you sell in and makes…
Read the guideProfessional firms
Accountants, law firms, medical and technical practices all share one problem: a single number, several people, and no appetite for running a PBX.…
Read the guideMultiple sites and remote teams
When people sit in different places, the traditional PBX becomes the problem: cabling, VPNs, maintenance. With VoIP the extension follows the person,…
Read the guideTry the AI demo in real time
The AI Secretary you set up in Vohippo answers you exactly as it would for your company: it sends you an exact summary of the conversation and only puts the call through when needed. You set the rules, from the app too.
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