Cold calling: definition, script and how to run it in B2B
What cold calling means in B2B, how it differs from warm calling, which calling rules apply, and how to script and measure a call that books a meeting.
Nov 13, 2026
Explainers articles
Articles
Music on hold: a guide for your business phone system
How to choose music on hold, license it for each country, prepare a seamless loop and give every call queue its own audio file.
Nov 7, 2026
AI voice agent: from demo to real phone calls
What an AI voice agent does on a business phone system, which calls to give it first, how to test handover and languages, and what to ask about data.
Nov 6, 2026
Cloud telephony architecture: how a call travels from carrier to desk
The transport, security and voice components behind a hosted PBX, who runs each one, and what to test before you switch off the old service.
Oct 31, 2026
Healthcare phone system: a complete guide for clinics and hospitals
How to choose, secure and migrate a healthcare phone system: queues, on-call routing, GDPR health-data rules, resilience and the contract terms that matter.
Oct 27, 2026
Law firm phone system: the complete guide
How a law firm phone system routes every call, keeps professional secrecy intact under the GDPR, and what to check before you migrate or pick a provider.
Oct 26, 2026
Call handling process: how to route, queue and measure every call
A call handling process decides who answers, how long callers wait and where a call goes next. Here's how to build the routing, IVR, queues, scripts and KPIs.
Oct 25, 2026
Call queuing: what it is and how to set it up in a cloud PBX
Call queuing holds callers in an ordered line inside your cloud PBX. How it works, which options to switch on, which metrics to watch and how to configure a queue.
Oct 24, 2026
Hotel phone system: the complete 2026 guide
How a hotel phone system routes reservation, room and maintenance calls, connects to your PMS, and helps you stay secure and meet the GDPR across one site or many.
Oct 24, 2026
Inbound vs outbound calls: the difference and how to manage both
An inbound call reaches your organisation and an outbound call leaves it. Here's how to route, measure and govern each one, and keep your numbers when you migrate.
Oct 24, 2026
Voicemail system: how it works in a cloud PBX
How a cloud voicemail system takes a message from the dialled number to the person who calls back, and the routing, security and GDPR settings behind it.
Oct 24, 2026
Call recording and GDPR: lawful basis, notice and retention
What the GDPR asks of a business that records calls. It covers the lawful basis, notice before recording starts, fixed retention, tight access and the national rules to check.
Sep 26, 2026
Click to call: what it is and how it works for business
Click to call turns a tap on a phone number into a routed call. See how it works from the click to the SIP INVITE, where it helps and what GDPR asks.
Sep 26, 2026
What is a softphone? Definition and how it works
A softphone is an app that turns a computer, smartphone or tablet into a business phone. Here's how it carries a call, how it compares with a desk phone and an on-premise PBX, and what to check before you roll one out.
Sep 26, 2026
Wireless VoIP phone: DECT or Wi-Fi for your business
A wireless VoIP phone is a cordless handset that registers on your SIP phone system. Compare DECT and Wi-Fi, codecs, security and the rollout steps.
Sep 26, 2026
IP PBX: how it works and when to keep it on site
An IP PBX runs your phone system over the IP network. How it works, what your network has to provide, and how on-premise and cloud PBX split the cost and the responsibility.
Sep 12, 2026
Virtual landline number: how to get one and port the one you have
A virtual landline number is a geographic number your carrier hosts for you, with no copper pair behind it. How to order one, port an existing number, and run the cutover without losing a call.
Sep 12, 2026
PBX high availability: what it covers and how to verify it
What a supplier means by high availability, what the SLA and recovery metrics actually commit to, and the architecture and connectivity questions to settle before you sign.
Sep 11, 2026
What is VoLTE and what it means for a business mobile fleet
VoLTE carries mobile calls as IP packets over the 4G network. Here's how the call path works, how it compares with VoWiFi and CSFB, and what to check before 2G and 3G go off air.
Sep 1, 2026
What is a SIP trunk? A complete guide for European businesses
A SIP trunk connects your phone system to the public network over IP. How SIP trunking works, what it costs, and how to migrate without losing service.
Aug 25, 2026
What is PSTN? The public switched telephone network explained
How the public switched telephone network works, which equipment still depends on it, and how it compares with VoIP, SIP and WebRTC.
Aug 23, 2026
Computer telephony integration: a complete guide for business
Computer telephony integration ties your phone system to your CRM so an inbound call opens the right record. What it is, what to check, how GDPR applies.
Aug 21, 2026
DDI number: what it is and how call routing works
A DDI number maps one public number to one internal destination. How DDI routing works, how it sits next to the main company number, and how to configure direct numbers in a cloud PBX.
Aug 17, 2026
Suspected spam call: what it means and what to do
What triggers the label, how to check the caller, and how a business keeps its own numbers from being flagged.
Aug 17, 2026
What is DTMF and why cloud phone menus depend on it
DTMF sends two tones per key so a phone system can read the choice. How the tones work, how they travel over VoIP, and what breaks them in a cloud PBX.
Aug 17, 2026
What is VoIP? A complete guide for 2026
VoIP carries your business calls over an IP network. How it works, what a cloud PBX changes, and why hosting location decides more than the price.
Aug 17, 2026
What is a cloud PBX, and how is it different from a desk phone setup?
A plain-language explainer on cloud phone systems for anyone weighing up a move off traditional lines.
May 28, 2026
EU mobile SIM with your company's fixed number
Bring your fixed business number to your mobile, with no app and no smartphone required. One professional number for every call, anywhere in Europe.
Nov 6, 2025
Broadcast announcements on your PBX
Send a manual or prerecorded announcement to every phone at once, or just one group. For celebrations, everyday notices, and emergencies when seconds count.
May 7, 2025
Is the fax dead?
Fax was built for analog lines, and Europe has moved to all-IP. Here is why fax over VoIP is unreliable, and what to use instead.
Apr 18, 2021
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