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
From the Voxbi blog
Guides, how-tos, and opinion on cloud phone systems, call handling, and running a business that is easy to reach.
Latest articles
AI phone answering: where to start on your business number
A how-to for AI phone answering on your business number: start with after-hours and overflow calls, hand callers to a person, then run a short pilot.
Nov 8, 2026
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
3CX alternatives: 8 phone systems for self-hosters and partners
Eight 3CX alternatives, sorted by how you run 3CX today: on your own server or through a partner. Voxbi One leads, followed by Wildix, FreePBX, NFON, Dstny, Teams Phone, RingCentral and Aircall.
Nov 2, 2026
3CX pricing: licences, hosting and total cost, compared with Voxbi One
What a 3CX phone system costs in 2026, from the annual licence per simultaneous call to the SIP trunk, hosting, migration and support, with worked first-year and renewal totals.
Nov 2, 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
On call phone number: a step-by-step guide for a cloud PBX
How to run one on call phone number that reaches whoever is on duty, with out-of-hours routing, a weekly rota, a backup for unanswered calls and a monthly test.
Oct 31, 2026
Call forwarding on Android: how to set it up and test it
How to forward calls on Android by condition, find the menu on Samsung, Pixel and Xiaomi, transfer a live call, test every rule and control who changes it.
Oct 30, 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
Odoo VoIP pricing: what the phone service adds to your Odoo licence
The Odoo licence buys the ERP and its phone connector. Here's what the SIP provider, numbers, channels, integration and support add, with Voxbi One and Voxbi Managed priced for 10 and 50 users.
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
Odoo VoIP configuration: a step-by-step setup guide
How to configure VoIP in Odoo, from the access right and SIP provider settings to user extensions, international number format, troubleshooting and the GDPR file.
Oct 26, 2026
Branded caller ID: how your business name reaches the screen
Your phone system sends a number and a name. Whether your business name shows depends on number authentication and the receiving operator.
Oct 25, 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
IVR menu: how to design one that cuts waiting time
How to design an IVR menu callers can get through. Start from real call reasons, rank the options, keep a route to a person and plan for silence and wrong keys.
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
Call transcription in your CRM: send the summary, not every word
A short summary goes to the CRM record, and the full transcript stays behind restricted access. This guide covers the architecture, which fields to map, the review queue, the GDPR and how to test on your own calls.
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
International phone number format: the E.164 guide for CRM and PBX data
How E.164 works, how to convert a national number to it, and how to keep the numbers in your CRM and phone system in one consistent form.
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 log retention: how long to keep call data under the GDPR
Call logs, metadata and recordings each need their own retention period. This guide shows how to set them by purpose, who owns each one, and what happens when someone deletes a call in an app.
Sep 27, 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
Outbound caller ID: how to choose the number your team presents
How to set outbound caller ID per user, site or queue, check it across Teams, mobile and softphone, and keep every presented number authorised and authenticated.
Sep 26, 2026
How to port a business phone number without losing calls
Keep every number when you change operator. Build the inventory, match the holder name, let the new operator lead the port and test before the old service ends.
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
Best cloud PBX for Odoo users in 2026
Which cloud PBX providers actually integrate with Odoo, how each one connects, what the integration costs and where call recordings are stored.
Sep 14, 2026
The 10 cheapest cloud PBX providers in 2026
Entry prices compared with numbers, calls and support added back in, because the headline seat price is never the total. Ten providers priced.
Sep 14, 2026
Top 10 cloud PBX providers in Europe (2026)
The ten cloud PBX providers worth shortlisting in Europe in 2026, compared on price, hosting country, support and what the entry plan includes.
Sep 14, 2026
Ringover alternatives: Voxbi and Ringover compared plan by plan
Ringover alternatives compared plan by plan: Voxbi Managed Business Flat against Ringover Business, Voxbi Plus against Ringover Talk, with costs for 10, 25 and 50 users.
Sep 13, 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
Ringover pricing: what a seat costs and what a quote must itemise
Ringover bills a cloud PBX per user, per month: 19 € on Talk and 49 € on Business with an annual commitment, 69 € on Unified, Enterprise on request. Here's what each tier includes, what monthly billing adds, and which cost lines a quote has to show before you can compare it with anything else.
Sep 10, 2026
Voxbi vs Telavox: plans, features and pricing
Telavox publishes €29 for an unlimited fixed seat but no price for its business tier. Voxbi publishes every tier. Compared at 10, 25 and 50 users.
Sep 10, 2026
Voxbi vs RingCentral: plans, calling limits and real euro prices
RingCentral France charges from €10.99 per user and caps calls at 100 to 2,000 minutes. Unlimited European calling is closed to teams under 20 users.
Sep 9, 2026
Voxbi vs Aircall: pricing, calling and SLA compared
Aircall bundles calling into a €30 or €50 licence. Voxbi charges €2.90 plus what you use. Costs compared at 10, 25 and 50 users, checked August 2026.
Sep 8, 2026
Voxbi vs Dialpad: how the two compare in 2026
Dialpad leads on built in AI. Voxbi is a European operator with named Luxembourg hosting and a lower entry price. Where each one fits.
Sep 6, 2026
Voxbi vs Zoom Phone: 2026 pricing and calling compared
Zoom Phone Global Select is €20.24 per user; Voxbi One Plus is €2.90 plus €2.00 a number. Published prices, per-minute rates and costs at 10, 25 and 50 users.
Sep 5, 2026
Voxbi vs 8x8: a European operator against a global CX platform
8x8 publishes no pricing. Voxbi publishes every plan price. An honest feature, hosting and contract comparison, verified August 2026.
Sep 4, 2026
Voxbi vs Sewan: what you can compare, and what you can't
Sewan publishes no prices and sells through integrator partners. Voxbi publishes every rate and contracts directly. An honest, sourced comparison.
Sep 3, 2026
Voxbi vs Dstny: prices, plans and coverage compared
Dstny publishes one business telephony price: from €10 per SIP channel in Belgium. Voxbi publishes every plan price. Plans, costs and contracts compared, August 2026.
Sep 2, 2026
3CX pricing 2026: what it really costs, vs Voxbi
3CX licences start at €285 a year, but that is software only. Full cost with trunk, numbers and minutes, compared against Voxbi. August 2026.
Sep 1, 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
Voxbi vs Wildix: pricing, plans and support compared
Wildix sells only through partners and publishes no prices. Voxbi Managed Business is €17.60 per user, all in. Plans, costs and contracts compared.
Aug 31, 2026
Voxbi vs Axivox: Odoo telephony compared (2026)
Axivox is the provider named in Odoo's own VoIP documentation. Voxbi is a Luxembourg and Belgian operator with a native Odoo integration. Compared in full.
Aug 30, 2026
Cloud PBX migration: how to bring your teams with you
A 90-day cloud PBX migration guide for European companies. Diagnose the ground, train by user profile, deploy in waves with written go/no-go criteria, and measure adoption once the system is live.
Aug 25, 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
Choosing a SIP phone in 2026: the complete guide
A SIP phone puts business telephony on your network. Handsets, cloud PBX architecture, call quality targets, security and EU hosting, in one guide.
Aug 24, 2026
VoIP call quality: what to measure and how to fix it
What VoIP call quality means in telephony terms, the four numbers that measure it, what breaks them, and the tests that show which part of the call path is at fault.
Aug 24, 2026
Voicemail transcription: the complete 2026 guide
Voicemail transcription turns voice messages into readable text. How it works, where accuracy breaks, European hosting rules and a decision checklist.
Aug 23, 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
Cloud IVR: what it is and how to choose one
A cloud IVR answers, greets and routes your calls from a hosted platform. What it is, what it costs, how deep the menu should go, and how to check the hosting before you sign.
Aug 22, 2026
What is packet loss and how to fix it for VoIP calls
Packet loss cuts VoIP calls into fragments long before a speed test notices. Here's how to measure it, find the cause and fix it across a multi-site network.
Aug 22, 2026
Aircall alternatives: 10 cloud phone systems compared
Ten Aircall alternatives compared on hosting location, administration, integrations and price model, with how Aircall's own pricing plans are structured.
Aug 21, 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
Cloud PBX and cloud telephony: the complete 2026 guide
Cloud telephony keeps your switchboard in a provider's datacentres and delivers it as a service. This guide covers how a cloud PBX works, what it changes for a company with several sites, and how to judge hosting, compliance and resilience before you migrate.
Aug 19, 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
Business communication solutions: what they are and how to choose one
What business communication solutions really are, the features worth paying for, and how to pick a European Union hosted, GDPR ready partner.
Jul 23, 2026
Contact center outsourcing: a guide for SMEs and mid-market
A practical guide to contact center outsourcing for European SMEs and mid-market: what to outsource, onshore vs nearshore vs offshore, GDPR, technical integration and KPIs.
Jul 23, 2026
Microsoft Teams Phone vs Cloud PBX for Luxembourg SMEs
Compare Microsoft Teams Phone, a cloud PBX, and the hybrid model for Luxembourg SMEs in 2026: costs, features, devices, and the right fit.
Jun 4, 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
How to choose a cloud phone system for a growing team
A practical checklist for evaluating cloud telephony, from call routing to where your data is hosted.
May 20, 2026
Microsoft Teams Direct Routing vs Operator Connect in 2026
Both connect Microsoft Teams to the phone network. One keeps control and pricing on your side, the other just moves the admin screen. Here is how to choose.
Jan 5, 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
Voxbi 2.0: the new generation of cloud PBX made in Europe
After three years of work and 4,500 customers' feedback, here is the new Voxbi: a cloud PBX rebuilt around how people actually use a phone system.
Oct 27, 2025
How to set up professional voice messages for your business
Closed for the holidays or changing your hours? Here is how to set up a clear, professional voice message that keeps callers informed.
Aug 1, 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
Support for Deutsche Telekom's CompanyFlex SIP trunks
Voxbi's cloud PBX now works with Deutsche Telekom CompanyFlex SIP trunks via Bring Your Own Carrier, so German businesses keep their trunks and gain a modern PBX.
Jan 3, 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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