Articles

Call logs, metadata and recordings shown as three separate kinds of call data, each with its own retention period

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.

Cover illustration for a guide to outbound caller ID and choosing the number your team presents

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.

Cover for a guide to porting business phone numbers between operators without losing calls

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.

Best cloud PBX for Odoo users in 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.

The 10 cheapest cloud PBX providers in 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.

Top 10 cloud PBX providers in Europe (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.

Illustration for a cloud PBX migration guide: a hosted platform and the teams that move to it.

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.

Desk SIP phone shown as a network endpoint registered to a European cloud PBX platform.

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.

Cover image for a guide on measuring and fixing VoIP call quality

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.

A recorded voice message turning into readable text a team can sort and route

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.

Illustration of voice packets dropping between two sites on a business phone network

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.

Cover image for a guide to cloud PBX and cloud telephony for European companies.

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.

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