Cloud Business Phone System

Carrier-grade cloud PBX — voice, video, chat, and fax on every device, without the hardware closet or the surprise fees.

Overview

Your phone system, everywhere you work

A phone system should follow your team — desk, laptop, or phone — not chain them to a desk. Our cloud business phone service delivers unlimited VoIP calling, conferencing, and messaging with built-in security and reliability on an encrypted network.

We handle consultation, numbers, setup, and integration, then support it 24/7 — one predictable monthly fee, no on-site PBX to maintain.

Key features

  • Mobile & desktop apps — one number rings every device your team uses
  • Virtual phone numbers — local, international, and toll-free numbers on demand
  • Call management — routing, forwarding, voicemail, recording, and queuing
  • Video conferencing & team chat — meetings and messaging in the same system
  • Auto-attendant — professional call flows that answer and route instantly
  • Business system integration — CRM and helpdesk connected to every call

Request a demo →

Why Cloud

On-premises PBX vs. Callmasters cloud telephony

On-premises PBXCallmasters Cloud Telephony
Large up-front hardware costNo on-site hardware to buy or maintain
Contracts with early-termination feesNo long-term contracts required
Paid upgrades and maintenance visitsFree upgrades, delivered from the cloud
Support billed by the incident24/7 support included
Changes require a technicianSelf-manageable from any smart device
Capacity fixed to installed hardwareScales up or down with your team

How It Works

Switched on without missing a call

01

Consult

We size the system — users, numbers, devices, and integrations.

02

Provision

Numbers ported, apps deployed, call flows configured.

03

Cut over

Zero-downtime transition from your existing system.

04

Support

24/7 support and self-service management from day one.

Get Started

Pricing & availability

Callmasters

Cloud Business Phone System

Carrier-grade cloud PBX with voice, video, chat, and fax.

  • Mobile & desktop apps
  • Video conferencing & team chat
  • Auto-attendant & call routing
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Ready to transform your communications infrastructure?

Schedule a free consultation with our engineers — no obligation, just answers.