telephone icon nav020 7613 7400

A- A+

IP Telephony

Inflexible, complicated, multi-vendor phone systems are a thing of the past. IP Telephony has become an established technology for delivering voice services over an existing network infrastructure and many businesses are enjoying the benefits of reliable user access to a range of enhanced communication and collaboration tools.

Call 0844 264 3058 or click here to enquire and find out more

How IP Telephony Could Benefit Your Business

  • Reduce equipment and operational costs
  • Improve internal and external communications
  • Deploy feature-rich communication tools to any device or location
  • Centralise systems management and control
  • Free inter-office calls across your network
  • Scalable up to many thousands of users

How we can help

Charterhouse Voice & Data have years of experience of deploying IP telephony for organisations of all types, from SMB to enterprise-scale solutions. We are the partner of choice for many UK businesses.

Our consultants take the time to understand your unique business requirements before designing and implementing a solution that delivers maximum value and return on your investment. Whether you’re migrating to IP for the first time or seeking to develop your existing telephony system, we provide secure, resilient and flexible solutions that integrate seamlessly with your existing infrastructure.

 divider line

working with avaya

at Charterhouse Voice & Data

sip trunking

SIP Trunking

IP Telephony - Products

on premise


VOIP telephony systems for businesses of all sizes

Read more

hosted cloud

Hosted and Cloud

Enterprise-grade telephony-as-a-service

Read more



The ideal mix of on-premise and hosted telephony

Read more

live chat software