Business Phone Lines

Save money and enjoy superior support for your existing Business Phone Lines. Our experienced team will ensure a smooth and seamless transition to our billing platform, planned and project managed through our established migration process.

"At a moment of critical need, with government implementing social distancing rules and others unable to deliver, you proved to be the most effective, understanding and pro-active organisations dealing with communication. The account manager listened, understood and helped in achieving what we wanted and in making sure that we would be able to continue to help the many vulnerable people accessing our service..."
Citizens Advice

ISDN Switch Off

ISDN Switch Off means that BT are upgrading all existing analogue lines to digital technology (Voice Over Internet Protocol/ VOIP), where all calls will be made using an internet connection instead, meaning that if you have these, your existing line(s) will be made redundant, so you will need to have your lines upgraded to continue operating with a phone system and some cases, door entry and CCTV systems.

 

SIP Phone Lines

SIP Trunk Lines are the current, like for like alternative to existing analogue lines. They offer much more flexibility, significant savings and built in business continuity. Your numbers are ported into the cloud which means you can point them anywhere you want, you can move offices and close offices down without losing important customers, the numbers are just pointed to the new location.

Benefits of SIP Trunks

Call Recording for Telephone Systems

Increased agility

Need to change offices? You can move your business anywhere in the country and keep the same number, without having to pay for unnecessary call forwarding.

Call reporting

Increased reliability

SIP Trunking offers a built-in resilience feature unlike ISDN, which means in the event of a problem, your business is unlikely to be significantly affected.

ISDN Switch Off 2025

Multi-site flexibility

Benefit from operating from one centralised business phone number for all of your sites across the UK

Business Telephone Systems

Reduces cost

Approximately 50% cheaper than traditional ISDN lines, the migration to SIP provides a substantial saving, leaving your business with money to spend on other things.

Non-Geo Numbers

Call management feature

SIP Trunk Call Manager offers a powerful business continuity solution, giving you the ability to manage your number estate and all aspects of your inbound calls. Consolidate all your numbers into a single platform and never miss a call.

Cavendish are proud partners of

Superfast broadband, ethernet

SIP Call Manager

SIP Trunk Call Manager provides you with all the benefits of Gamma SIP Trunks together with a feature-rich, centralised call control platform.

It offers a powerful business continuity solution, giving you the ability to manage your number estate and all aspects of your inbound calls. Consolidate all your numbers into a single platform and never miss a call.

SIP Call Manager Features

Cavendish Communications telecoms provider

Missed call alerts

Cavendish Communications telecoms provider

Voicemail

Cavendish Communications telecoms provider

Hunt groups

Cavendish Communications telecoms provider

Call whisper alerts

Cavendish Communications telecoms provider

Status diverts

Cavendish Communications telecoms provider

Date routing

SIP Trunk Call Manager
SIP Trunk Call Manager
SIP Trunk Call Manager

Benefits of SIP Call Manager

Office Cabling

Provide efficient customer experience

Hunt groups ensure calls are answered by specific people or the most available person at that time.

WiFi

Demonstrate superior customer service

Queue incoming calls to assist with call handling during peak busy periods & provide great customer service by providing callers with a voicemail option when unavailable to take their call.

Touch Screens

Call control & monitoring

View call handling performance at a glance and monitor inbound call handling efficiencies

Office Cabling

Continuous improvement

Online access to comprehensive call statistics which enable informed business decisions

Need more convincing?

Don't listen to us, listen to businesses like yours!