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Voice connectivity

Simplify your business calling and prepare for the future, with our VoIP (Voice over Internet Protocol) lines and services.

Contact us

VoIP phone systems for medium businesses

Efficient

The simple, reliable and efficient alternative for your phone calling systems.

Flexible

Easy to migrate, manage and scale as you make the jump from legacy systems.

Cost saving

Clear and predictable pricing models with great call quality.

Future proof

Transform your physical lines to virtual lines with VoIP.

SIP trunking

Move to internet-based calling for greater control and cost savings. We’ll help you make a seamless transition before physical phone lines are switched off in 2027.

View SIP trunking

Inbound Voice

Manage, monitor and optimise your incoming business calls with our simple, reliable platform. Ensures priority callers can get through to the right channel directly without delay.

View Inbound Voice

Insights and resources

Learn more about how our voice connectivity services can help your business stay ahead.

A reliable, secure phone service for NHS 111

Our award-winning network is helping NHS 111 connect patients to local healthcare services.

Read more

Get ready for the PSTN switch-off in 2027

The PSTN circuits will be completely replaced by VoIP by Jan 2027. We can help you make the switch to VoIP seamlessly.

Read more

Get in touch with us (for businesses with 10-249 employees)

Opening hours: 8am - 6pm. Out of hours support* is available from 6pm - 8am.

Call us

Call us by selecting the best number that matches your business need

Call me back

Busy right now? We’ll call you

Request a callback

Online help centre

FAQs, guidance and info

Get online support

Out of hours support is available between 6pm-8am from Monday to Friday. This includes weekends and Bank Holidays.  

The out of hours services you can receive depends on whether you’re a Foundation customer or a Tiered customer. Our out of hours service matrix outlines what support you can receive during out of hours periods.

Foundation

Tiered

DPA Process for End Users

Bar CTN (Lost or Stolen)

Request PUK Codes

Device Support

Voicemail Reset

Make PAC Requests

Raise a Coverage Issue

VCO Log-In Support

SIM Activations /SIM Swaps

Request a Non Chargeable Recovery Call Back**

Request a Chargeable Recovery Call Back**

Lift International + Roaming

Cancellation Procedure

Request NUC Codes

Change Diverts

Lift Content Control

Sure Signal Support

Chargeable Requests

Unbar CTN

User Secretaries Allowed***



**Following completion of diagnostics, if it’s determined the device is faulty, a form will be completed and submitted. The advisor will confirm the Annovo team will contact the customer during core hours.

***Applies to main contacts only who can complete requests on behalf of an end user.

Voice connectivity for large businesses

Simplify your business calling and prepare for the future, with our VoIP (Voice over Internet Protocol) lines and services.

Contact us

VoIP: the future of phone systems is here

Efficient

The simple, reliable and efficient alternative for your phone systems.

Flexible

Easy to migrate, manage and scale as you make the jump from legacy systems.

Cost saving

Clear and predictable pricing models with great call quality.

Future proof

Transform your physical lines to virtual lines with VoIP.

SIP trunking

Move to internet-based calling for greater control and cost savings. We’ll help you make a seamless transition before physical phone lines are switched off in 2027.

View SIP trunking

Inbound Voice

Manage, monitor and optimise your incoming business calls with our simple, reliable platform. Ensures priority callers can get through to the right channel directly without delay.

View Inbound Voice

Insights and resources

Learn more about how our voice connectivity services can help your business stay ahead.

A reliable, secure phone service for NHS 111

Our award-winning network is helping NHS 111 connect patients to local healthcare services.

Read more

Get ready for the PSTN switch-off in 2027

The PSTN circuits will be completely replaced by VoIP by Jan 2027. We can help you make the switch to VoIP seamlessly.

Read more

Get in touch with us (for businesses with 250+ employees)

Opening hours: 8am - 6pm. Out of hours support* is available from 6pm - 8am.

Call us

Existing customers call 191

0808 099 8877

Call me back

Busy right now? We’ll call you

Request a callback

Online help centre

FAQs, guidance and info

Get online support

Out of hours support is available between 6pm-8am from Monday to Friday. This includes weekends and Bank Holidays.  

The out of hours services you can receive depends on whether you’re a Foundation customer or a Tiered customer. Our out of hours service matrix outlines what support you can receive during out of hours periods.

Foundation

Tiered

DPA Process for End Users

Bar CTN (Lost or Stolen)

Request PUK Codes

Device Support

Voicemail Reset

Make PAC Requests

Raise a Coverage Issue

VCO Log-In Support

SIM Activations /SIM Swaps

Request a Non Chargeable Recovery Call Back**

Request a Chargeable Recovery Call Back**

Lift International + Roaming

Cancellation Procedure

Request NUC Codes

Change Diverts

Lift Content Control

Sure Signal Support

Chargeable Requests

Unbar CTN

User Secretaries Allowed***



**Following completion of diagnostics, if it’s determined the device is faulty, a form will be completed and submitted. The advisor will confirm the Annovo team will contact the customer during core hours.

***Applies to main contacts only who can complete requests on behalf of an end user.


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    Registered in England and Wales. Company No 01471587. Registered Office: Vodafone House, The Connection, Newbury, Berkshire, RG14 2FN.

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