Simplify your fixed voice and data services, and gain greater control and cost savings at the same time.
Vodafone SIP is a VoIP solution which turns physical phone lines into virtual lines using an internet connection.
With the traditional phone network being switched off in 2025, and BT no longer offering ISDN, Vodafone SIP trunking ensures your business is fully prepared so you can keep on calling.
Why choose Vodafone SIP?
Our service is designed to deliver a seamless experience - it’s easy to migrate to, manage and scale. It gives you the foundation to support new ways of working and collaboration as part of a Unified Communications initiative.
See immediate cost benefits with our clear, flexible and predictable pricing for reassuringly good value and uncompromising call quality.
On top of that, you get free calls to UK landlines and mobiles via your phone system and you can choose to keep your existing phone numbers or get a new range.
We show our commitment to keeping you running no matter what, with end-to-end failover and the ability to rapidly and easily divert calls in an emergency to ensure business continuity and disaster recovery.
Take a look at our options:
Vodafone Evolved Voice
Vodafone Hybrid Voice
Vodafone Evolved Voice over Public Internet
Vodafone Evolved Voice over Public Internet is a highly reliable, resilient, future-proofed, enterprise-grade replacement for traditional voice services.
It's a ‘bring your own access’ service that gives you more choice, scalability and the utmost flexibility.
End-to-end failover to keep your calls up and running (via Customer Endpoint Diversity)
Quickly and simply provision new virtual lines to scale up fast in response to new business demands
High level encryption options to protect your voice traffic
Proactive fraud monitoring alerts you to suspicious traffic
The smart way to turn on calling in Microsoft Teams (if you have an enterprise Session Border Controller)
Vodafone Evolved Voice is an excellent solution if you:
Are ready to realise the full benefits of VoIP
Have no legacy system or are a cloud-native business