+1 800.462.8694 U.S. | +1 770.937.9735 Worldwide

UK SIP Numbers

Get a UK SIP phone number and forward calls anywhere with perfect voice quality. Try any United Kingdom SIP number plan risk-free!

Buy UK SIP numbers online

No setup fees, no minimum contracts

Call forwarding to any device worldwide

Global outbound dialing with custom caller ID

Includes IVR, call recording, phone routing and more

Try any UK SIP phone number plan risk-free!

stripes-long

Get United Kingdom Virtual Numbers Risk-Free

A UK SIP number allows you to forward inbound calls to any device in any location worldwide. Also known as UK DID numbers, these phone lines are hosted on AVOXI's reliable VoIP phone network. You can use your toll free or local Israel SIP DID for outbound calling with custom caller ID and amazing voice quality. Make calls with AVOXI's softphone, your own SIP phone account, or your existing analog phone lines. Every British SIP phone number plan from AVOXI includes IVR, global conferencing, call recording, advanced routing rules and 20+ more features at no extra cost. There are no setup fees or minimum contracts, and you can port your existing numbers for free! Buy a UK SIP number today and try 30 days risk-free.

Expect the Best UK SIP Phone Number Service

The United Kingdom's Top SIP Number Provider

  • Toll free and local UK SIP numbers available.
  • Enjoy 15 days of free call recording or instantly activate an extended plan.
  • Use your UK SIP numbers as your custom caller ID when making calls.
  • Earn $25 - $1,000 by transferring UK SIP phone numbers to AVOXI.
  • Host unlimited call conference rooms with up to 500 participants.
  • Get covered by expert 24/7 technical support.
  • Your SIP phone lines include 20+ features no extra cost.
  • Easily manage IVR menus, call forwarding rules, call analytics and much more from your Online User Interface.
  • Buy UK SIP phone numbers with no setup fees or contracts. Try any VoIP number plan for 30 days risk-free.

Virtual Number Forwarding

  • Set up UK virtual number forwarding to any device worldwide.
  • Update your IVR menus and personalized greetings anytime.
  • Customize call forwarding rules like time-based routing, simultaneous ringing, find-me-follow-me and more at no extra cost.

Managing Your Inbound Calls

  • Create unlimited call groups with custom handling rules.
  • View detailed analytics and call logs in your Online User Interface. 
  • Instantly activate new phone numbers from 140+ countries online.
  • Every UK virtual number plan includes advanced forwarding, IVR, voicemail, call screening, call groups, and many more features.

Outbound Calls and SIP Trunking

  • UK VoIP numbers include global outbound dialing
  • Use your UK virtual numbers as your custom caller ID
  • Establish controls on outbound dialing with call barring rules
  • Instantly add SIP trunks with up to 480 channels to any virtual number. 
  • Instantly add, remove, and manage SIP trunks online anytime from your AVOXI Core User Interface
  • Use our web-based VoIP softphone for outbound calls to any global destination

Try the Best UK VoIP Number Service Now

  • With AVOXI, you get 99.99% uptime and reliable VoIP failover routing. 
  • Reduce costs and earn credit for every phone number you port to AVOXI. 
  • Hosted data centers across North America, Africa, and Asia ensure amazing call quality no matter where you are.
  • AVOXI offers the best pricing and largest inventory of toll free and local virtual phone numbers around the world.
  • Try your UK virtual number service for 30 days risk-free. There are no setup fees and you can transfer your phone numbers for free.

UK SIP Phone Lines Include 20+ Features at No Extra Cost

Instantly gain access to AVOXI's call management software when you buy a UK virtual telephone number plan. This cloud-based phone software can function as your stand-alone phone system or easily add-on to your existing service. Customize 20+ business features, set dynamic call routing rules, play call recordings, view detailed analytics and more from your user interface.

Call Analytics

Call Hold

Custom Caller ID

Voicemail-to-Email

Custom Ring Rules

Self-Service

Custom Greetings

Call Whisper

Call Barge

Custom Call Outcomes

Voicemail Transcription

How to Get a UK SIP Number Today

Activating SIP numbers in the United Kingdom is quick, easy, and affordable with AVOXI. Get a UK SIP phone number today with any of these options:

  1. Buy UK SIP numbers online and start customizing your call forwarding rules today. An AVOXI specialist will contact you after your purchase to confirm your account, test your new number, and answer any questions you may have.
  2. Call us directly from any of our business phone numbers to share any questions you have about our service or to have an AVOXI specialist help set up your new VoIP numbers in the UK or anywhere else.
  3. Submit the short contact form to request custom pricing, schedule a free demo, or to search our global database for a custom business phone number.

How Much Do UK SIP Phone Lines Cost?

You can buy UK SIP number plans for as little as $4.49 per month. Inbound call rates range from $0.008 - $0.107 per minute, depending on the plan you choose. For detailed SIP termination rates, please contact us today! There are no setup fees or minimum contracts. Try 30 days risk-free.

Buy UK SIP Numbers Online

Buy UK SIP Numbers Online

Start taking calls within minutes when you buy UK SIP numbers online. After your purchase, an AVOXI specialist will contact you to verify your account and test your new number for you. 

Call AVOXI Directly

Call AVOXI Directly

US/Canada: 1 800 394 1980
Australia: 1 800 834558
United Kingdom: 0800 652 5029
Worldwide: (770) 937-9735

Schedule a Demo with Our Experts

Submit the short contact form to request custom pricing, schedule a free demo, or to have AVOXI specialists search our global database for the custom virtual business number you're looking for.

Reviews from Our Customers

Frequently Asked Questions

How long does it take to get UK SIP numbers?

AVOXI provides UK SIP numbers in 24 - 48 hours or less. In most cases, your number is activated the following business day.

I already have a UK SIP number, but want to save money with AVOXI. What can I do?

To reduce call costs or use our service with an existing number, simply transfer your number to AVOXI. SIP number porting is a quick and easy process.

Can I make outbound calls with my SIP DID?

Yes, AVOXI includes outbound calling and custom caller ID with any SIP did number plan.

How many concurrent calls can I make with a UK SIP trunk solution?

UK SIP trunk plans come with as many as 480 channels per trunk, and there is no limit to how many trunks you can provision. For UK SIP trunk plans and pricing, contact us today!

How else can AVOXI help my business?

In addition to UK SIP numbers, popular services from AVOXI include:

Still Have Questions About UK SIP Phone Numbers?