Telephone Numbers

Choose any number, We got you covered in different Areas. VoIP Business with Fullduplex has been porting numbers and providing telephone services since 2006

International Number.

Do your international customers pay too much when they call you?
Book international numbers for £12.95* per month and a one-time setup
fee of £12.95*.

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Book Phone Numbers

Use phone numbers from any area code also available in blocks of 3 and 10

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Keep Your Number

Easily port your landline phone number to VOIP Business

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From Around the World

Book local phone numbers from around the world

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Dominican Republic







Uk Telephone number with Voip Business.

VoIPBusiness have access to over 9 million UK Geographic numbers ready to be assigned within seconds.

Numbers in every town

Numbers in almost every UK town and city

Block Phone Numbers

Block Phone Numbers available on request from 10 to 1000

Fax enabled numbers

Receive and send FAX on demand using email

SMS Enabled Numbers

Send and receive text message on your UK landline number

Execting Telephone number to Voip Business with Ease

VoIP Business with Fullduplex has been porting numbers and providing telephone services since 2006. Our switching process is seamless as it takes seconds to switch over to us. So no downtime for you.


Porting Number

Let us know the number you wish to port over.

Service Provider

We will send your porting request to your current service provider.

Porting Date

Your current service provider lets us know the porting date.

Porting is Complete

et voila !! Success, your number porting is complete.

Frequently asked questions

Pretty much quickly, most happen within 7 days whilst others take about 10 days, it depends on your provider. We have migrated some clients in less than 72 hours, so you’re in safe hands.

Of course you can, we handle any number, whether is a non-geographic number, local number or international number. Just let us know how many numbers you wish to migrate and we’ll arrange for that.

If some providers are stuck in the dark ages, then they might do, but most don’t. We don’t charge to port your number to us either, so you enjoy a stress-free number porting.

You can definitely buy a single number or a block of numbers. For example, if you need a block of 10 successive numbers for your business, we’ll book it for you to order. You can purchase up to 1000 numbers at one go.

You name any area in the UK, we’ve got numbers for them. Just choose your numbers and if you have multiple offices around the country, feel free to pick out the numbers the most relevant to you.

Sure, we have SMS and Fax enabled numbers, when you get in touch with us, let one of our advisors know and we;ll sort it out for you.

Phone Numbers of Your Choice

Local Telephone Numbers

With this, get all the features of a UK local phone number – choose from London, Manchester, Bristol, Glasgow, Bournemouth.

Virtual Phone Number

irtual phone numbers allow you to have a virtual presence anywhere in the country – all forwarding to your existing lines.

0800 Numbers

The Freephone 0800 numbers give your business that customer friendly free-to-call image, and the ability to improve the volume of calls.

London Phone Numbers

A number for Greater London or maybe just London. Get 0207, 0208 and 0203 numbers for your business giving you those London vibes.

0844 Numbers

If you run a business that is not geographically dependent, then choose a national number with a 844 number.

0845 Telephone Numbers

Why not go national with 0845 numbers. Moreover there are lot of choice for numbers and the all important 0345 version if you require.

International Numbers

In a post-brexit world why not go global, go Irish, French, USA or China – in fact numbers in most business locations are available right now.

03 Telephone Numbers

hey are non-geographical and the customer friendly national number is now used by many, so why not by your business!

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