Our work

The next step in customer contact digitization

Blog

Telephony, email, WhatsApp and more, simply from one tool

Blog

The Omnichannel customer service platform guide

Free download

What to keep an eye on when choosing an omnichannel platform?

Blog

7 benefits of an omnichannel customer service platform

Blog

Improve the international accessibility of your customer service

Blog

What are SIP trunks and why do you need them?

Blog

How do you ensure optimal customer service accessibility?

Blog

Customer Story – vanHaren

Blog, Customer stories

How to keep the conversation going in all channels

Blog

How can your business benefit from Bring Your Own Carrier (BYOC)?

Blog

Checklist international customer service accessibility

Free download

Guide to international customer service telephone numbers

Free download

3CX product paper

Free download

Customer service trends and developments at Marketplaces

Free download

How to shorten customer service wait times with text messaging

Blog

Make sure you’re ready for seasonal call spikes

Blog

The team expands

Blog

Talk product paper

Free download

Cruise Control product paper

Free download

SIP Trunks product paper

Free download

Xcally Motion product paper

Free download

Live Video Chat

Free download

Keep the human touch in your customer care

Blog

Customer service projects back on track

Blog

Customer Story – PTI

Customer stories

Sound of Data expands sales team with Menno Leenart

Blog

The future of customer service telephony

Blog

Save time and money with chatbots, future or reality?

Blog

Serge van Driel joins Sound of Data

Blog

8 benefits of video chat for customer service

Blog

Sound of Data welcomes Yeet! as a new customer

Blog, Customer stories

Compliance as a service

Blog

From question to interaction with omnichannel customer service

Blog

How important are service numbers for cross-border success?

Blog

INGO and Xenialab announce new partnership with Netherlands-based Sound of Data

Blog

Sound of Data gives brands a voice and customers a listening ear

Blog

5 reasons why telephony is an important customer contact channel

Blog

The story of Kaspersky – How customer service contributes to online conversion

Events

Does extreme weather mean contact center meltdown?

Blog

How to save costs without changing your telephone accessibility

Blog

Dutch Postcode Lottery

Customer stories

Sound of Data spreekt op de Dutch E-commerce Week

Events

Talk – Summer product update

Blog

The future of customer service voice calls

Blog, Customer stories

Webinar: How to handle Black Friday call spikes like a boss

Events

Sunweb Group

Customer stories

5 fears that hold back customer service improvement

Blog

Sound of Data focuses on growth with new CEO Jos van Loo

Blog

Webinar: More calls with less agents

Events

Webinar: The 7 benefits of one Call Routing Portal

Events

Webinar Click-to-Call with Talk

Events

Missed our webinar with CX Network?

Events

Webinar February 18 – Click-to-call

Events

Sharing knowledge at AWS QuickSight event

Events

Ticketmaster

Customer stories

Sound of Data speaking at Customer Service Week

Events

Your call is important to us

Blog

The easiest way to decrease customer service calls

Blog

How to keep your support numbers platform independent

Blog

Use the right tools to exceed customer expectations

Blog

How to choose the right type of service number

Blog

Five advantages of follow the sun-routing

Blog

Improving the performance of external call centers

Blog

Is 24-7 customer support necessary for your company?

Blog

Why use premium numbers for customer support

Blog

All you need to know about UIFN numbers

Blog

Is toll-free the ideal customer service number?

Blog

Pros and cons of non-geographic service numbers

Blog

Why choose a geographic number for customer service?

Blog

Is localization critical for cross-border online success?

Blog

6 advantages of a boutique like service provider

Blog

Just a phone number, big impact!

Blog

How we protect our customers’ data

Blog

Time to move up?

Blog

Get in the driver’s seat to manage your inbound traffic

Blog

Can I talk to somebody, please?

Blog

Entering a new country? Get your service numbers early!

Blog

The unique value of telephone customer care

Blog

Teaming up with Orange

Blog

Improving international accessibility for Mosa

Customer stories

Acquisition of Audiotex

Blog