Our work
Exploring ideas, customer stories and sharing our knowledge.
Customer story: NTS
Customer stories
Customer story: Mr. Marine
Customer stories
Promotions, campaigns & conversion
Blog
From counters to bots, or the other way around?
Blog
The Balance Between Hi-Tech and Hi-Touch
Blog
Fewer square meters, more connection
Blog
PBX, IP PBX, and Virtual PBX: What is what?
Blog
What’s the difference between SIP, VoIP and cloud telephony?
Blog
Recording phone calls? What you can and cannot do
Blog
What AI really means for customer service
Blog
Wesley Explains: Reporting in 3CX V20 Update 6
Blog
Customer story XXImo
Customer stories
Discovering, learning and enjoying together: Sound of Data’s customer event
Blog
Working at Sound of Data: between goat trails and highways
Blog
The data is already in your customer conversations, but are you really listening?
Blog
Customer story Talpa Network
Customer stories
How you keep shining when the lights go out
Blog
Behind the scenes of donation shows
Blog
Why calling and SMS still work in TV shows
Blog
International calling: How do you approach it?
Blog
The customer service of the future: Proactive and driven by satisfied employees
Blog
The role of technology and culture in customer service
Blog
Wesley explains: Calling with the 3CX Web Client
Blog
Which data do you feed your AI? Quality determines the outcome
Blog
How do you build trust between voicebots and their users?
Blog
Reuse your chatbot for your voicebot
Blog
Request numbers easily via our customer portal now!
Blog
Forget frustrating chatbots
Blog
Technology takes the stage
Blog
What impact will the AI Act have on customer service?
Blog
Communication Platform as a Service
Podcast
Compliance in telco
Blog
Implementation proces
Blog
Conversational AI
Podcast
Combining multiple omnichannel platforms
Podcast
Omnichannel platforms for your customer service
Podcast
New customer service phone numbers for international expansion
Podcast
A more personalized customer service through technology
Podcast
The power of SIP trunks in telecom
Podcast
How click-to-call tool Talk! supports De Kindertelefoon
Podcast
Free Download Everything you need to know about customer service in the digital world
Free download
Everything you need to know about customer service in the digital world
Blog
White paper sports & fashion branch- optimizing customer service
Free download
Customer story- iChoosr
Customer stories
Transform your waiting line into a splendid line
Blog
The pros and cons of using AI in customer service
Blog
Trends, developments and challenges in marketplace customer services
Blog
Sound of Data will be speaking at “What’s Next in Retail Tech.”
Events
Customer Contact Week Europe (CCW) and we are there!
Events
Freshworks Refreshed ’23
Events
Freshworks
Free download
Sound of Data and Freshworks create synergy through partnership
Blog
Build loyalty through proactive customer experience
Blog
Customer story – Easy Nuts
Customer stories
Customer service data is the key to personalized marketing
Blog
Talk boosts (inbound) telemarketing
Customer stories
Successful inspiration session
Blog
Conversational AI- must-have or a nice-to-have?
Free download
Work from anywhere: the future of customer service
Blog
Migrating your contact center to the cloud; what to keep an eye on?
Blog
Improve your NPS with this 4-step customer first approach
Blog
Sound of Data x Talkdesk
Blog
Customer story – international fashion retailer
Customer stories
Customer story- Alfen
Customer stories
Talkdesk
Free download
Take your customer contact to the next level with CPaaS
Blog
Improve your customer contact with conversational AI
Blog
Customer story Janshen-Hahnraths Group
Customer stories
Reduce toll free traffic costs in this easy way
Blog
Sound of Data at Customer Contact Week Europe
Blog, Events
Customer Story – Eventim
Customer stories
Is your company already using MS Teams for phone calls?
Blog
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
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
Talk product paper
Free download
Cruise Control product paper
Free download
SIP Trunks product paper
Free download
Xcally Motion
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