Worldwide voice services -
Simple & cost efficient

Make, receive and automate your business calls. Reduce costs and improve efficiency with our VoIP solutions.

Let's talk

Enhance your business with Voice Solutions

emoticon Created with Sketch.

Contact centers

The SIP Trunk of CM is ideal for processing large volumes of phone traffic, for both inbound and outbound calls.

home Created with Sketch.


Connect your phone system with CM's SIP Trunk and make calls at the lowest cost. Our connection is of premium quality.

phone Created with Sketch.


Connect your telephone system with the powerful CM SIP Trunk and send all your inbound and outbound traffic via CM. Save up to 35% on the fixed and variable costs.

SIP Trunking

Whether you're a contact center, an enterprise, or need SIP for a wholesale solution, our scalable platform offers you the solution you need.

Set up your SIP Trunk in minutes, define thresholds, configure numbers, monitor traffic and more.

  1. Realtime insights in telephony statistics

  2. Easily scale your concurrent channels and call setups per second

  3. Global geo-redundant platform

Read more
sip trunking cm

Receive calls from inbound numbers

Enable your customers to be able to call you, whether you have a high capacity help desk or just require your company to be reachable via a local number. We deliver global direct dial-in (DDI), Toll-Free and Premium numbers and port your existing numbers to the CM Platform.

  1. Global coverage of local direct dial-in numbers, local & abroad

  2. We offer scalable concurrent call capacity

  3. Select inbound numbers at competitive rates

Read more
inbound numbers

Voice API: Create rich and intelligent voice experiences

Manage your own call flows with CM's Voice API. It enables any developer to create and maintain call flows. It provides the required control and flexibility to easily build IVR applications, without the complexity of integrating voice functionalities yourself.

  1. Jumpstart with templates

  2. For Audiomessages, Text-to-speech, Voicemail detection and more

  3. Easy-to-use building blocks to create your own IVR applications

Learn more

Voice Campaigns: Easily send Text-2-Speech & Audio Messages

Reach your customers directly with a personal voice message. Send a voice campaign with just a few clicks. Simply create an account and upload an audio file.

Add voice messages to your communication channels to optimize your reach and conversion rates. Schedule marketing campaigns or use our API's to automate your voice messages.

Read more

Reduce costs and improve efficiency

"Not only the price is important. CM is also specialist if it comes to clever routing of calls using only the best telecom providers. Next to a good price, the quality is of the routes is very high."

Kees-Jan Mars, Managing Director at GDCC

"The quality of CM's SIP Trunk is excellent. The switch to CM's Voice platform was also easily and quickly implemented."

Sander Kole, Technology Director at

Start talking

Benefit from all the voice solutions available and make sure you get heard by your customers. Start talking today.

Let's talk

Related articles

Choose a different country or region if you want to see the content for your location.