SIP Trunking

Set up Your SIP Trunk in Minutes

Keep 100% control over your SIP Trunks. Easily scale, port, and integrate - all under one roof.

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Voice next icon SIP Trunking

The SIP Trunk Provider With Short Lines

Operational Within Minutes

Set up your SIP Trunk in minutes with our cloud software or easy-to-integrate API.

Redundancy & Resilience

Connect through our geo-redundant platform and lose single connection dependencies. 

Scalability

Easily add extra channel capacity or additional numbers without adding physical hardware or phone lines.

Lower Costs

Benefit from low investment costs, smart least-cost routing, and transparent pricing per second.

Voice Management Platform

100% Control and Transparency

Benefit from our globally redundant voice platform with flexible capacity and a suite of self-service apps & APIs.

Configure your SIP Trunks and save up to 30% on your call cost.

Contact Us

Benefits of Integrating Voice with CM.com

Easy configuration of Trunks in the Voice Management app

Overview of all accounts with custom price plans

With all IP-PBX systems & contact center software

25+ carriers and major operators directly connected

ISO 9001, 14001, 20000-1, 27001 certified

Future-Proof Your Voice Traffic

With our Voice Management platform or API ecosystem, you can integrate our SIP Trunk and all of its capabilities with your own (cloud) PBX system in just a few clicks. 

  1. Onboarded in minutes with easy integration

  2. Multiple SIP trunks and flexible capacity limits per trunk

  3. Blocking or allowing traffic based on destination or cost

One-Stop Shop for Outbound and Inbound

No calls without telephone numbers. Through our extensive partner network, you get access to DDI virtual numbers in over 80 countries.

  1. Easily request and provision numbers

  2. Including geographic, national and toll-free numbers

  3. Port your existing numbers to CM.com

  4. Extensive routing options for all incoming calls

For Contact Centers, Resellers and Enterprises

Configuration, Integration & Monitoring in One Place

voice management platform

Easy Configuration

We give you full control over your SIP trunks via one easy-to-use cloud app. Use the Voice Management app to setup, configure and manage your SIP trunks with detailed insights into your usage.

Try for free
Voice api

Integrate Via API

Add programmatic access to your SIP Trunks. Easily integrate, configure, and modify all your Trunks, Accounts, Domain Names, Distribution Groups, and Number configurations with our REST API.

To the API docs
Call detail records

Access to Call Detail Records

Detailed insight in your calls is essential for billing, cost control, and anti-fraud purposes. Using our cloud software and easy API, you get instant access to Call Detail Records (CDR).

Voice analytics

Monitor Performance and Costs

Do you want to know what’s going on with your voice traffic at any time? With Voice Analytics you have real-time insight into your voice data, including volume, destinations, cost, and quality statistics. 

Competitive SIP Trunking Rates

Prices per Minute, Billing per Second

* Full price list in the Voice Management app

Country Starting at / Minute
Country Starting at / Minute

United Kingdom

€ 0.0040

Netherlands

€ 0.0075

Belgium

€ 0.0165

Germany

€ 0.0164

France

€ 0.0059

* Full price list in the Voice Management app

Get Started in 4 Easy Steps

  1. Create your first SIP Trunk
  2. Start calling right away

Latest Articles

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Oct 16, 2023 • Voice

Voicebots: The Emerging Force for Customer Service

Voicebots are growing in popularity and are arguably one of the biggest Customer Experience trends of the moment. But what exactly are voicebots? And how can they help your business? Discover our Conversational IVR Solution and read all about voicebots in this blog.

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Oct 03, 2022 • Voice

Why Offering Customer Support by Phone Is Essential

Who says Gen Z and millennials don’t like to pick up the phone and call? In many cases, the telephone is the preferred customer support contact method for 69% of consumers of all ages. At the same time, Google searches for “phone number customer service” in the US have continued to increase steadily over the past five years.

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Oct 03, 2022 • Voice

5 Questions About Voice in Mobile Service Cloud

Thinking of customer service, the first image that comes to mind is people with headsets in a call center. Those days are gone – with all messaging channels playing a vital role in our daily lives, the call center has evolved into a contact center. We expect to communicate with companies as we do with friends and family. Sometimes a quick chat will do, while another time you prefer a phone conversation. At CM.com we understand this. That’s why we’ve added Voice as a channel to Mobile Service Cloud: connecting customers and companies via phone, and any messaging channel. In this article, you’ll find out more about Voice in Mobile Service Cloud.

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Aug 30, 2022 • Voice

9 Top Marketing Use Cases for Voice Campaigns

What's more impactful than a personal, spoken message? The human voice is one of the most powerful ways to convey information to your customers, supporters, and employees. But how can you do it at scale? Voice campaigns enable you to reach people effectively, boosting engagement and reach while controlling costs.

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Jan 05, 2022 • Voice

The Strategy of Customer Service Channels for eCommerce

The next time you walk into your favorite brick-and-mortar clothing store, try noting the number of service interactions you encounter in a single visit. You won't get a similar experience online. It's time for multichannel retailers to reimagine the customer experience in a digital setting. Think — immersive, personalized experiences that grab shoppers' attention.

Microsoft Teams
Nov 29, 2021 • Voice

Why Microsoft Teams Direct Routing Is the Must-Have Solution for Your Business

Microsoft Teams has become a staple of the business world. Part of its boost in popularity is thanks to the fact that working from home became the norm in recent times. That it is currently one of the fastest growing products in the world should come as no surprise. Microsoft Teams handles our internal communications, meetings and offers options for document management and app integrations. But did you know you can also use it as a platform to make business calls?

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Jul 20, 2021 • Voice

The Benefits of VoIP for Business

If a business process or a system can be done better, faster, and cheaper, then it makes sense to embrace it wholeheartedly. That said, what do you know about VoIP?

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Dec 29, 2020 • Voice

Why is BYOC Becoming the De Facto Way to Increase Agility, Manage Compliance and Reduce Costs?

Welcome to BYOC. In as little as two clicks you can avoid spending hundreds of Euros and weeks of integrations, extending your choice of SIP Trunk providers.

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Jul 23, 2014 • Voice

How to Format International Telephone Numbers?

Sending SMS messages is easy, although there are some details that need attention. There is, for instance, quite some confusion in how to format telephone numbers correctly.

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