SIP Trunking Services
SIP Trunking simplifies your business telephony and saves you money. Multinational businesses who want to optimize their voice infrastructure and better manage costs should consider Colt as a provider for SIP Trunking services. With SIP Trunking solutions you simplify all your telecommunications into a single IP network.
You keep all the features of traditional telephony, and call quality, while gaining a monthly cost saving as high as 50%.
Cost Effective Expertise
By reducing the number of supplies into one IP network you save money. Free internal calls and sharing voice/data infrastructure also brings network costs down.
Our highly certified SIP Trunking service experts work with you to ensure we get it right first time. You’ll be up and running quickly with minimal disruption to the business.
Easy & Reliable
Cut down on administration time with our global network. We manage everything and you only ever have to deal with a single point of contact.
Build a voice network that meets your compliance, disaster recovery, and security needs. We offer SRTP & TLS encryption, Performance Reporting and PSTN Replacement.
Coverage & Choice
The only service provider with a consistent service and delivery wrap across all countries. We have true “in-country” capabilities and are continually expanding into new geographies, now covering 23 countries globally.
Pick the QoS you want from our wholly-owned MPLS or Ethernet networks. Seamless migration and porting, PSTN compatibility, and emergency call and CLI handing.
Learn more
Want to learn more about our business phone services?
Check out the rest of the products below.
ISDN Voice Services
With over 20 years’ experience, and the most comprehensive Pan-European network, Colt is the ISDN provider of choice for thousands of businesses across Europe.
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Meet Joanne, Senior Account Manager
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Careers at Colt
As VoIP gains more acceptance and demand increases, we’re confident that Colt is well equipped to accommodate our growth and will continue to provide us with the excellent support we always receive.Intercall
VP Telecoms EMEA, Intercall