This upgrade method is deprecated and we cannot guarantee it will work as originally designed. Please backup your PBX and follow the information provided here and here. You can also contact our support team to assist you in upgrading your PBX in a timely manner. As you already might have heard, Debian 9 "Stretch" is released. And boy, the improvements it comes with over its pr [...]
With the release of V15.5 Update 2 (BETA), we have made many stability improvements in regards to the operation of supported SIP Trunk Providers. These changes now include the support for SIP over TCP for the providers that support it. This is already built into the templates included in Update 2, however for users of Ironton SIP Trunk that are upgrading from a previous version [...]
Our UK customers now have even more choice of SIP trunk providers. Following completion of testing with 3CX V15.5 SP1, Gradwell SIP trunk is now available for your selection from within the management console for quick and easy configuration. Since 1998 Gradwell has been providing business communications solutions to customers all across the UK. Gradwell's portfolio of services [...]
Another new SIP trunk has been added to the management console for your easy selection. Following successful testing, MTN (Cyprus) Business SIP Trunk customers can now quickly and easily configure their SIP trunk with their 3CX PBX. Founded in 1994, MTN is one of the largest telecommunications groups in the world with a presence in over 20 countries throughout Africa, Europe an [...]
Our portfolio of supported providers is growing steadily, giving you more options and flexibility with 3CX than ever before! Now, U.S. partners have even more choice when it comes to SIP trunk providers; we have added SIP.US SIP trunk to the management console for your selection following successful testing between their service and V15.5. Since 2007 SIP.US have been offering t [...]
We've added yet another new SIP trunk to our ever-growing list of supported providers. This time we would like to introduce you to Luxembourg-based telco provider MIXvoip. We have now completed interop testing between MIXvoip's SIP trunk and 3CX 15.5 and, following the successful outcome, MIXvoip can now be selected for use in the management console. MIXvoip has been providing [...]
When running a call center, agent productivity and customer satisfaction are top priorities. And what better way to monitor these than from within your PBX with call reports? With the release of 3CX V15.5 SP1 we have added 4 new call reports which will give managers and supervisors the data they need in order to boost productivity and ensure customer satisfaction. These are the [...]
With the release of v15.5 the website, documentation and resources have undergone numerous updates. We’ve received excellent feedback and we’re now pleased to inform you that the 3CX Academy Basic and Advanced training videos have been updated to reflect the new features of our latest version! As you already know, the 3CX Certification Course was updated and restructured to pro [...]
Excellent news for our UK partners and customers! The 3CX team has now completed testing UK SIP trunk provider Voiceflex with 3CX 15.5. Following the successful interoperability tests, the Voiceflex SIP trunk can now be selected for use in the 3CX management console. Voiceflex have been experts in providing voice solutions in the UK for over 10 years and their product portfolio [...]
Belgian partners and users now have another new SIP trunk to choose from. We have completed testing Belgium's largest telco Proximus with 3CX 15.5 and the SIP trunk is now available for you to select in the management console. Previously known as Belgacom, Proximus offers a full range of internet, telephony, mobile and television services to customers all over the country. The [...]

