Setting up Ironton & Telnyx SIP Trunks with 3CX V15.5 Update 2

3CX is a PBX server in Cloud Server 3CX.Contact us to find out our latest offers! 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 Continue Reading