Setting up Ironton SIP Trunk with 3CX V15.5 Update 2

[Alex Bower]

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 upg...

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