This guide will walk you through creating and configuring SIP.US SIP Trunk with 3CX. Take note of the below special configuration requirements for SIP.US: Enter the main trunk number as E164. For calls within the US, you must enter the number in the 11-digit format. For international calls enter only the country code without the "+" and without 011. Read the guide.

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SIP.US Configuration Guide | US

Thread starter KaterinaK_3CX
Start date Feb 23, 2021

Status: Not open for further replies.

KaterinaK_3CX

Feb 23, 2021

This guide will walk you through creating and configuring SIP.US SIP Trunk with 3CX. Take note of the below special configuration requirements for SIP.US:

Enter the main trunk number as E164.
For calls within the US, you must enter the number in the 11-digit format.
For international calls enter only the country code without the "+" and without 011.

Read the guide.

Last edited: Oct 31, 2022