A1 Bulgaria SIP Trunk Configuration Guide | Bulgaria

[KaterinaK_3CX]

This guide will walk you through the steps to create and configure A1 Bulgaria SIP Trunk with 3CX.

Take note of the below special configuration requirements for A1:

• Not compatible with Hosted by 3CX
• Enter the main trunk number in the international format (e.g. 359875559473).

Read the guide.