SIP
Proceed as follows:
Using the Configuration Manager (page Administration > VoIP Configuration)
Requirements:
VoIP channels (optional, see Technical Data in the Instructions)
SIP port of the internal VoIP registrar (1 to 65535)
You will need to change this if one of the VoIP providers you use uses the default value 5060 set here.
* Important: If the SIP port of the internal VoIP registrar is modified while it is running, all the calls will be interrupted.
* Note: If the SIP port of the internal VoIP registrar is modified, the internal SIPS port of the internal VoIP registrar is also changed automatically. The internal SIPS port is calculated automatically from the SIP port of the internal VoIP registrar + 1).
* Note: The page Overviews > Ports shows an overview of the PBX ports (incoming and outgoing).
* Note: You must change the SIP port of the internal VoIP registrar in every VoIP phone that is connected to the PBX.