VTech VSP715A Configuration Manual page 5

VTech IP Phone Configuration Guide
Authentication Name: fill in the register name of MyPBX extension.
Authentication Password: fill in the password of MyPBX extension.
SIP Server
Server Address: the IP address of MyPBX.
Port: the SIP port of MyPBX, by default, it is 5060 on MyPBX.
Registration
Server Address: the IP address of MyPBX.
Port: the SIP port of MyPBX, by default, it is 5060 on MyPBX.
You can also refer to the configuration of the red frame in the following figure.
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