entered is consistent with the corresponding value on the device
you wish to establish a data transmission with.
9.2. SIP Call &SIP Call Configuration
You can make SIP call ( Session Initiation Protocol ) in the same way
as you do for making the IP calls on the device. However, SIP call
parameters related to its account, server, and transport type need to
configured first before you can make calls on the device.
9.2.1. SIP Account Registration
E16 series door phones support two SIP accounts that can all be
registered according to your applications. The SIP account can be
configured on the device interface.
To perform the SIP account setting on the Web Interface, you can do