Sony IPELA PCS-G50 Operating Instructions Manual page 172

Note
When you are called from a remote party and the remote party has set a lower number
of ISDN lines than that in this terminal, the setting on the remote party's terminal has
priority.
To connect with a normal phone
When you are using an ISDN connection, a normal phone can be connected at
up to five points.
Only the 1B (64K) connection is available for a normal phone.
Notes
• When using the ISDN connections, installing the PCSA-M0G50 H.320 MCU
software into two or more Communication Terminals does not allow cascade
connection.
• For a multipoint videoconference only the Communication Terminal in which the
PCSA-M0G50 H.320 MCU software is installed is used as the main terminal.
172
Connection Examples for a Multipoint Videoconference