Sony SPP-M937 - Manual (Page 31)

31 US
Advanced Features
Advanced Features
Note
The call to the handset will stop automatically after a minute.
Receiving a call while using the intercom
When a call comes in, a beep is heard through the handset and a ringer
tone is heard through the base phone.
The LINE 1 or LINE 2 button on both the handset and the base phone
flashes.
Press (LINE 1) or (LINE 2) whichever is flashing, then you can answer
the call.