Sony SPP-A5000 - Manual (Page 32)

Paging
From the base unit to the cordless handset
!
You cannot page the cordless
handset when the handset is in
use.
To page someone near the cordless handset, the RING ON/BATT
SAVE switch of the cordless handset should be set to RING ON.
Press PAGE on the base unit.
The cordless handset rings, and continues to ring until you release
PAGE.
From the cordless handset to the base unit
If the RINGER LEVEL switch of
the base unit is set to OFF, the
base unit still rings at the "Low"
volume level when paged from
the cordless handset.
Press PAGE on the cordless handset.
The base unit rings, and continues to ring until you release PAGE.
32 Communicating between the phone units