Ericsson 50 - Manual (Page 18)

DURING CALLS
16
BusinessPhone 250 / BusinessPhone 50
Standard Telephone / Economyplus Telephone
COMMON HOLD
Hold Press (pre-programmed)
The line key lamp flashes slowly. The call can be picked
up on any extension within one minute, or else it will
recall on the holding extension.
Line 1 Press to pick up on own extension
or
Pick up on another extension:
Call the extension that put the call on hold
Press