NEC ASPILA EX Feature Manual page 220

Operation
206 Features
To initiate Group Listen:
1. Place or answer call using the handset.
2. Press SPK twice (but do not hang up).
SPK flashes slowly.
You can talk to the caller through your handset. Your co-workers hear your caller's
voice over your phone's speaker.
When you press SPK once, you turn your Speakerphone on and your handset off.
The second press turns on Group Listen.
To Talk Handsfree after initiating Group Listen:
1. Hang up.
To cancel Group Listen (without hanging up your call):
1. Do not hang up.
2. Press flashing SPK.
You can talk to your caller over your handset. Your co-workers can no longer hear
your caller's voice.
Group Listen
Aspila EX Software Manual