You can use the handset as a two-way radio with the Push to Talk feature. The message is played over the handset speaker automatically. Only 1 person at a time can use Push to Talk. If you press Mute while you are receiving a Push to Talk message, the handset speaker mutes.
Before you begin
You need Push to Talk enabled on your handset.
At least one more handset in the system needs Push to Talk enabled.
When your handset is idle, push and continue to hold Mute .
After the Connected screen displays, you can talk.
When your message is complete, release Mute.