Siemens 600Series - Manual (Page 89)

Making Calls 3-31
3.
Makin
g
Calls
One-Way Speaker Call
The One-Way Speaker Call feature lets you make a one-way call to the
speaker of another phone. If the other party does not have a
speakerphone, they must pick up the handset to answer.
Note: One-Way Speaker Call is only available on Version 6.3 and
higher.
To make a one-
way speaker call ➩ Press the One-Way Speaker Call
(SPK1WAY) key.
➩ Dial the extension.
You will hear the confirmation tone. The
other party will hear a double beep.
OR
➩ Get a dial tone.
➩ Dial # 8 1.
You will hear the confirmation tone,
followed by a dial tone.
➩ Dial the extension.
You will hear a confirmation tone. The
other party will hear a double beep.
➩ Begin speaking. The other party must pick
up the handset to answer.