Specifications

310HD, 320HD and 420HD IP Phones
3. Speak into the phone’s speaker microphone; after about five seconds, the LCD screen
displays the message "playing", and the voice that was recorded when you spoke into
the speaker’s microphone is now played from the speaker’s receiver.
Figure 39-27: Speaker/Mic Test – Playing
4. Continue with the MAC Address and Serial Number Verification test in Section 39.1.7
on page 241.
Administrator's Manual 252 Document #: LTRT-09910