User's Guide

Audio Routing Schemes
The table lists the available audio routing schemes.
Table 32: Audio Routing Schemes
Call Type Answering Method Audio Routing
Full Duplex
Private Call
(FDPC) /
Phone /
PABX
Do one of the following:
• Press
Send key.
• Press any key, if Voice
Services Options is ena-
bled by your service provid-
er.
To the hands-free microphone, if configured.
Applicable only for:
• Hands-free microphone back-head
• Hands-free microphone RAC
• External speaker
To the handset taken off hook. Applicable only
for:
• Handset front-head
• Handset back-head
• Handset RAC
• External Speaker
4
To the HSM / HSM2 if connected (with or with-
out a secondary accessory). Applicable only for:
• HSM Front-head
• HSM Back-head
To the GCAI Headset / PHF. Applicable only
for:
• GCAI headset / PHF front-head
• GCAI headset / PHF back-head
• External speaker
4
To the line-in rear accessory, if configured by
your service provider. Applicable only for:
• Line-in
• External speaker
To external speaker.
Take the handset off hook. To handset taken off hook.
Half Duplex
Phone Call
(HDPC)
Press Earpce softkey.
OR
FDPC had been initiated and
modified to HDPC by the
SwMI.
Routing is as follows:
• To the external speaker on the transceiver of
the control head the call is answered from.
• To the handset taken off hook on the trans-
ceiver of the control head the call is an-
swered from.
4
If the external speaker is permanently disabled when there is an incoming call, there is no re-
ceive audio in the external speaker. The state of the external speaker can be toggled On or Off
at any time by pressing the Speaker On / Off button.
68015000180-MG
Appendix D: Audio Routing and PTT Hook Interactions
151