User Guide

GRP26XX Administration Guide
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to hang up the call.
➢ When Speaker/Handset is being used in dialing/talking status, press
HEADSET button to switch to headset. Press it again to hang up the
call. Or press speaker/Handset to switch back to the previous mode.
2. Toggle Headset/Speaker:
➢ When the phone is in idle, press HEADSET button to switch to
Headset mode. The headset icon will display on the left side of the
screen. In this mode, if pressing Speaker button or Line key to off
hook the phone, headset will be used.
➢ When there is an active call, press HEADSET button to toggle
between Headset and Speaker.
Headset Type
Selects whether the connected headset is normal RJ11 headset, Plantronics
EHS headset. Default setting is “Normal”.
EHS Headset Ring
Tone
Allows user to enable the ringtone from Plantronics EHS headset and play
the ringtone in the headset.
Always Ring Speaker
Configures to enable or disable the speaker to ring when headset is used on
“Toggle Headset/Speaker” mode.
• If set to “Yes, both”, when the phone is in Headset “Toggle
Headset/Speaker” mode, both headset and speaker will ring on
incoming call.
• If set to “Yes, speaker only”, when the phone is in Headset “Toggle
Headset/Speaker” mode, only speaker will ring on incoming call.
The default setting is “No”.
Headset TX gain
Configures the transmission gain of the headset.
The default value is 0 dB.
Headset RX gain
Configures the receiving gain of the headset.
The default value is 0 dB.
Handset TX gain
Configures the transmission gain of the handset.
The default value is 0 dB.
Settings → Preferences → Date and Time
NTP Server
Defines the URL or IP address of the NTP server. The phone may obtain the
date and time from the server.
The default setting is “pool.ntp.org”.
Secondary NTP Server
Defines the URL or IP address of the NTP server. The phone may obtain the
date and time from the server. Allow user to configure 2 NTP server domain
names. GRP will loop through all of the IP addresses resolved from them.
NTP Update Interval
Time interval for updating time from the NTP server. Valid time value is in
between 5 to 1440 minutes.