Yealink T40G Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series IP Phones
372
may render the voice quality bad.
Permitted
Values
Integer from -50 to 50
Default
0
Web UI
Features->Audio->Handset Send Volume (-50~50)
Parameter
voice.handset.autoreset_spk_vol
<y0000000000xx>.cfg
Description
It configures the handset's volume level during a call.
Permitted
Values
0-The handset volume at the end of a call persists between calls.
1 to 15-The handset volume does not persist between calls, and resets to this
specified level each new call.
Default
0
Parameter
voice.headset_send
[1]
<y0000000000xx>.cfg
Description
It configures the sending volume of the headset.
Note: We recommend that you modify this parameter cautiously. An suitable value
may render the voice quality bad.
Permitted
Values
Integer from -50 to 50
Default
0
Web UI
Features->Audio->Headset Send Volume (-50~50)
Parameter
voice.headset.autoreset_spk_vol
<y0000000000xx>.cfg
Description
It configures the headset's volume level during a call.
Permitted
Values
0-The headset volume at the end of a call persists between calls.
1 to 15-The headset volume does not persist between calls, and resets to this specified
level each new call.
Default
0
Parameter
voice.side_tone
[1]
<y0000000000xx>.cfg
Description
It configures the volume of the side tone.
Permitted
Values
Integer from -100 to 0
Default
-25
[1]
If you change this parameter, the IP phone will reboot to make the change take effect.

Yealink T40G Specifications

General

SIP Accounts	3
Wall Mountable	Yes
Opus Codec	No
Display	2.3 inch 132x64-pixel graphical LCD
Network	Dual-port Gigabit Ethernet
PoE	Yes
Headset Support	Yes, RJ9 port
Power Adapter	Optional
Voice Codecs	G.722, G.711(A/μ), G.729AB, G.726
Local Phonebook	1000 entries