High Definition Color PoE IP Phone with Dual Display
VIP-2140PT
77
Parameters
Description
Fourth Codec
The forth preferential DSP codec:
G.711A/U,G.722,G.723,G.729,G.726-32 ,
ILBC,AMR,AMR-WB,NONE
Fifth Codec
The fifth preferential DSP codec:
G.711A/U,G.722,G.723,G.729,G.726-32,
ILBC,AMR,AMR-WB,NONE
Sixth Codec
The sixth preferential DSP codec:
G.711A/U,G.722,G.723,G.729,G.726-32,
ILBC,AMR,AMR-WB,NONE
Onhook Time
Configure the least reflection time of Hand down, the default is
200ms.
Tone Standard
Set the country standard of call progress tones, including dial tone,
busy tone, ring-back tone, etc.
Default Ring Type
Set the default ring type. If the caller ID of an incoming call was not
configured with specific ring type, the default ring will be used.
Handset Volume
Set the Handset volume; the value must be 1~9.
Headset Volume
Set the Headset volume; the value must be 1~9.
Headset Ring Volume
Set the ring volume in the headset; the value must be 1~9.
Speakerphone Volume
Set the speakerphone volume; the value must be 1~9.
Speakerphone Ring Volume
Set the ring volume in the speakerphone; the value must be 1~9.
Headset Volume Offset
This is to adjust the base volume of the headset. Please note when
set the volume at the maximum level it may create noise and
decrease the echo canceller.
Headset Mic Offset
This is to adjust the base volume of the headset Mic.
G.729AB Payload Length
Set G729 Payload Length.
G.723.1 Bit Rate
5.3kb/s or 6.3kb/s is available.
G.722 Timestamps
160/20ms or 320/20ms is available.
DTMF Payload Type
Enter the DTMF payload type; the value must be 96~127.
Enable VAD
Enable Voice Activity Detection. When enabled, the device will
suppresses the audio transmission with artificial comfort noise signal
to save the bandwidth.
Enable MWI Tone
The phone will play MWI tone when a new MWI
comes.
Auto Answer By Headset
When this item is checked, the devices will auto-answer phone calls
by headset if the auto-answer or intercom is enabled.
