Video Settings - Grandstream Networks WP820 Administration Manual

account is configured as "Disabled", the caller number cannot be obtained, the phone will only display
"Unavailable".
Ringtone
CPT Settings
Configures whether to choose Call Progress Tone automatically by region. If set to "Yes", the phone will configure CPT
Auto Config
(Call Progress Tone) according to different regions automatically. If set to "No", you can manually configure CPT
CPT by Region
parameters. The default setting is "No".
Call Progress
Tones:
● Dial Tone
Configures ring or tone frequencies based on parameters from local telecom. The default value is North American
● Second Dial
standard. Frequencies should be configured with known values to avoid uncomfortable high pitch sounds.
Tone
Syntax: f1=val,f2=val[,c=on1/off1[-on2/off2[-on3/off3]]];
● Ring Back
(Frequencies are in Hz and cadence on and off are in 10ms)
Tone
ON is the period of ringing ("On time" in 'ms') while OFF is the period of silence.
● Busy Tone
In order to set a continuous ring, OFF should be zero. Otherwise, it will ring ON ms and a pause of OFF ms and then
● Reorder
repeat the pattern. Up to three cadences are supported.
Tone
Please refer to the document below to determine your local call progress tones: http://www.itu.int/ITU-
●
T/inr/forms/files/tones-0203.pdf
Confirmati
on Tone
● Call Waiting
Tone
Call Waiting
Adjusts the call waiting tone volume. Users can select "Low", "Medium" or "High". The default setting is "Low".
Tone Gain
Default Ring Defines the ring cadence for the phone.
Cadence The default setting is c=2000/4000.
Upload Ringtone
Upload Users could click on "Upload" button to upload ringtone files in .mp3/.wav/.ogg format and size less than 2M. User can
Ringtone upload up to 10 files.

Video Settings

Video Frame Rate
Video Display
Table 18: Call Settings
Table 19: Ringtone
Configures video frame rate which needs to be adjustable based on
network condition. Increasing the frame rate will significantly
increase the amount of data transmitted, therefore consuming more
bandwidth. The video quality will deteriorate due to packet loss if
extra bandwidth is not allocated.
Set the video display mode to:
● Original proportion
● Cut proportionally
● Add black margin proportionally
If set to "Original proportion", the phone displays video in its
original proportion. If the video display proportion is different from