Essence Technology EAG Series, Administration Manual, Page: 60 / 99

1/5/2007 EAG Gateway Series Administration Guidelines MAG-06007 Rev. A
FXO Gain
18
To PSTN
Enter the volume increase into the PSTN. Value range is -6 - +3dB. Default is -3.5dB.
FXO Gain To IP
Enter the volume increase into the IP. Value range is -3 - +3dB. Default is 0.
FXO Impedance
19
Select an FXO impedance number. Options include Complex Impedance; 600
Ω
; and 900
Ω
. Default is
600
Ω
.
FXO Relay Time (ms)
Enter the time (in millisecond) allowed for the dialing of the first digit of the called party number to
PSTN after FXO line goes off-hook. The default value is 400.
Digit On Time (ms)
Enter any number from 80 to 150. This parameter specifies the signaling mode
20
) of auto dialing from
FXO to PSTN. The default is 100ms.
Digit Off Time (ms)
Enter any number from 80 to 150. This is the interval at which FXO sends out two consecutive digits.
The default is 100ms.
Busy Tone
Busy Tone Repetition
Enter a number from 2 to 5. This is the number of times EAG keeps checking busy tone before the
FXO line goes on-hook.
Busy Tone Frequency1
Enter the first frequency of the on-hook signal. Default value is 450. There is no need for users in
China and US to set up this parameter. The gateway will search for US, China, and China PBX
on-hook three signal frequencies.
Busy Tone Frequency 2
Enter the second frequency of the on-hook signal. Default value is 0. There is no need for users in
China and US to set up this parameter. The gateway will search for US, China, and China PBX
on-hook three signal frequencies
18
When detected signals are not strong enough over the network, we use signal gain parameter to increase the
strength of the signal
19
A measure of the total opposition to current flow in an alternating current circuit, made up of two components,
ohmic resistance and reactance, and usually represented in complex notation as Z = R + iX, where R is the
ohmic resistance and X is the reactance. It also refers to an analogous measure of resistance to an alternating
effect, as the resistance to vibration of the medium in sound transmission.
20
Signal mode refers to inserting a silence signal periodically into the voice stream. Standard used in China
specifies “450 Hz, 350ms ON + 350ms OFF”, means signal cycle is 700ms; insert 350 ms signal plus a silence
signal of 350 ms for each cycle.
56