Grandstream Device Configuration
Status Basic Settings Advanced Settings FXO Lines FXO Line Test Channels Dial-plan Profile 1 Profile 2 Profile 3

  FXO Termination
1. Enable Current Disconnect(Y/N): (default Y-yes)
If enabled, use threshold: (default 100ms, range 5 ~ 65530 ms)
2. Enable Tone Disconnect(Y/N): (default No; If yes, use busy tone settings)
3. Enable Polarity Reversal(Y/N): (default No; Consult your carrier)
4. Silence Timeout(X1s): (default 60s)
5. AC Termination Impedance: (0-15, default 0)
AC Termination Impedance Values (0-15, default 0)
0 - 600 Ohm ( North American )
1 - 900 Ohm
2 - 270 Ohm + (750 Ohm||150nF) and 275 Ohm + (780 Ohm||150nF)
3 - 220 Ohm + (820 Ohm||120nF) and 220 Ohm + (820 Ohm||115nF)
4 - 370 Ohm + (620 Ohm||310nF)
5 - 320 Ohm + (1050 Ohm||230nF)
6 - 370 Ohm + (820 Ohm||110nF)
7 - 275 Ohm + (78 Ohm || 150 nF)
8 - 120 Ohm + (820 Ohm||110 nF)
9 - 350 Ohm + (1000 Ohm||210nF)
10 - 0 Ohm + (900 Ohm||30nF)
11 - 600 Ohm + 2.16 uF
12 - 900 Ohm + 1 uF
13 - 900 Ohm + 2.16 uF
14 - 600 Ohm + 1 uF
15 - Global complex impedance

  Channel Dialing to PSTN
1. Wait for Dial-Tone(Y/N): (default No)
2. Stage Method(1/2): (default 2 - 2 stage dialing)
3. Min Delay Before Dial PSTN Number: (default 500ms, range 50 ~ 65000ms)
 
User ID Sip Server Sip Destination Port
4. Unconditional Call Forward to VOIP: @ :
(i.e ch1-2:223;ch3:224 ch1-2:p1;ch3:p2 ch1-2:5060;ch2:7080)

  PSTN to VOIP Caller ID Setting
1. Number of Rings Before Pickup: (1-50, default 4)
2. Caller ID Scheme: (1-11, default 1)
1 - Bellcore/Telcordia
2 - ETSI-FSK during ringing
3 - ETSI-FSK prior to ringing with DTAS
4 - ETSI-FSK prior to ringing with LR
5 - ETSI-FSK prior to ringing with RP
6 - ETSI-DTMF during ringing
7 - ETSI-DTMF prior to ringing with DTAS
8 - ETSI-DTMF prior to ringing with LR
9 - ETSI-DTMF prior to ringing with RP
10 - SIN 227 - BT
11 - NTT, Japan type
3. Caller ID Transport Type: (1-4, default 1)
(1:Relay via SIP From, 2:Disable, 3:Send Anonymous, 4:Relay via SIP P-Asserted-Identity)

  T.38 Setting (Syntax: ch x-y: mode=val,rate=val,ecm=val;[...])
1. T.38 Setting:
(mode: 1:Relay(default), 2:Passthough)
(rate: 2400, 4800, 7200, 9600(default), 12000, 14400)
(ecm: 1:Enable(default), 0:Disable)
     
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