232
V7122 GatewayUser Guide
Table 46
Channel Parameters
ini
File Field Name
Web Parameter Name
Valid Range and Description
DJBufMinDelay
[Dynamic Jitter Buffer Minimum
Delay]
0 to 150 msec (default = 10)
Dynamic Jitter Buffer Minimum Delay.
For more information on the Jitter Buffer, see
Dynamic Jitter
Buffer Operation
.
DJBufOptFactor
[Dynamic Jitter Buffer
Optimization Factor]
Dynamic Jitter Buffer frame error / delay optimization factor.
The valid range is 0 to 13.
The default factor is 10.
Set to 13 for data (fax and modem) calls.
For more information on the Jitter Buffer, see
Dynamic Jitter
Buffer Operation
.
FaxTransportMode
[Fax Transport Mode]
Fax transport mode that the gateway uses.
You can select:
0 = Disable (transparent mode).
1 = T.38 Relay (default).
2 = Bypass.
3 = Events only.
If parameter IsFaxUsed = 1, then FaxTransportMode is
always set to 1 (T.38 relay).
FaxRelayEnhancedRedundanc
yDepth
[Fax Relay Enhanced
Redundancy Depth]
Determines the number of repetitions applied to control packets when
using T.38 standard.
The valid range is 0 to 4. The default value is 0.
FaxRelayRedundancyDepth
[Fax Relay Redundancy Depth]
Number of times that each fax relay payload is retransmitted to the
network.
The valid range is 0 to 2.
The default value is 0.
FaxRelayMaxRate
[Fax Relay Max Rate (bps)]
Limits the maximum rate at which fax messages are transmitted
(outgoing calls).
0 = 2.4 kbps
1 = 4.8 kbps
2 = 7.2 kbps
3 = 9.6 kbps
4 = 12.0 kbps
5 = 14.4 kbps (default).
The rate is negotiated between the sides, that is, the
gateway adapts to the capabilities of the remote side.
FaxRelayECMEnable
[Fax Relay ECM Enable]
0 = Disable using ECM (Error Correction Mode) mode during fax relay.
1 = Enable using ECM mode during fax relay (default).
FaxModemBypassCoderType
[Fax/Modem Bypass Coder Type]
Coder the gateway uses when performing fax/modem bypass. Usually,
high-bit-rate coders such as G.711 should be used.
You can select:
0 = G.711 A-law 64 (default).
1 = G.711
μ
-law.
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