Fax / Modem Transparent With Events Mode; Fax / Modem Transport Mode; Mediant 600 & Mediant - AudioCodes Mediant 600 User Manual

V23ModemTransportType = 0
V32ModemTransportType = 0
V34ModemTransportType = 0
BellModemTransportType = 0
Additional configuration parameters:
•
CoderName
•
DJBufOptFactor
•
EnableSilenceCompression
•
EnableEchoCanceller
Note:
9.7.2.5

Fax / Modem Transparent with Events Mode

In this mode, fax and modem signals are transferred using the current voice coder with the
following automatic adaptations:
Echo Canceller = on (or off, for modems)
Echo Canceller Non-Linear Processor Mode = off
Jitter buffering optimizations
To configure fax / modem transparent with events mode, perform the following
configurations:
IsFaxUsed = 0
FaxTransportMode = 3
V21ModemTransportType = 3
V22ModemTransportType = 3
V23ModemTransportType = 3
V32ModemTransportType = 3
V34ModemTransportType = 3
BellModemTransportType = 3
9.7.2.6 G.711 Fax / Modem Transport Mode
In this mode, when the terminating device detects fax or modem signals (CED or AnsAM), it
sends a Re-INVITE message to the originating device requesting it to re-open the channel
in G.711 VBD with the following adaptations:
Echo Canceller = off
Silence Compression = off
Echo Canceller Non-Linear Processor Mode = off
SIP User's Manual
This mode can be used for fax, but is not recommended for modem
transmission. Instead, use the modes Bypass (refer to ''Fax/Modem Bypass
Mode'' on page 481) or Transparent with Events (refer to ''Fax / Modem
Transparent with Events Mode'' on page 484) for modem.
484
Mediant 600 & Mediant 1000
Document #: LTRT-83305