199
Item Description
CNG Fax
Switchover
Function
Implements the CNG fax switchover is mainly used to implement the fax mailbox
service through communication with the VCX. When the local fax machine A originates
a fax call to the peer fax machine B, if B is busy or is unattended, A can send the
originated fax to the fax mailbox of the VCX. With CNG fax switchover enabled, the
voice gateway can switch to the fax mode once it receives a CNG from A.
• Enable.
• Disable.
The function is disabled by default.
Codec Type and
Switching Mode
for Modem
Pass-through
Configure the codec type and switching mode for modem pass-through function.
• Standard G.711 A-law—Adopt G.711 A-law as the codec type and use Re-Invite
switching for modem pass-through.
• Standard G.711 μ-law—Adopt G.711 μ-law as the codec type and use Re-Invite
switching for modem pass-through.
• NTE Compatible G.711 A-law—Adopt G.711 A-law as the codec type and use
NTE-compatible switching for modem pass-through.
• NTE Compatible G.711 μ-law—Adopt G.711 μ-law as the codec type and use
NTE-compatible switching for modem pass-through.
NTE Payload
Type Field
Configure the value of NTE payload type for the NTE-compatible switching mode.
This option is configurable only when
NTE Compatible G.711 A-law
or
NTE
Compatible G.711 μ-law
is selected from the
Codec Type and Switching Mode for
SIP Modem Pass-through
list.
By default, the value of the NTE payload type is 100.
Configuring fax and modem parameters of a call route
Select Voice Management > Call Route from the navigation tree, and then click the icon of the
call route to be configured to access the call route fax and modem configuration page.
Figure 586 Call route fax and modem configuration page
For call route fax and modem configuration items, see Table 212 for details.