ATA Voice Field Reference
PSTN Line page (SPA3102)
Cisco Small Business ATA Administration Guide
209
B
FAX CNG Detect
Enable
To enable detection of the fax Calling Tone (CNG), select
yes. Otherwise, select no.
The
default
is
yes
.
G726-40 Enable
To enable the use of the G726 codec at 40 kbps, select
yes. Otherwise, select no.
The
default
is
yes
.
FAX Passthru
Codec
Select the codec for fax passthrough, G711u or G711a.
The default is
G711u
.
DTMF Process
INFO
This field is not available for the PAP2T. To use the DTMF
process info feature, select yes. Otherwise, select no.
The
default
is
yes
.
FAX Codec
Symmetric
To force the ATA device to use a symmetric codec during
fax passthrough, select yes. Otherwise, select no.
The
default
is
yes
.
DTMF Process AVT This field is not available for the PAP2T. To use the DTMF
process AVT feature, select yes. Otherwise, select no.
The
default
is
yes
.
FAX Passthru
Method
Select the fax passthrough method: None, NSE, or
ReINVITE.
The default is
NSE
.
DTMF Tx Method
Select the method to transmit DTMF signals to the far end:
InBand, AVT, INFO, Auto, INFO, or AVT+INFO.
InBand sends DTMF using the audio path. AVT sends DTMF
as AVT events. INFO uses the SIP INFO method. Auto uses
InBand or AVT based on the outcome of codec negotiation.
The default is
Auto
.
FAX Process NSE
To use the fax process NSE feature, select yes. Otherwise,
select no.
The
default
is
yes
.