Cisco SPA232D Administration Manual page 115

Configuring the Voice Settings
Line 1 Settings (PHONE Port)
Cisco SPA232D Administration Guide
Field
Echo Canc Enable
FAX CNG Detect
Enable
FAX Passthru
Codec
Echo Canc Adapt
Enable
FAX Codec
Symmetric
DTMF Process
INFO
FAX Passthru
Method
DTMF Process
AVT
FAX Process NSE
DTMF Tx Method
Description
To enable the use of the echo canceller, select yes.
Otherwise, select no.
Default setting: yes
To enable detection of the fax Calling Tone (CNG), select
yes. Otherwise, select no.
Default setting: yes
Select the codec for fax passthrough, G711u or G711a.
Default setting: G711u
To enable the echo canceller to adapt, select yes.
Otherwise, select no.
Default setting: yes
To force the ATA to use a symmetric codec during fax
passthrough, select yes. Otherwise, select no.
Default setting: yes
To use the DTMF process info feature, select yes.
Otherwise, select no.
Default setting: yes
Select the fax passthrough method: None, NSE, or
ReINVITE.
Default setting: NSE
To use the DTMF process AVT feature, select yes.
Otherwise, select no.
Default setting: yes
To use the fax process NSE feature, select yes. Otherwise,
select no.
Default setting: yes
Select the method to transmit DTMF signals to the far end:
InBand, AVT, INFO, or Auto. InBand sends DTMF by 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.
Default setting: Auto
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