Cisco SPA112 Administration Guide - Page 105

G726-24, G729a, or G723. Default, Use Pref Codec Only - fax settings

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Configuring Voice Configuring Voice Settings 4 Field Description Third Preferred Codec Third preferred codec for all calls. (The actual codec used in a call still depends on the outcome of the codec negotiation protocol.) Select one of the following: Unspecified, G711u, G711a, G726-16, G726-24, G726-32, G726-40, G729a, or G723. Default setting: Unspecified Use Pref Codec Only To use only the preferred codec for all calls, select yes. (The call fails if the far end does not support this codec.) Otherwise, select no. Default setting: no G729a Enable To enable the use of the G.729a codec at 8 kbps, select yes. Otherwise, select no. Default setting: Yes Silence Supp Enable To enable silence suppression so that silent audio frames are not transmitted, select yes. Otherwise, select no. Default setting: no G726-32 Enable To enable the use of the G.726 codec at 32 kbps, select yes. Otherwise, select no. Default setting: Yes Silence Threshold Select the appropriate setting for the threshold: high, medium, or low. Default setting: medium FAX V21 Detect Enable To enable detection of V21 fax tones, select yes. Otherwise, select no. Default setting: Yes Echo Canc Enable To enable the use of the echo canceller, select yes. Otherwise, select no. Default setting: Yes FAX CNG Detect Enable To enable detection of the fax Calling Tone (CNG), select yes. Otherwise, select no. Default setting: Yes Echo Canc Adapt Enable To enable the echo canceller to adapt, select yes. Otherwise, select no. Default setting: Yes FAX Passthru Codec Select the codec for fax passthrough, G711u or G711a. Default setting: G711u Echo Supp Enable To enable the use of the echo suppressor, select yes. Otherwise, select no. Default setting: Yes FAX Codec Symmetric To force the ATA to use a symmetric codec during fax passthrough, select yes. Otherwise, select no. Default setting: Yes Cisco SPA100 Series Phone Adapters Administration Guide 105

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Configuring Voice
Configuring Voice Settings
Cisco SPA100 Series Phone Adapters Administration Guide
105
4
Third Preferred Codec
Third preferred codec for all calls. (The actual codec
used in a call still depends on the outcome of the
codec negotiation protocol.) Select one of the
following: Unspecified, G711u, G711a, G726-16,
G726-24, G726-32, G726-40, G729a, or G723. Default
setting: Unspecified
Use Pref Codec Only
To use only the preferred codec for all calls, select
yes. (The call fails if the far end does not support this
codec.) Otherwise, select no. Default setting: no
G729a Enable
To enable the use of the G.729a codec at 8 kbps,
select yes. Otherwise, select no. Default setting: Yes
Silence Supp Enable
To enable silence suppression so that silent audio
frames are not transmitted, select yes. Otherwise,
select no. Default setting: no
G726-32 Enable
To enable the use of the G.726 codec at 32 kbps,
select yes. Otherwise, select no. Default setting: Yes
Silence Threshold
Select the appropriate setting for the threshold: high,
medium, or low. Default setting: medium
FAX V21 Detect Enable
To enable detection of V21 fax tones, select yes.
Otherwise, select no. Default setting: Yes
Echo Canc Enable
To enable the use of the echo canceller, select yes.
Otherwise, select no. Default setting: Yes
FAX CNG Detect
Enable
To enable detection of the fax Calling Tone (CNG),
select yes. Otherwise, select no. Default setting: Yes
Echo Canc Adapt
Enable
To enable the echo canceller to adapt, select yes.
Otherwise, select no. Default setting: Yes
FAX Passthru Codec
Select the codec for fax passthrough, G711u or
G711a. Default setting: G711u
Echo Supp Enable
To enable the use of the echo suppressor, select yes.
Otherwise, select no. Default setting: Yes
FAX Codec Symmetric
To force the ATA to use a symmetric codec during fax
passthrough, select yes. Otherwise, select no. Default
setting: Yes
Field
Description