Cisco SPA112 Administration Guide - Page 106

end: InBand, AVT, INFO, or Auto. InBand sends DTMF, DTMF Detection Tx Mode is available for SIP - fax setting

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Configuring Voice Configuring Voice Settings 4 Field DTMF Process INFO FAX Passthru Method DTMF Process AVT FAX Process NSE DTMF Tx Method FAX Disable ECAN DTMF Tx Mode Description 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 If enabled, this feature automatically disables the echo canceller when a fax tone is detected. To use this feature, select yes. Otherwise, select no. Default setting: No DTMF Detection Tx Mode is available for SIP information and AVT. Options are: Strict or Normal. Default setting: Strict for which the following are true: • A DTMF digit requires an extra hold time after detection. • The DTMF level threshold is raised to -20 dBm. The minimum and maximum duration thresholds are: • strict mode for AVT: 70 ms • normal mode for AVT: 40 ms • strict mode for SIP info: 90 ms • normal mode for SIP info: 50 ms Cisco SPA100 Series Phone Adapters Administration Guide 106

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Configuring Voice
Configuring Voice Settings
Cisco SPA100 Series Phone Adapters Administration Guide
106
4
DTMF Process INFO
To use the DTMF process info feature, select yes.
Otherwise, select no. Default setting: Yes
FAX Passthru Method
Select the fax passthrough method: None, NSE, or
ReINVITE. Default setting: NSE
DTMF Process AVT
To use the DTMF process AVT feature, select yes.
Otherwise, select no. Default setting: Yes
FAX Process NSE
To use the fax process NSE feature, select yes.
Otherwise, select no. Default setting: Yes
DTMF Tx Method
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
FAX Disable ECAN
If enabled, this feature automatically disables the
echo canceller when a fax tone is detected. To use
this feature, select yes. Otherwise, select no. Default
setting: No
DTMF Tx Mode
DTMF Detection Tx Mode is available for SIP
information and AVT. Options are: Strict or Normal.
Default setting: Strict for which the following are true:
•
A DTMF digit requires an extra hold time after
detection.
•
The DTMF level threshold is raised to -20 dBm.
The minimum and maximum duration thresholds are:
•
strict mode for AVT: 70 ms
•
normal mode for AVT: 40 ms
•
strict mode for SIP info: 90 ms
•
normal mode for SIP info: 50 ms
Field
Description