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SPA9000 Field Reference
Voice tab
SPA9000 Voice System Administration Guide 249
B
FAX CED Detect Enable To enable detection of the fax Caller-Entered Digits (CED)
tone, select yes. Otherwise, select no.
Default: yes
G726-32 Enable To enable the use of the G726 codec at 32 kbps, select yes.
Otherwise, select no.
Default: yes
FAX CNG Detect Enable To enable detection of the fax Calling Tone (CNG), select yes.
Otherwise, select no.
Default: yes
G726-40 Enable To enable the use of the G726 codec at 40 kbps, select yes.
Otherwise, select no.
Default: yes
FAX Passthru Codec Select the codec for fax passthrough, G711u or G711a.
Default: G711u
DTMF Process INFO To use the DTMF process info feature, select yes. Otherwise,
select no.
Default: yes
FAX Codec Symmetric To force the SPA9000 to use a symmetric codec during fax
passthrough, select yes. Otherwise, select no.
Default: yes
DTMF Process AVT To use the DTMF process AVT feature, select yes.
Otherwise, select no.
Default: yes
FAX Passthru Method Select the fax passthrough method: None, NSE, or ReINVITE.
Default: NSE
DTMF Tx Method Select the method to transmit DTMF signals to the far end:
InBand, AVT, INFO, Auto, InBand+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.
Default: Auto