IP Telephony System
FAX CED Detect Enable. To enable detection of the fax
FAX CNG Detect Enable. To enable detection of the fax Calling Tone (CNG), 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. To use the DTMF process info feature, select yes. Otherwise, select no. The default is yes.
FAX Codec Symmetric. To force the System to use a symmetric codec during fax passthrough, select yes.
Otherwise, select no. The default is yes.
DTMF Process AVT. 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, 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.The default is Auto.
FAX Process NSE. To use the fax process NSE feature, select yes. Otherwise, select no. The default is yes.
Hook Flash Tx Method. Select the method for signaling hook flash events: None, AVT, or INFO. None does not signal hook flash events. AVT uses RFC2833 AVT (event = 16). INFO uses SIP INFO with the single line signal=hf in the message body. The MIME type for this message body is taken from the Hook Flash MIME Type setting. The default is None.
FAX Disable ECAN. If enabled, this feature will automatically disable the echo canceller when a fax tone is detected. To use this feature, select yes. Otherwise, select no. The default is no.
Chapter 6: Using the | 63 |
The Voice Tab |
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