Cisco SPA2102-SF Administration Guide - Page 208

ATA Voice Field Reference PSTN Line page (SPA3102) B FAX CNG Detect Enable To enable detection of the fax Calling Tone (CNG), select yes. Otherwise, select no. G726-40 Enable The default is yes. To enable the use of the G726 codec at 40 kbps, select yes. Otherwise, select no. FAX Passthru Codec DTMF Process INFO The default is yes. Select the codec for fax passthrough, G711u or G711a. The default is G711u. This field is not available for the PAP2T. To use the DTMF process info feature, select yes. Otherwise, select no. FAX Codec Symmetric The default is yes. To force the ATA device to use a symmetric codec during fax passthrough, select yes. Otherwise, select no. The default is yes. DTMF Process AVT This field is not available for the PAP2T. To use the DTMF process AVT feature, select yes. Otherwise, select no. FAX Passthru Method The default is yes. Select the fax passthrough method: None, NSE, or ReINVITE. DTMF Tx Method The default is NSE. 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. FAX Process NSE The default is Auto. To use the fax process NSE feature, select yes. Otherwise, select no. The default is yes. Cisco Small Business ATA Administration Guide 208