Linksys RTP300 User Guide - Page 153
PSTN Disconnect Detection Voice tab > PSTN Line gt, Silence Duration
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PSTN Line page (AG310 and SPA3102) Field PSTN Dialing Delay PSTN Dial Digit Len PSTN Hook Flash Len Description Specify the delay after the PSTN phone line is on-hook before the Gateway dials a PSTN number. The default is 1. Specify the on/off time when the Gateway transmits digits through the Line (FXO) port. The syntax is on-time/off-time, expressed in seconds with up to two decimal places. The permitted range is 0.05 to 3.00. The default is .1/.1. Default is .25. Voice tab > PSTN Line page > PSTN Disconnect Detection section Field Description Detect CPC CPC is a brief removal of tip-and-ring voltage. If enabled, the SPA will disconnect both call legs when this signal is detected during a gateway call. The default is yes. Detect Polarity Reversal If enabled, SPA will disconnect both call legs when this signal is detected during a gateway call. If it is a PSTN gateway call, the 1st polarity reversal is ignored and the 2nd one triggers the disconnection. For VoIP gateway call, the 1st polarity reversal triggers the disconnection. The default is yes. Detect (PSTN) Long Silence If enabled, SPA will disconnect both call legs when the PSTN side has no voice activity for a duration longer than the length specified in the Long Silence Duration parameter during a gateway call The default is yes. Min CPC Duration Specify the minimum duration of a low tip-and-ring voltage (below 1V) for the Gateway to recognize it as a CPC signal or PSTN line removal. The default is 0.2. Detect Disconnect Tone If enabled, SPA will disconnect both call legs when it detects the disconnect tone from the PSTN side during a gateway call. Disconnect tone is specified in the Disconnect Tone parameter, which depends on the region of the PSTN service. The default is yes. Linksys ATA Administration Guide 153