Linksys SPA921 Cisco SPA9000 Voice System Administration Guide - Page 267

SPA400 Field Reference Setup C Voice Setting Calling Timers Wait-for-Answer time Call Limit Dialing Parameters Tone out on Tone out off DTMF power Answer after Dial out wait Dial out battery threshold The time in seconds that the SPA400 waits for the called party to answer the call before terminating the call automatically The maximum value is 100 seconds. Default: 180 The maximum time that a call can continue before it is terminated automatically Default: 65535 The duration in milliseconds of each tone in a DTMF sequence Default: 200 The number of milliseconds that elapses between successive digits in a DTMF sequence Default: 200 The power level in 0.1 dBm of the DTMF tones Default: -130 The number of rings that occur before the SPA400 answers an incoming call The maximum value is 2 rings. Because the PSTN does not transmit caller ID information until after the first ring, this 2ring setting is recommended to ensure that caller ID information is available. Default: 2 The number of milliseconds that elapse after the SPA400 seizes a telephony port and before the SPA400 sends DTMF digits Default: 400 The minimum voltage level that the SPA400 must detect on a telelphony port before seizing a telephony port for an outbound call Default: 20 SPA9000 Voice System Administration Guide 265