Assessments - 1, GPA: 3
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Note that the default dialing mode set for the outside line only affects speed dialing and redialing operations. If a key phone sends a DTMF tone to an outside line which is configured to operate in the pulse mode, the Phone Line Manager 16 x 4 will only pass the DTMF digit dialed and will not send dial pulses. The PAUSE key on the key phone can be pressed during dialing which will insert a 2-second pause during a subsequent Last Number Redial. 37 PHONE LINE MANAGER 16 X 4 12.2 Disconnect Supervision: Polarity Reversal/Clear Forwarding Some Central Office switches signal the unit when the remote party in an outside call has disconnected from the line. For example, if an outside call is placed on hold and during that time the outside party hangs up, the system will know to release the line. The Phone Line Manager 16 x 4 supports two types of signaling. With Clear Forward signaling, used mostly in the USA, the Central Office removes the battery feed from the Tip and Ring lines to signal that the remote party has disconnected. With Polarity Reversal signaling, the Central office reverses the polarity of the Tip and Ring signals to inform the unit when a connection has been completed and when it has been disconnected. If a disconnect signal is detected during an outside line conversation, the extension hears special tone (on for 1 second, then 2 brief beeps, then the system dial tone) to indicate that the call has been disconnected. If you are being inappropriately disconnected from outside calls, disable both of these parameters. To Enable Polarity Reversal Detection: 1. In programming mode, enter 7844. Pause for confirmation tone. Hang up or continue with programming. To Disable Polarity Reversal Detection: 1. In programming mode, enter 7845. Pause for confirmation tone. Hang up or continue with programming. When Polarity Reversal detection is enabled, the Phone Line Manager 16 x 4 software will only store the details of an outgoing call into Call History memory if the first polarity reversal is received, indicating that the connection to the called party is made. Thus if an outgoing call is made and the called phone rings for longer than 20 seconds but never answers, the call is not recorded. To Enable Clear Forward Detection: 1. In programming mode, enter 7820. Pause for confirmation tone. Hang up or continue with programming. To Disable Clear Forward Detection: 1. In programming mode, enter 7821. Pause for confirmation tone. Hang up or continue with programming. There are 4 DIP switches on the Trunk Board of the Phone Line Manager 16 x 4 which must be set in the “Up” or “Off” position to allow Polarity Reversal to be detected or in the “Down” or “On” position to allow Clear Forwarding to be detected. If the DIP switches on the Trunk Board are set differently from the system software setting, improper operation will result. If the System Manager inadvertently configures the system to detect both the Polarity Reversal and the Clear Forwarding signals, the system software will look only for the Polarity Reversal signal. 38 PHONE LINE MANAGER 16 X 4 12.3 Metering Pulse Detection Some Central Office switches (mostly outside of the USA) send 12-or 16-KHz metering pulses to indicate to the system that a unit of connection time has been used. These pulses can be counted by the Phone Line Manager 16 x 4 and appear as part of the Call History record output. If your unit is equipped with the metering pulse-detection hardware, this command will enable the detection of the metering pulses. To Enable metering: 1. In the programming mode, enter 7816. Pause for confirmation tone. Hang up or continue with programming. To Disable metering: 1. In the programming mode, enter 7817. Pause for confirmation tone. Hang up or continue with programming. 12.4 Metering Pulse Frequency If metering is enabled, you must select either 12- or 16-KHz as the frequency to be detected. To select 16-KHz as the metering frequency: 1. In the programming mode, enter 7818. Pause for confirmation tone. Hang up or continue with programming. To select 12 KHz as the metering frequency: 1. In the programming mode, enter 7819. Pause for confirmation tone. Hang up or continue with programming. 12.5 Caller ID If your Phone Line Manager 16 x 4 is equipped with the optional Caller ID feature, this parameter should be enabled to allow the Phone Line Manager 16 x 4 to capture the Caller ID data sent by the Central Office switch between the first and second ring of an incoming call. This information will be output on the RS232C port of the system to a computer equipped with appropriate translation and display software. The RS232 port must be in the “Features Mode” to allow the information to be output normally or in the “System Mode” to allow the information to be transmitted via the CAT interface, if your Phone Line Manager 16 x 4 is equipped with the CAT version of the software. To enable Caller ID detection: 1. In the programming mode, enter 7828. Pause for ...