GAI-Tronics TMA Version 7.5.0 Telephone Management Application (TMA) User Guide (Ver. 7.5.0 and newer) - Manual (Page 50)

Pub. 42004-479B
Telephone Management Application (TMA) User Guide Page 47 of 128
e:\standard ioms - current release\42004 instr. manuals\42004-479b.doc
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hh:mm:ss This read-only field displays the length of the timeout period. The valid range is 00:01:00
to02:46:20or Disabled .
Dial/Recall Mode S.M.A.R.T. phones can be programmed for touch-tone (MF) dialing or loop-
disconnect (pulse) dialing. The hookswitch flash feature can be configured to generate an earth-loop
recall (ELR) or a timed-break recall (TBR). A drop down box is selectable and the choices are: LD/ELR,
MF/ELR , LD/TBR , and MF/TBR. The factory setting (MF/TBR) is the appropriate setting in almost
all installations. Note that the LD/TBR setting is not implemented in the S.M.A.R.T. phones. When
LD/TBR is selected, the Dial/Recall Mode setting will automatically revert to MF/TBR.
Mute Before Dial sets the muting of the microphone to on or off in the off-hook period before dialing.
Muting prevents illicit dialing by DTMF tone pad where it is possible to obtain a dial tone.
Line Current This read-only field displays the installation's loop current. Typical loop current should be
25–55 mA. Refer to the installation manual for your phone model to determine the acceptable range.
Loop Current Disconnect allows for adjustment of the phone's ability to terminate a call as a response to
a Loop Current Disconnect signal sent by the PBX (or PSTN) to the S.M.A.R.T. phone. The correct
setup of this item is especially important for handsfree type phones. Recommended settings are 25
(Enabled) or 255 (Disabled)
With a phone's Loop Current Disconnect value set to Disabled, the phone will ignore any PBX disconnect
signal and will not end the call (will not release the line). With this setting, the party connected to the
S.M.A.R.T. phone is required to send the DTMF characters *99 to direct the S.M.A.R.T. phone to
terminate the call. If the S.M.A.R.T. phone does not receive the *99 command, it may remain in an active
call until the Timeout Period elapses.
With a phone’s Loop Current Disconnect value set to Enabled, the phone will, after the connection has
been established for 10 seconds, recognize a PBX's Loop Current Disconnect signal and respond by
releasing the line to terminate the call. (During the call's initial 10 second period, the phone is able to
respond to the DTMF *99 command to end the call and release the line, but the phone will ignore a Loop
Current Disconnect signal.)
Dial Tone Detection controls the time limit that the phone uses for detecting dial tone. Recommended
settings are 110 (Enabled) or 0 (Disabled). If Dial Tone Detection is enabled, the phone will attempt to
recognize dial tone on the line after it goes off-hook. If no dial tone is detected within 5.5 seconds, the
phone will release the line (go back on-hook), ending the call attempt. With this detection disabled, the
phone will not require that dial tone be present to continue the call attempt. The disabled setting will be
used if the phone is connected to a ringdown line that does not provide dial tone.