BRAVE
– user guide
7
1.2 Terminology
Telephone line
analog (2 wires) is way of connection to public network
(
PSTN line
) or connection to PABX
– telephone exchange at
place of installation (
extension line
)
Line picking up
begin of call
– same like OFF HOOK by handset
Line hanging up
end of call
– same like ON HOOK by handset
Dial
DTMF
- tone dial. It is dial by 2 tones combination (dial also
special character * and #. Use Flash loop interruption)
Pulse
– dial by loop interruption (dial numbers only)
Incoming call
connection between intercom and phone has been done by
dial from phone.The intercom picks up the call after
preprogrammed number of rings. After picking up and
password inserting you can programm the unit by phone.
Outgoing call
connection between intercom and phone has been done by
dial from intercom, for example : by button pressing
Call establishing
it is stage when call is picked up by called party. This stage
is not signalled at analog line. It just stop ringing tone and
call starts. It is difficult identify just this moment.
El.lock code
function for relay closing by dial digits combination from
intercom buttons
External code
Digits combination dial from intercom buttons for relay
activation. External = dial by intercom buttons
– out of
building ( at place of door intercom installation)
Internal code
Digits combination dial from phone for relay activation
(DTMF). Internal = dial by phone
– inside building ( phone
connected to other PBX extension)
