SIP-T800 IP Phone User Manual
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4.5.2.4 Expansion module hardware overview
1
ITEM Name
Description
1
Programmable
buttons
Can be used to bind speed dial numbers to realize speed
dial;
It can be used to set some function codes to cooperate
with SIPServer to realize this function;
After enabling BLF* (busy line detection), you can view
the busy/idle status of the corresponding number:
Steady red: the remote line is talking
2)Flashing red: There is an incoming call on the remote
line
3)Steady yellow-green: The remote line is idle**
The sequence of programmable keys:
From top to bottom on the left: 1~16;
From top to bottom on the right:17~32
2
Paper jam in the
expansion table
Provide the user with the identification definition of the
speed dial number and the set function keys, which is
convenient for users to refer to
3
Bracket slot
Used to fix the extension stand
4
OUT interface
Used when connecting to the IN port of the next
expansion module
5
Metal fastener
slot
Insertion position of metal fastener
