Ricoh D131 Service Manual page 1059

IP Fax received telephone number
7 confirmation
0: No confirmation, 1: Confirmation
No.
IP Fax delay level setting
Selects the acceptable delay level.
Level 0 is the highest quality
Default is "0000" (level 0).
Bit 3
0-3
0
0
0
0
4-7 IP Fax preamble wait time setting
SM
IP Fax Switch 01 (SP No. 1-111-002)
Function
Bit 2 Bit 1
0 0
0 0
0 1
0 1
When "0" is selected, fax data is received
without checking the telephone number.
When "1" is selected, fax data is received
only when confirming that the telephone
number from the sender matches the
registered telephone number in this
machine. If this confirmation fails, the line is
disconnected.
Comments
Bit 0
0
1
0
1
Selects the preamble wait time.
[00 to 0f]
There are 16 values in this 4-bit binary
switch combination.
Waiting time: set value level x 100 ms
Max: 0f (1500 ms) Min: 00 (No wait time)
The default is "0000" (00H).
167
Level 0
Level 1
Level 2
Level 3
D619