Ricoh B286 Service Manual page 391

When the Call Center calls out to the access point where Embedded RC
Gate-M is used, the ID tone (*#1#) is sent repeatedly. This SP sets the
amount of time to elapse for ID tone output.
[0 to 24/1/1 pause count]
1 pause count = 2 sec.
Access Point DFU
163 This is the dial-up telephone line number of the access point connected to
Embedded RC Gate-M. If a number is entered here that number is used. If no
number is entered here then the pre-set country setting is used.
Line Connecting DFU
This SP code should be set for the customer using Embedded RC Gate-M,
depending on the line usage (whether line is shared with a fax or not).
164
[0 to 1/0/1]
0: Line shared with facsimile
1: Line not shared with facsimile
Modem Serial No. DFU
173
This SP code displays the serial number of the Embedded RC Gate-M
(modem).
Retransmission Limit DFU
174
Use this SP to manually send a registration update request to Embedded RC
Gate-M.
RCG-C M Debug Bit SW DFU
This SP code sets the bit switch for Embedded RC Gate-M to enable
debugging.
186
[0 to 1/0/1]
0: Enable
1: Disable
SM 5-121
SP5-xxx Mode
B286/B289