Ricoh D296 - Page 1180

4.Service Tables
98
01: 2 port mode
10: 1 port mode
2-3 SIP: IP-FAX port mode
(TCP)
00: 3 port mode
01: 2 port mode
10: 1 port mode
Switch the port mode for IP-FAX (T38 transport: TCP) at SIP call
control.
4-7 Not used. Do not change these settings.