3Com ISDN Modem manual S75 Connection Delay

		S Registers	B-7
Table B-2	S Registers (continued)
Registers	Descriptions
S70*	Dynamic Bandwidth Allocation (DBA):
	0	— DBA disabled
	1	— DBA enabled for outgoing calls only
	2	— DBA enabled for incoming calls only
	3	— Enabled for both incoming and outgoing calls (default)
S71	B Channel Protocol:
	0	— QuickSelect (default)
	1	— Async-Sync PPP conversion
	2	— V.120
S73	V.120 Frame Type:
	0	— I frame (default)
	1	— UI frame
S74	V.120 Maximum Frame Size (range 240–256):
	256 — Maximum frame size of 256 (default)
	248 — Maximum frame size of 248 (for AdTran compatibility, use 253)
S75	Connection Delay:
	Specifies whether the ISDN modem immediately answers a call or waits 2
	seconds to answer. If you are using Windows NT, use the two-second delay.
	0	— No delay (default)
	1	— Two-second delay
S76	ISDN Call Waiting:
	0 — Phone 1 Call Waiting Disabled; Phone 2 Call Waiting Disabled
	1 — Phone 1 Call Waiting Enabled; Phone 2 Call Waiting Disabled
	(default)
	2 — Phone 1 Call Waiting Disabled; Phone 2 Call Waiting Enabled
	3 — Phone 1 Call Waiting Enabled; Phone 2 Call Waiting Enabled
S77†	Call Conferencing:
	0 — Disabled
	60 — (default)
S78	Call Transfer:
	0 — Disabled
	61 — (default)