3Com 3C421600A Reference Manual page 227

Table A-4 Asterisk Commands
Command
*L
*M=
*P1=s
*P2=s
*S1=s
*S2=s
*T1=xx
*T2=xx
*U1=
*U2=
*U3=
*V1=
*V2=
Description
*L0 End Test
*L1 DChannel Local Loopback
*L2 BChannel 1 Local Loopback
*L3 BChannel 2 Local Loopback
*L4 DChannel Remote Loopback
*L5 BChannel 1 Remote Loopback
*L6 BChannel 2 Remote Loopback
*M=0 Auto Mode (Depends on ISDN Switch)
*M=1 Point to Multi Point Mode
*M=2 Point To Point Mode
Directory Number 0
Directory Number 1
Service Profile Identifier 0
Service Profile Identifier 1
Terminal Equipment Identifier 0
Terminal Equipment Identifier 1
Originate Mode HDLC Protocol Selection
*U1=0 None
*U1=1 V.120
*U1=2 X.75
*U1=3 Async-to-Sync PPP
Originate Mode Non-HDLC Protocol Selection
*U2=0 None
*U2=1 V.110
Originate Mode Analog Modem/Fax Selection
*U3=0 None
*U3=1 Analog Modem/Fax
Voice Bearer Capability Selection
*V1=0 Auto Mode (Depends on ISDN Switch)
*V1=1 3.1Khz Audio
*V1=2 Speech
Data Bearer Capability
*V2=0 Autodetect
*V2=1 V.120 Rate Adaption only
*V2=2 V.110 Rate Adaption only
*V2=3 Modem/Fax Emulation only
*V2=4 Clear Channel only
*V2=5 Async-to-Sync PPP only
*V2=6 X.75 only
Asterisk Commands A-227