3Com 3031 Command Reference Manual page 266

266 C 4: L L
HAPTER INK AYER
display isdn call-info
P
ROTOCOL
B2 Analog
-------------------------------------------------------------
Syntax
display isdn call-info [ interface type number ]
View
Any view
Parameter
interface type number: Interface type and number.
Description
Using the display isdn call-info command, you can view the current states of ISDN
interfaces. If no interface has been specified, the system will display the current
states of all the ISDN interfaces.
Executing this command will output the state of each layer of the ISDN protocol
on one or all interfaces, including the information of Q.921, Q.931 and CC
modules. You may make troubleshooting based on the output information.
For the related command, see display interfaces.
Example
Display the current states of all ISDN interfaces.
[3Com]display isdn call-info
Bri0/0/0:
Link Layer: TEI = NONE, State = TEI_UNASSIGNED
Network Layer: 0 connection(s)
Serial0/0/0:15:
Link Layer: TEI = 0, State = MULTIPLE_FRAME_ESTABLISHED
Network Layer: 1 connection(s)
Connection 1:
CCIndex: 0x0000,
Calling_Num[:Sub]:
Called_Num[:Sub]:
Table 7 Description of the information displayed by executing display isdn call-info
Item
Bri0/0/0
Link Layer: TEI = 0, State =
MULTIPLE_FRAME_ESTABLISHED
Network Layer: 1 connection(s)
CCIndex
State
Channel
Calling_Num[:Sub]
Called_Num[:Sub]
In 8810118 380
State: Active, CES: 1,
003
002
Description
The interface Bri0/0/0 runs ISDN.
Displays the parameters related to the link layer
protocol Q.921 of ISDN on the interface.
There is only one network layer connection on
the interface currently.
Call index
Call state
Channel map
Calling number: calling sub-address
Called number: called sub-address
8810150 2201
Channel: 0x00000002