3Com 3C13618 Command Reference Manual page 226

Description
Using the display isdn q931-timer command, you can view the value of the ISDN
timer.
This command is mainly intended for technical support engineers in their fault
diagnosis and troubleshooting.
For related commands, see display interfaces.
Example
# Display the value of the isdn timer.
[3Com]display isdn q931-timer
ISDN Layer 2 values
K
N200 = 3
T200 = 1
T202 = 2
T203 = 10
ISDN Layer 3 Values
T301 = 240
T302 = 15
T303 = 4
T304 = 15
T305 = 30
T308 = 4
T309 = 90
T310 = 10
T313 = 4
T314 = 4
T316 = 120
T317 = 10
T318 = 4
T319 = 4
T321 = 30
T322 = 4
= 1 Outstanding I-frames on BRI port
Max number of retransmits
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Link Layer Protocol
33