2 ansi protocol – 3Com 10014303 User Manual

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Configure the router to become ACTIVE to start data exchange
before receiving CONNECT ACK messages.

undo isdn waitconnectack

Configure the interval for the Q931 timers

isdn q931-timer timer-name time-interval

Restore the default interval timers

undo isdn q931-timer timer-name time-interval

The ISDN SETUP message contains the following information elements by default:

• High-layer Compatibility

• Low-Layer Compatibility

• Sending Complete

These can optionally be removed from the SETUP message.

6.2.2 ANSI Protocol

Table 6-3 Required ANSI Commands

Operation Command

Disable the Sending-Complete Information Element in the
SETUP message sent to PBX

undo isdn sending-complete

Table 6-4 Optional ANSI Commands

Operation Command
Configure the SETUP message to ignore the high-level
compatibility information unit when a data call is initiated.

isdn ignore hlc

Restore the SETUP message.

undo isdn ignore hlc

Configure the SETUP message to ignore the low-level
compatibility information unit when a data call is initiated.

isdn ignore llc

Restore the SETUP message.

undo isdn ignore llc

Disable the SETUP ACK messages if the received SETUP
messages in data service calls do not carry the called number
information

isdn ignore callednum

Enable the router to send SETUP ACK messages.

undo isdn ignore callednum

Configure the router to wait for CONNECT ACK message
replies from the connected exchange until switching to the
ACTIVE state.

isdn waitconnectack