Aastra 9000i Series Administrator's Manual page 357

Intercom Behavior
If "Incoming Call Interrupts Dialing" (Web UI) or "incoming call cancels dialing" (config
file) is enabled and you are dialing an outgoing Intercom call, the enabled interrupt setting takes
precedence over an enabled "Allow Barge In" setting. The incoming call interrupts your dialing
on an outgoing intercom call. On an incoming intercom call, the enabled "Allow Barge In" and
"Auto-Answer" occurs while you are dialing to transfer or conference the call. However, the
incoming call goes to an available idle line, and the LED blinks while you are dialing the second
half of the conference or transfer.
If "Incoming Call Interrupts Dialing" (Web UI) or "incoming call cancels dialing" (config
file) is disabled, an incoming intercom goes to an available idle line and the LED blinks for that
line. The phone answers the call under all conditions.
Configuring Incoming Call Interrupts Dialing
Use the following procedures to configure how the IP phone handles incoming calls that
interrupt outgoing dialing.
Configuration Files
For specific parameters you can set in the configuration files for enabling/disabling how the IP phones
handle incoming calls that interrupt outgoing dialing, see Appendix A, the section,
Dialing Setting" on page A-152.
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"Incoming Call Interrupts
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