AASTRA 7434ip User Guide EN - Manual (Page 47)

IP P HONE FOR MX-ONE™
47 6/1553-DBC 434 01 Uen D 2012-02-22
To answer a callback call, do the following:
1. Lift the handset. You will hear the ring tone.
You have to answer within 8 seconds, otherwise the callback is
cancelled.
Note: If you have ordered callback for an external line, you may
be prompted to enter any remaining digits.
2. The system calls the number you have requested for callback.
5.2.1.4 Canceling All Callbacks
To cancel all callbacks, do the following:
1) Lift the handset and wait for a dial tone.
2) Press more....
3) Select Cancel all Callbacks, and press Select.
A confirmation message is displayed.
4) Press Yes to confirm, or No to cancel.
5) Replace the handset.
Note: This procedure cancels callbacks to internal numbers and busy
external lines.
5.2.1.5 Canceling a Single Callback
To cancel a single callback, do the following:
1) Lift the handset and wait for a dial tone.
2) Dial # 37 * internal number #.
3) Replace the handset.
Note: To cancel a single callback on an external line, enter the digit or
digits required for a line, rather than the internal number.
5.2.2 Call Waiting
If you urgently wish to contact a busy extension, you can send a notifi-
cation using a Call Waiting signal. Call Waiting is indicated either by a
tone (if the busy extension is an analog extension), or as a second call
(if the busy extension is a digital system phone or an IP phone).
Note: If the called extension does not accept Call Waiting signals, you
will continue to hear a busy tone. If the busy extension ignores