Related Features
Net Intercom Call
Net Call Transfer
Hardware
2.80.2.4 Network Call back (Call Completion)
Description
When you call a networked station that is busy, you can leave a Call Back request. When the
busy station returns to idle, you will receive a Call Back from the system. Upon answer, the
iPECS UCP will place a call to the originally busy station. Network Call Back operates in the
same manner as Call Back and is subject to the conditions associated with Call Back.
From a network perspective, iPECS UCP employs H.450 Call Completion, Busy Subscriber
(CCBS) protocol to provide call back capabilities. iPECS UCP supports the Connection
Retain mode in the H.450 (CCBS) protocol
Operation
1. Press the [CALLBK] button.
To activate a Network Call Back while receiving busy tone
2. The call is cleared after a confirmation tone.
3. When the busy station goes to Idle, the originator receives a callback ring.
4. When the originator answers the callback ring, a new call will be activated to the
calling station.
Conditions
1. A stand-alone IP Phone that supports H.450 can activate the Call Completion
feature.
2. A station can leave or have only one callback message, a new request cancels the
previous request and the new request is honored.
3. When you call a networked station, if the station is in DND or does not answer, you
will not be able to leave a Voice message using the [Message/Call Back] button.
You can leave a Voice message only if the called station forwards calls to their
Voice Mailbox.
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