iPECS eMG80 & eMG800 & UCP
Feature Description and Operation Manual Issue 1.6
258
2.82.2.4 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 system 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 system employs H.450 Call Completion, Busy Subscriber
(CCBS) protocol to provide call back capabilities. iPECS system 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.
4. When you receive Call Back ring, the system dedicates a network path for your call.
You must answer your Call Back ring prior to the expiration of the Network Transfer
Recall Timer or, the Call Back is cancelled..
5. There are two methods to provide Net Call Back, connection mode and connectionless
mode based on the Net CC Retain Mode.
Programming
Keyset Admin.
SYSTEM
Networking Basic Attribute (PGM 320)
Networking CO Line Attribute (PGM 322)
Network Numbering Plan Table (PGM 324)
Network Feature Code Table (PGM 325)
NETWORKING DATA
Web Admin.
Net Basic AttributesNet CC Retain Mode, Net Trans Recall
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