9.1.5 ICD Group Features—Overflow
PS Ring Group
Floating Extension no. for SVM
VM Group (DTMF/DPT)
External Pager (TAFAS)
Analog/ISDN Remote Maintenance
Idle Line Access no. + Phone no.
Trunk Group Access no. + Trunk Group no. + Phone no.
Extension of Another PBX (via TIE Line, Access with PBX Code)
Extension of Another PBX (via TIE Line, Access without PBX Code)
Busy on Busy
The Busy on Busy feature works when the destination for the Intercept Routing—Overflow in an Incoming
Call Distribution Group feature is not assigned in one of the following conditions:
There is no space in the Waiting queue.
The Queuing Time Table is not assigned and there are no extensions logged-in.
[Example of a)]
There are five assistants in a shop. When the answering agent number is "2", and the queuing call number
If two of the assistants are talking on the phone, the next caller will hear a busy tone to prevent the caller
from thinking that there is no one in the shop or that the shop is closed.
[Intercept Routing—Overflow in an Incoming Call Distribution Group]
If the Overflow time expires, and the overflow destination is unavailable:
If the CO line call arrives through the ELCOT, LCOT or T1 (LCOT/GCOT) card:
(1) If the call was once in a queue and an outgoing message (OGM) was sent to it, or the call reached
an incoming call distribution group by using the DISA feature (® 4.1.7 DISA (Direct Inward System
Access)): The line is disconnected.
(2) In all other cases: Redirection is ignored and the Overflow timer activates again.
If the call arrives through another card: Redirection is ignored and the Overflow timer activates again.
[Busy on Busy]
If a CO line call arrives through the ELCOT, LCOT or T1 (LCOT/GCOT) card, a busy tone will not be sent
to the caller.
PC Programming Manual References
5.12 [3-5-1] Incoming Call Distribution Group—Group Settings
→Overflow Queuing Busy
→Overflow No Answer
5.14 [3-5-2] Incoming Call Distribution Group—Queuing Time Table
Document Version 2010-11