select indicator will remain flashing. The only way that the sixth WIP can be
answered is if one of the 5 WIP’s involved in the conference call is cancelled the
sixth WIP can then take its place.
8.4.3 Completing the Call by the WIP
If the WIP handset is placed back onto its cradle after the call is connected. The handset at the
controlling ECP will go silent and the WIP select indicator will switch off, completing the call.
8.4.4 Completing the Call by the ECP
The call can be completed at the ECP in two ways. By replacing the handset on the cradle OR by
pressing the WIP select switch. In either case the WIP will return to the confidence tone. To be able
to call or be calls again the WIP handset should be returned to its cradle.
8.4.5 ECP Calling WIP
The following is the procedure when initiating a call from the ECP to a WIP:
1. The confidence tone can be heard in the handset at the controlling ECP.
2. The WIP select switch corresponding to the WIP to be called is pressed, which causes the
WIP select indicator at the ECP’s to flash, and the buzzer to sound at the WIP. Up to 5 WIP’s
can be called using this procedure.
3. Once the handset is picked up at the WIP the connection is established and the WIP select
indicator becomes steady.
4. When the ECP is calling more than one WIP, the status of the calls, i.e. WIP answering is
reflected in the WIP select indicators.
8.4.6 ECP To All WIPS (ALL CALL)
The following is the procedure when initiating an All CALL from the ECP to all WIP’s:
1. The confidence tone can be heard in the handset at the controlling ECP.
2. The All Call button is pressed; this causes all WIP select indicators at the ECP to flash.
3. The WIP’s, buzzers sound, with a 3 second or longer ON time and 3 second OFF time. This
allows the warden at the WIP to distinguish between a direct call to his WIP and an All Call
type call.
4. When any of the WIP handsets are taken off the cradle, a connection is made and the WIP
select indicator at the ECP goes steady. Similarly as more WIP handsets are taken off the
cradle, their respective select indicators at the ECP go steady.
8.4.7 Completing The All Call
Replacing the ECP handset on its cradle i.e.: hanging up, will cancel the ALL CALL operation. Each
WIP will be returned to the confidence tone.
8.4.8 OIS Controlling ECP
With the OWS in auto any ECP can be in control of the OIS by simply lifting the WIP handset at that
ECP from its cradle. However, when an OWS is switched to the manual position it then has control
of the OIS.
Again the MECP can override an SECP to take control of the OIS.
8.4.9 Zone Labelling - Refer to Appendix A
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