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5312/5324 IP Phones User Guide
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Failover Mode
Make a Call
To make a call using the Line Interface Module line during an IP connection failure:
1. Lift the handset. IP FAIL: ANALOG CALL appears on the display.
2. Dial the number to make the call.
Answer a Call
To answer a call using the Line Interface Module line during an IP connection failure:
• Lift the handset. IP FAIL: ANALOG CALL appears on the display, and the call is
answered.
Emergency Calls
WARNING FOR EMERGENCY NUMBER DIALING: Consult your local authorities for
Emergency Numbers and 911 or equivalent service availability in your area. Emergency
Number dialing should only be performed by picking up the handset and selecting the Line
Interface Module key. If Privacy Mode is enabled and the Line Interface Module key local
line is busy, dialing will not occur on the Line Interface Module line. Emergency dialing
using an IP connection may not be supported due to ICP system configuration and country
location. For more information, contact your System Administrator. You can make an
Emergency Call to your Local Emergency Service using the Line Interface Module line when
the IP connection has failed.
To make an Emergency Call using the Line Interface Module line:
1. Lift the handset.
2. Press the Line Interface Module key.
3. Dial your Local Emergency Number. ANALOG CALL appears on the display.