OpenPhone 27 Handset User Guide
Page 8
About Feature Access Codes
Use of some features requires you to dial access codes. The codes are flexible and may differ
from those used in this guide. Ask your System Administrator for a list of codes you should use.
For Users on Resilient 3300 ICP Systems
If during a call, you hear two beeps repeated every 20 seconds, it means that your phone is
switching to a secondary 3300 ICP system. The call continues, but the keys and features on your
phone stop working. The keys and most features begin working again after you hang up. Normal
operation resumes when your phone switches over to the standby or resilient system. If your
phone is idle and switched to the secondary system, you’ll see an asterisk on the display. The
asterisk remains until the OpenPhone 27 returns its connection to the primary 3300 ICP.
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