About the user interface/failover experience
Issue 1 May 2011 159
Malicious call trace Yes No
EC500 on/off Yes No
Transfer to voice mail Yes No
Whisper page Yes No
Recording voice call to
messaging
Yes No
Bridge line and call appearances Yes No
Extend-call Yes No
Hold recall Yes No
Transfer recall Yes No
Busy indicator Yes One-button dial - Yes
Busy indicator - No
Message waiting indicator Yes No
Feature Normal Operation with
CM
Failover Operation with a
Generic SIP Gateway