Operation and Maintenance
Error description Error cause / error handling
A cordless phone is called from a different
system phone, but cannot be reached.
Busy tone obtained and display reads Busy
• Cordless phone is busy
Congestion tone obtained and display reads Circuit
overload.
• All radio channels busy
If congestion tone is obtained after 8 seconds and display
reads No answer. Reasons why the cordless phone could
not be reached:
• It is switched off
• It is not within reachable radio area
• No radio channels currently available
• It is not registered with the system
• Call diverted due to unobtainable
Cordless phone is not ringing. • Activate tone ringing
The cordless phone cannot be configured;
PIN missing (or forgotten).
• Reset PIN for user (overwrite)
6.5.2.7 Malfunctions of the DECT charging bays
Table 98: Malfunctions of the DECT charging bay
Error description Error cause / error handling
The cordless phone will not charge. • Connect power supply
• Check the charging contacts
• Check battery and replace if necessary.
About the charging process:
• Battery symbol on the cordless phone is
flashing (Office 135) or filling up (Office 160,
Mitel 600 DECT) when the battery is being
charged.
• Check tone indicates correct contact.
Release 7.1
265 System Manual for Mitel SMB Controller