6. Using the Phone
55
6.3.4 Network Busy
If the network is busy, the phone either plays the fast busy tone (congestion tone) for your
country or the fast busy tone that is generated by the phone network at the far end. This depends
whether your server can detect if the network is busy. If it is aware the network is busy, your
phone flashes the LED on the call appearance button green and red for 250 ms each color.
The phone displays this message if the address or number you are calling does not exist or is not
available:
The phone stops the timer as soon as it receives notification that the network is busy.
The phone maintains this state until you go on hook.
6.3.5 Call Answered
When the called party answers, the phone makes the LED for the call appearance to be lit
continuously green and changes the display to:
or
The bottom row of the display shows a Quality of Service indicator (described in section 6.5.1 on
page 60) on the left and the duration of the call in hours, minutes, and seconds on the right. The
phone starts this timer from zero when it is made aware that the phone is connected. Depending
on the system and the protocol used to complete the call, the phone may believe the call is
connected but the called person has not yet answered the call.
6.3.6 Normal and Summary Display Modes
When displaying an active call, the phone displays:
• the call appearance number and the call status on the top row
• the number you called (or the SIP address of the person you called) or the name of the person
if the name exists in the phone book on the middle row
1. Network busy
4083280450
0:23
1. Connected
4083280450
™ÄÅÇÉ 00:00:45
1. Connected
Lancelot Brown
™ÄÅÇÉ 00:00:45
1. Connected
John Parkes
™ÄÅÇÉ 00:03:19
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