Mitel 6800 Series, Руководство администратора

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Mitel 6800 Series SIP Phone Release 4.2.0 SP2 Administrator Guide
5-123
5.
Select a value from the "
LineN
" field
.
6.
Click
Save Settings
to save your changes.
CUSTOMIZABLE RINGING/RING BACK TIMEOUT PERIOD
Administrators can define a timeout (applicable to both incoming and outgoing calls) specifying
how long the IP phones will play the ringing and ringback tones before it terminates the call.
This is controlled by the "
ringback timeout
" configuration parameter.
For outgoing calls, the originating phone will send a SIP CANCEL to stop the ringing at the
destination phone after the timeout expires. For incoming calls, the terminating phone will send
a SIP 486 Busy Here to stop the ringback at the originating phone after the timeout expires.
CONFIGURING THE RINGING/RING BACK TIMEOUT PERIOD
Use the following procedures to configure the ringing/ring back timeout on the IP phones.
For specific parameters you can set in the configuration files for the ringing/ring back timeout
period, see Appendix A, the section,
“Ringing/Ring Back TimeOut Period Settings”
on
page A-177
.
CUSTOM RING TONES
The 6800 series IP phones support up to eight custom ring tones. Administrators (and if enabled,
users) can install ring tones on the phone using the configuration files or the Web UI. Users
Note:
See the
“Ring Tone Settings Table”
on
page 5-112
for valid values.
Notes:
1.
The "
ringback timeout
" parameter is defined as 300 seconds by default.
2.
The valid timeout range is from 0 to 86400 seconds.
CONFIGURATION FILES