Aastra 480i Administrator's Manual page 238

IP Phone Administrator Guide
Operational Features
If you enable priority alerting when using a Sylantro server, you can specify the
Bellcore tone to be used for the following configurable criteria:
Ring Tone Pattern (Sylantro Servers)
5-126
DFW Phone 972-992-4600
Call criteria
alert-acd (auto call distribution)
alert-community-1
alert-community-2
alert-community-3
alert-community-4
alert-emergency
alert-external
alert-group
alert-internal
alert-priority
Bellcore tones for each call criteria
Normal ringing (default)
Bellcore-dr2
Bellcore-dr3
Bellcore-dr4
Bellcore-dr5
Silent
41-001129-00 Rev 09, Release 1.4.1