Alcatel-Lucent 7330 Product Information Manual page 267

The RTCP alarm is associated with a specific POTS port on the ONT. You can view
system-generated alarms at the P-OLT using TL1 or the EMS interface. An active
RTCP failure alarm is cleared at the P-OLT when either the VoIP call is terminated
or RTCP packets are detected on the bearer channel.
Alcatel-Lucent 7330/7302 ISAM FTTN R04.02.42a
3FE 54199 AAAA TCZZA Edition 01 ONT Product Information Guide
March 2011
5 — VoIP overview
5-67