Nortel Networks 1000 - page 83

Features Page 83 of 910
IP Line Description, Installation and Maintenance
Virtual Office login failure (scenario 1):
• IP Phone A logs into IP Phone C and
establishes a call with IP Phone B. All three
IP Phones are registered with the same
Call Server.
• TLAN subnet failure occurs. IP Phone A
goes offline first, then IP Phone B.
• Active IP Phones A and B reregister with
the system when the TLAN subnet comes
back up. IP Phone A reregisters first and
then IP Phone B.
The call is not lost.
The following ACF transitions occur:
NO ACF -> PARTIAL REBUILT -> IDLE ->
HALF REBUILT -> REBUILT
Virtual Office login failure (scenario 2):
• IP Phone A logs into IP Phone C and
establishes a call with IP Phone B. All three
IP Phones are registered with the same
Call Server.
• TLAN subnet failure occurs. IP Phone B
goes offline first, then IP Phone A.
• Active IP Phones A and B reregister with
the system when the TLAN comes back
up. IP Phone A reregisters first and then IP
Phone B.
The call is not lost.
The following ACF transitions occur:
NO ACF -> HALF REGISTERED -> IDLE ->
HALF REBUILT -> REBUILT
Table 13
ACF behaviors (Part 5 of 8)
Scenario Result