Patent ID: 11929899
Assignee: AT&T INTELLECTUAL PROPERTY I, L.P.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 10:
11. A device comprising:
a processing system including a processor; and
a memory that stores executable instructions that, when executed by the processing system, facilitate performance of operations, the operations comprising:
determining that a first message was received at a first server indicating that a fault was detected in a leased network, wherein the first server is upstream of the leased network;
determining that a second message was received at a second server indicating that the fault was detected in the leased network;
determining that a third message was received at the first server;
wherein the first and second servers are in a controlled network connected with the leased network; and
isolating the fault based on the first message, the second message, and the third message, wherein the isolating the fault further comprises identifying the fault occurred in a portion of the leased network between the first server and the second server or upstream of the first server; and
wherein the first message includes one of a Line Alarm Indication Signal (LAIS) message and a Path Alarm Indication Signal (PAIS) message,
the second message includes one of the Path Alarm Indication Signal (PAIS) message and a Path Remote Detect Indication (PRDI), and
the third message includes one of the Path Alarm Indication Signal (PAIS) message, the Path Remote Detect Indication (PRDI) message and the Line Alarm Indication Signal (LAIS) message, and wherein the first server receives different messages via the first message and the third message, respectively.