Subject: [Interfaces, interworking, OAM, protection and equipment specifications for packet-based transport networks]
Description:
[Interfaces, interworking, OAM, protection and equipment specifications for packet-based transport networks]Subject: [Interfaces, interworking, OAM, protection and equipment specifications for packet-based transport networks]
Description:
[Interfaces, interworking, OAM, protection and equipment specifications for packet-based transport networks]