Mexico’s former monopoly fixed line provider Teléfonos de México (Telmex) has selected Ciena to deploy its CoreStream Agility optical transmission system and FlexSelect platform to upgrade the operator’s nationwide long-distance network. FlexSelect provides a standards-based network architecture that enables automated delivery and management of a mix of services including SONET/SDH, OTN, Ethernet, storage and video. The all optical CoreStream Agility system is capable of routing wavelengths up to speeds of 40Gbps for long-haul and ultra long-haul network routes.