Orckit-Corrigent is offering complete end-to-end Packet Transport Network (PTN) solutions for SDH migration to MPLS / MPLS-TP networks and Carrier Ethernet applications like enterprises VPN connectivity, residential triple-play and mobile backhauling. 
 
TDM migration and the path towards unified Packet Transport Networks
Tips and best practices for how to migrate smoothly from a TDM to a unified MPLS / MPLS-TP PTN
   
Optimal Solution For SDH Migration

Enterprise VPN services
E-Line, E-Tree, E-LAN connectivity services
 
Residential triple play services
Voice (VoIP), video (IPTV, VoD) and data broadband services
 
PTN based mobile