As a result , neither company achieved much market share with large national or multi-national accounts .
Nortel developed Meridian Mail and followed the same strategy as AT&T in that Meridian Mail only worked with Northern Telecom PBXs .
Neither company achieved much market share with large national or multi-national accounts .
Nortel developed Meridian Mail and followed the same strategy as AT&T in that Meridian Mail only worked with Northern Telecom PBXs .