Digital Hybrid System, the BT Meridian Option 11 system is a 4 wire digital PABX with up to 3 cabinets giving 560 ports. Telephone model sets are pre-programmed telephone configurations, when a model is chosen for a telephone a complete set of features and key assignments are automatically downloaded to the telephone.

Handsets

The BT Meridian 11 Option Systems have several types of handsets. The M2000 telephones are earlier versions. The latest range of handsets available are the M3000 telephones.