Belltone

Door entry telephone interface

The BT1 Telephone interface offers the convenience of operating a door entry system from an existing BT style telephone without interfering with its normal usage. Most domestic tone-dialling telephones are compatible with the BT1 including cordless DECT telephones which are of great benefit to those people with limited mobility.

 

In addition to conversing with a caller at the front door panel the resident may allow them access by operating the lock release directly from their telephone.

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UK manufacturer of door entry and access control systems

UK manufacturer of door entry
and access control systems