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Sennheiser Communications
 SupportHome » Support » FAQs » BW 900 
BW 900 - Setup with a phone
How can I set up the BW 900 system with eg. telephone?

The BW 900 system can be set up to most phones in the market, either directly to the phones or through a Telephone Controlling Interface box (TCI), which is an optional accessory to the BW 900 system.

Installations using direct connection to phones:
There are three options for operation when using the BW 900 system directly with telephones:

  1. By using the system as it is configured from the factory - please refer to the instruction manual for installation and use.
  2. By using the system with the Voicelink Automatic function (audio detection of the received signal from the telephone)
  3. By using the BW 900 system, always having an open audio connection to the phone.

Installations using the TCI 01 as a connection to the phone:
There is one option when using the BW 900 system together with a TCI 01:

  1. By using the system as it is configured from the factory - please refer to the instruction manual for installation and use.