Almost any phone can be used with the TCI 01 when using it together with a mechanical handset lifter. Some telephones are equipped with an electronic hook switch interface. These interfaces are either of the standard called DHSG or AEI. The TCI 01 supports both these interfaces.

Known telephone with AEI interfaces are:

	Tenovis phone with TM13 or TH13 (software version 4 or higher) on Integral 33/ Integral 55 or BCC
	Tenovis phone with TM13, TH13 or TS13 FRE on Integral 3 or Integral 5
	Tenovis T3 comfort or T3 classic with a CTI/Audio link (AEI module)

Known telephone with DHSG interfaces are:

	Siemens Optipoint 410 standard, Optipoint 500 basic / standard / advance, Optipoint 600 office with an Optipoint acoustical adapter on Hipath 3000, Hipath 4000 or HiCom 300
	Elmeg CS410 (software version 3,32)
	Afego ST30 with HS-Module 30
	T-COM Octofon F20, F30 or F40 with "adapter universal" on T octopus system F200, F300, F400, F900.

Please notice that some systems may require a software update.