The MTSA control desk can be used in all analog intercom systems.

It is designed to establish direct voice connections with other intercom systems, also for hands-free messaging.

The basic version has from 8 to 32 line keys

The MTSA control desk can be expanded by attaching an additional expansion module for up to 80 keys.утём присоединения дополнительного модуля расширения до 80 клавиш.

- Direct voice connections with target key selection
- Linear keys can be programmed as talk keys
- LED indication of busy signal and caller ID
- Ability to adjust the microphone sensitivity level
- Built-in speaker, 8 ohm
- Linear buttons can be programmed as PA stations
- Indication of light diodes signals occupancy and call subscriber
- Secondary priority circuitry as standard
- Programmable loudspeaker power reduction, e.g. for night time operation
- Removable linear keys with LED illumination