ESPA444 - ESPA443 converter
Protocolconverter for ESPA 4.4.4. to ESPA 4.4.3.
This ProtocolConverter is developed to convert signals from a digital ESPA 4.4.4. to an existing PABX installation (6 wire protocol). For example a nursecall system sending calls to a classic PABX using ESPA 4.4.3.
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