Band-externe-Signalgebung (NT) at German => English Of Explained:
Band-externe-Signalgebung (NT)
[bantɛkstɛrnəzignaːlgeːbuŋɛnteː]nsf
out-of-band signalling
Band-externe-Signalgebung (NT)
[bantɛkstɛrnəzignaːlgeːbuŋɛnteː]nsf
out-of-band signalling