| TEST |
Specification Reference |
| 1. DC Voltage Test |
DC Characteristics - TBR 21 (4.7.1) |
| 2. DTMF Signalling Test |
DTMF Signalling - TBR 21 (4.8.2) |
| 3. Transmit Muting Test |
Suppression of Unassociated Signals
EN 301 437 (4.8.2.3, Note 2) |
| 4. DTMF Button 5 Distortion Test |
DTMF Unwanted Frequency Component - TBR 21
(4.8.2.3) |
| 5. On Hook AC Impedance Test |
Input Impedance in Quiescent State - EN 300 001
(4.1.1) |
| 6. Ringer and DC Leakage Test |
DC Resistance in Quiescent state - TBR 21
(4.4.1)
Ringing Signal Detector Sensitivity - TBR 21 (4.5) |
| 7. Pulse Signalling Test |
Loop Disconnect (LD) Signalling - ES 201 187,
4.2 |
| 8. Impedance |
Impedance - TBR 21 (4.7.2) |
| 9. Return Loss Test |
Echo Return Loss - TBR 38 (4.2.8) |
| 10. Receive Level limitations Test |
MSL Recommended Test |
| 11. Receive Acoustic Distortion Test |
Receiving Distortion - TBR 38 (4.2.4.2) |
| 12. Transmit Acoustic Distortion Test |
Sending Distortion - TBR 38 (4.2.4.1) |
| 13. Acoustic Response and Loudness Test |
Speech Performance Characteristics - TBR 38
(4.2.1, 4.2.2), Sidetone Characteristics TBR 38 (4.2.3) |
| 14. Flash test |
Register Recall - EN 300 001 |