Computer · Telecommunication Networks
Choose the correct statements from the following: S1: Analog Telephone Adapter (ATA) converts digital IP voice packets to analog voice for a standard telephone. S2: A Foreign Exchange Station (FXS) interface provides dial tone, ringing voltage, and battery to the analog telephone. S3: GSM modem is an appropriate subscriber instrument for machine-to-machine SMS over cellular networks.
- 1S1 and S3 only
- 2S1, S2 and S3✓
- 3S1 and S2 only
- 4S2 and S3 only
Correct answer
S1, S2 and S3
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