+Dial Tone is a steady, low hum emitted by a [Telephone](/wiki/telephone) line, signaling its readiness for use. It serves as the network's silent invitation to dial, an audible cue preceding [Connection](/wiki/connection).
+## See also
+- [Audio Signal](/wiki/audio_signal)
+- [Telephony](/wiki/telephony)
+- [Call](/wiki/call)
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