Welcome to the World Tone Database, dedicated to the A-Z of international call progress tones. From here you can research tone parameters in national tone plans and hear the tones on-line.
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| Country | Tone | Frequency/Hz | Cadence/s | Audio |
| Egypt | Busy tone | 450 | 0.5 on 0.5 off |  |
| Egypt | Congestion tone - American CO | 450 | 0.5 on 0.5 off | |
| Egypt | Congestion tone - German CO | 450 | 0.25 on 0.25 off | |
| Egypt | Dial tone - American CO | |||
| Egypt | Dial tone - German CO | |||
| Egypt | Disconnect tone - American CO | |||
| Egypt | Disconnect tone - German CO | |||
| Egypt | Intrusion tone | |||
| Egypt | Payphone recognition tone | |||
| Egypt | Ringing tone | |||
| Egypt | Ringing tone - analogue | |||
| Egypt | Ringing tone - long distance | |||
| Egypt | Ringing tone - mobile | |||
| Egypt | Special information tone | |||
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