Gai-tronics VoIP Telephone Software Configuration Guide Manual de usuario descargar pdf (Pagina 43)

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Tone 5 - Congestion: when the call cannot connect due to network congestion

Tone 6 - Number Unobtainable: when the call cannot connect due to the endpoint not being

recognised

Tone 7 - Ring Signal: announcing an incoming call.

Tone 8 – Register Fail: When a call cannot be made due to registration failure

Tone 9 - Splash 1: Announcing an incoming PAGE call

Tone 10 - Splash 2 MRTP: Announcing an incoming multicast

Each tone can be configured by setting a tone frequency (ie the note), and the cadence (ie

the timing pattern). These are normally set to simulate exchange tones common to the

phone's location, but may be configured for any purpose, for example to give distinctive ring

tones to differentiate between phones mounted close together. A table of typical tones used

in various countries is included below, and the make up of the tones is explained as follows:

Frequency

Frequency No. Tone.

1 400 Hz

2 425 Hz

3 440 Hz

4 350 Hz + 450 Hz

5 400 Hz + 450 Hz

6 480 Hz + 620 Hz

7 20 Hz + 675 Hz

8 20 Hz + 1000 Hz

9 20 Hz + 1350Hz

10 30 Hz + 2575 Hz

11 2970Hz alternating with 3380Hz at 30Hz and maxed gains

12 220Hz

13 440Hz

Frequencies 1 to 6 are commonly used for call progress, whilst 7 to 10 are usually used for

ring signals.

For example dial tone in the UK is a compound tone of 350+450 Hz, corresponding to

frequency No.4.

Cadence

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1 2 ... 38 39 40 41 42 43 44 45 46 47 48 ... 87 88

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Gai-tronics VoIP Telephone Software Configuration Guide Manual de usuario Pagina 43