Gai-tronics VoIP Telephone Software Configuration Guide Manual de usuario descargar pdf (Pagina 7)

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VoIP Telephone Configuration Guide Page 7 of 88

3.1 Operating Sequence.

Typical sequences of events for various model types are explained below:

Handset models (Titan, Commander)

Placing a call

• Lift handset (off hook)

• Dial tone in receiver

• Dial number - confidence tones in receiver

• Call progress tone in receiver (e.g. ring tone)

• Call is answered by remote party

• Normal voice call

• Replace handset (on hook)

• Call terminates.

Receiving a call

• Telephone rings

• Lift handset (off hook)

• Normal voice call

• Replace handset (on hook)

• Call terminates.

Hands-free models (VR, Help Point)

Placing a call

• Press button

• Dialling confidence tones heard from speaker (wake and dial)

• Call progress tone heard from speaker (e.g. ring tone)

• Call is answered by remote party

• Normal voice call

• Call terminates. (On hook)

Receiving a call

• Ringing heard from speaker

• Press any button to answer call (off hook)

• Normal voice call

• Call terminates. (On hook)

3.2 Dictionary of terms

Busy tone

A tone played to the user to indicate that a call has failed because the called party is engaged

Call progress tone

One of a number of different tones played to the user to indicate the status of a call. Dial

tone, busy tone and NU tone are all examples of call progress tones.

Confidence tones

Tones played to the user to indicate that dialling is in progress, by imitating DTMF tones used

by analog telephones.

Dial tone

A tone played to the user to indicate that the telephone is ready to dial – ie it is off hook and

waiting for a button to be pressed to initiate a call.

Dialling

Used to describe the process of initiating a call, usually by pressing a memory button or a

series of digit buttons.

DTMF

Standing for “dual tone multi-frequency”, the dialling digit tones produced by a touch-tone

phone. Commonly used for signalling in analogue systems.

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