39
- Signal tone type introduction and standard
Signal
tone
frequency
Transmission
frequency(dBm0)
Description
Dial
450±25
-10±3dBm0
Used to notify the
calling user that they
can dial
The Second
Dial
450±25
-10±3dBm0
Prompt tone during second
dialing
Ring-Back
Tone
450±25
-10±3dBm0
Indicates that the called
user is ringing
Busy Tone
450±25
-10±3dBm0
Indicates that the
connection is busy or the
called party is busy
Congestion 450±25
-10±3dBm0
Indicates that this
connection has
encountered machine line
congestion
Call
waiting
450±25
-10±3dBm0
Indicates that the phone
is in call waiting
Dial
Recall
450±25
-10±3dBm0
Indicates that the phone
is in a callback state
Info
450±25
-10±3dBm0
Beeps when receiving
special information
Stutter
450±25
-10±3dBm0
Prompt tone when
receiving voice message
Message
450±25
-10±3dBm0
Tones for receiving
messages
Auto
Answer
450±25
-10±3dBm0
Prompt tone in automatic
answering state
Stutter
Dial
450±25
-10±3dBm0
Prompt tone for voice
mail callback
Содержание SIP-T780
Страница 1: ...SIP T780 T780 P G W K User Manual Document version V 2 0 Release date 2022 5 3 ...
Страница 17: ...17 T780 IP phone stand 1 T780 Handset cord 1 Ethernet cable 1 ...
Страница 18: ...SIP T780 IP Phone User Manual 18 Power adaptor 5 5mm DC plug 5V 1A 1 Quick user manual 1 ...
Страница 28: ...SIP T780 IP Phone User Manual 28 2 Continuously press until symbol appears ...
Страница 33: ...33 Daylight saving time by date Daylight saving time by week ...
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