Yealink SIP-T19 E2 T4 Series, Administrator'S Manual

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Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series IP Phones
766
Parameters Permitted Values Default
2
-DTMF
3
-Telephone-Event
Note:
It works only if the value of the parameter “account.X.dtmf.type” is set to 2 (SIP INFO)
or 3 (R SIP INFO).
Web User Interface:
Account->Advanced->DTMF Info Type
Phone User Interface:
None
features.dtmf.repetition 1, 2 or 3 3
Description:
Configures the repetition times for the IP phone to send the end RTP Event packet during an
active call.
Web User Interface:
Features->General Information->DTMF Repetition
Phone User Interface:
None
features.dtmf.duration
Integer from 0 to
300
100
Description:
Configures the duration time (in milliseconds) for each digit when a sequence of DTMF
tones is played out automatically.
Note
: If the time interval between two DTMF digits is less than this value, two or more same
DTMF digits could be identified as one DTMF digit. This may cause the loss of one or more
DTMF digits. For example, 2662 may be identified as 262. If so, you can modify the value of
this parameter to a little lower than the default value. If you change this parameter, the IP
phone will reboot to make the change take effect.
Web User Interface:
None
Phone User Interface:
None
features.dtmf.volume
Integer from -33
to 0
-10
Description:
Configures the volume of the DTMF tone (in db).