Yealink SIP-T21 E2

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
894
Parameters
Permitted Values
Default
X ranges from 1 to 16 (for SIP-T54S/T48G/T48S/T46G/T46S/T29G)
X ranges from 1 to 12 (for SIP-T52S/T42G/T42S)
X ranges from 1 to 6 (for SIP-T41P/T41S/T27P/T27G)
X ranges from 1 to 3 (for SIP-T40P/T40G/T23P/T23G)
X ranges from 1 to 2 (for SIP-T21(P) E2)
X is equal to 1 (for SIP-T19(P) E2/CP860/CP920)
Note: It works only if the value of the parameter “account.X.dtmf.type” is set to 1 (RFC2833)
or 3 (RFC2833 + SIP INFO).
Web User Interface:
Account->Advanced->DTMF Payload Type(96~127)
Phone User Interface:
None
account.X.dtmf.info_type
1, 2 or 3
1
Description:
Configures the DTMF info type.
1-DTMF-Relay
2-DTMF
3-Telephone-Event
X ranges from 1 to 16 (for SIP-T54S/T48G/T48S/T46G/T46S/T29G)
X ranges from 1 to 12 (for SIP-T52S/T42G/T42S)
X ranges from 1 to 6 (for SIP-T41P/T41S/T27P/T27G)
X ranges from 1 to 3 (for SIP-T40P/T40G/T23P/T23G)
X ranges from 1 to 2 (for SIP-T21(P) E2)
X is equal to 1 (for SIP-T19(P) E2/CP860/CP920)
Note: It works only if the value of the parameter “account.X.dtmf.type” is set to 2 (SIP INFO)
or 3 (RFC2833 + 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