Yealink SIP-T21 E2

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
896
Parameters
Permitted Values
Default
Phone User Interface:
None
To configure the method of transmitting DTMF digits via web user interface:
1. Click on Account->Advanced.
2. Select the desired account from the pull-down list of Account.
3. Select the desired value from the pull-down list of DTMF Type.
If SIP INFO or RFC2833 + SIP INFO is selected, select the desired value from the pull-
down list of DTMF Info Type.
4. Enter the desired value in the DTMF Payload Type(96~127) field.
5. Click Confirm to accept the change.
To configure the number of times to send the end RTP Event packet via web user
interface:
1. Click on Features->General Information.
2. Select the desired value (1-3) from the pull-down list of DTMF Repetition.