Yealink SIP-T21 E2

Setting Up Your System
117
Web User Interface
Configure NAT Rport feature on a per-
line basis.
Navigate to:
http://<phoneIPAddress>/servlet?p=a
ccount-adv&q=load&acc=0
Details of Configuration Parameter:
Parameter
Permitted Values
Default
account.X.nat.rport
0, 1 or 2
0
Description:
Enables or disables NAT Rport feature for account X.
0-Disabled
1-Enabled
2-Enable Direct Process
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)
Web User Interface:
Account->Advanced->RPort
Phone User Interface:
None
To configure Rport feature via web user interface:
1. Click on Account->Advanced.
2. Select the desired account from the pull-down list of Account.