Yealink SIP-T21 E2 Administrator's Guide

Configuring Advanced Features
753
Parameters
Permitted Values
Default
X is equal to 1 (for SIP-T19(P) E2/CP860/CP920)
Example:
account.1.sip_server.1.address = yealink.pbx.com
Web User Interface:
Account->Register->SIP Server Y->Server Host
Phone User Interface:
None
account.X.sip_server.Y.port
(X ranges from 1 to 16, Y ranges from 1 to 2)
Integer from 0 to
65535
5060
Description:
Configures the port of the SIP server Y that specifies registrations for account X.
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)
Example:
account.1.sip_server.1.port = 5060
Note: If the value of this parameter is set to 0, the port used depends on the value specified
by the parameter “account.X.sip_server.Y.transport_type”.
Web User Interface:
Account->Register->SIP Server Y->Port
Phone User Interface:
None
account.X.sip_server.Y.expires
(X ranges from 1 to 16, Y ranges from 1 to 2)
Integer from 30
to 2147483647
3600
Description:
Configures the registration expiration time (in seconds) of the SIP server Y for account X.
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)

Yealink SIP-T21 E2 Specifications

General

Brand	Yealink
Model	SIP-T21 E2
Category	IP Phone
Language	English