Yealink SIP-T2 Series

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series IP Phones
720
Parameters
Permitted Values
Default
0-UDP
1-TCP
2-TLS
3-DNS-NAPTR
If the value of this parameter is set to 3 (DNS-NAPTR), the value of the parameter
“account.X.sip_server.Y.address” is set to a host name and the value of the parameter
“account.X.sip_server.Y.port” is set to 0, the IP phone will perform the DNS NAPTR and SRV
queries for the transport protocol, ports and servers.
If the value of this parameter is set to 3 (DNS-NAPTR), the value of the parameter
“account.X.sip_server.Y.address” is set to an IP address and the value of the parameter
“account.X.sip_server.Y.port” is set to an explicit port (except 0), then UDP is used.
X ranges from 1 to 16 (for SIP-T48G/T48S/T46G/T46S/T29G)
X ranges from 1 to 12 (for SIP-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)
Web User Interface:
Account->Register->SIP Server Y->Transport
Phone User Interface:
None
account.X.naptr_build
0 or 1
0
Description:
Configures the way of SRV query for the IP phone to be performed when no result is
returned from NAPTR query for account X.
0-SRV query using UDP only
1-SRV query using UDP, TCP and TLS
X ranges from 1 to 16 (for SIP-T48G/T48S/T46G/T46S/T29G)
X ranges from 1 to 12 (for SIP-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)
Web User Interface: