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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

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