Yealink SIP-T48G Administrator's Manual page 605

Parameters
dns_cache_naptr.X.preference
(X ranges from 1 to 12)
Description:
Configures the preference of NAPTR record X. NAPTR record with lower preference
is more preferred.
Example:
dns_cache_naptr.1.preference = 50
Web User Interface:
None
Phone User Interface:
None
dns_cache_naptr.X.replace
(X ranges from 1 to 12)
Description:
Configures a domain name to be used for the next SRV query in NAPTR record X.
Example:
dns_cache_naptr.1.replace = _sip._tcp.yealink.pbx.com
Web User Interface:
None
Phone User Interface:
None
dns_cache_naptr.X.service
(X ranges from 1 to 12)
Description:
Configures the transport protocol available for the server in NAPTR record X.
SIP+D2U: SIP over UDP
SIP+D2T: SIP over TCP
SIP+D2S: SIP over SCTP
SIPS+D2T: SIPS over TCP
Example:
dns_cache_naptr.1.service = SIP+D2T
Web User Interface:
Configuring Advanced Features
Permitted Values
Integer from 0 to 65535
Domain name
String within 32
characters
Default
0
Blank
Blank
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