Yealink SIP-T54S Administrator's Manual page 797

Configuring Advanced Features
Parameters Permitted Values Default
dns_cache_naptr.1.service = SIP+D2T
Note: For more information, refer to RFC 2915.
Web User Interface:
None
Phone User Interface:
None
dns_cache_naptr.X.ttl
Integer from 30 to
300
2147483647
(X ranges from 1 to 12)
Description:
Configures the time interval (in seconds) that NAPTR record X may be cached before the
record should be consulted again.
Example:
dns_cache_naptr.1.ttl = 3600
Web User Interface:
None
Phone User Interface:
None
dns_cache_srv.X.name
Domain name with SRV
Blank
prefix
(X ranges from 1 to 12)
Description:
Configures the domain name in SRV record X.
Example:
dns_cache_srv.1.name = _sip._tcp.yealink.pbx.com
Web User Interface:
None
Phone User Interface:
None
dns_cache_srv.X.port
Integer from 0 to 65535 0
(X ranges from 1 to 12)
Description:
Configures the port to be used in SRV record X.
Example:
771