Yealink SIP-T31P Administrator's Guide

Administrator’s Guide for SIP-T2 /T3 /T4 /T5 /CP920 IP Phones
311
Default
0
Parameter
dns_cache_naptr.X.replace
[2]
<y0000000000xx>.cfg
Description
It configures a domain name to be used for the next SRV query in NAPTR record X.
Permitted
Values
Domain name
Default
Blank
Parameter
dns_cache_naptr.X.service
[2]
<y0000000000xx>.cfg
Description
It configures the transport protocol available for the SIP server in NAPTR record X.
Permitted
Values
SIP+D2U-SIP over UDP
SIP+D2T-SIP over TCP
SIPS+D2T-SIPS over TLS
Default
Blank
Parameter
dns_cache_naptr.X.ttl
[2]
<y0000000000xx>.cfg
Description
It configures the time interval (in seconds) that NAPTR record X may be cached before the record
should be consulted again.
Permitted
Values
Integer from 30 to 2147483647
Default
300
Parameter
dns_cache_srv.X.name
[2]
<y0000000000xx>.cfg
Description
It configures the domain name in SRV record X.
Permitted
Values
Domain name
Default
Blank
Parameter
dns_cache_srv.X.port
[2]
<y0000000000xx>.cfg
Description
It configures the port to be used in SRV record X.
Permitted
Values
Integer from 0 to 65535
Default
0
Parameter
dns_cache_srv.X.priority
[2]
<y0000000000xx>.cfg
Description
It configures the priority for the target host in SRV record X.
Lower priority is more preferred.
Permitted
Values
Integer from 0 to 65535
Default
0
Parameter
dns_cache_srv.X.target
[2]
<y0000000000xx>.cfg
Description
It configures the domain name of the target host for an A query in SRV record X.
Permitted
Values
Domain name

Yealink SIP-T31P Specifications

General

Resolution	132 x 64 pixels
Network	10/100 Mbps Ethernet
PoE	Yes
PoE Class	Class 2
SIP Accounts	2
Wall Mountable	Yes
Local Phonebook	1000 entries
HD Voice	Yes
Display	2.3-inch graphical LCD
Voice Codecs	G.722, G.729AB, G.726, iLBC
Headset Support	Yes
Protocols Supported	SIP
Power Supply	Optional 5V/600mA power adapter