Yealink SIP-T31P Administrator's Guide

Phone Provisioning
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Note: If the phone performs auto provisioning when receiving a SIP NOTIFY message which contains
the header “Event: check-sync”, the phone will display the prompt message no matter whether the con-
figuration is updated.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Parameter
static.auto_provision.connect.keep_alive <y0000000000xx>.cfg
Description
It enables or disables the long connection for downloading files via auto provisioning.
Permitted
Values
0-Disabled, the phone uses the short connection for downloading files via auto provisioning
1-Enabled
Default
0
Parameter
static.auto_provision.authentication.expired_time <y0000000000xx>.cfg
Description
It configures the timeout (in seconds) after which the authentication pop-up box for auto provisioning
disappears.
Permitted
Values
0-The authentication pop-up box does not disappear from the phone screen automatically.
Integer from 10 to 86400 -The authentication pop-up box automatically disappears from the phone
screen after the designated time.
Default
7200
Parameter
static.auto_provision.dns_resolv_nosys <y0000000000xx>.cfg
Description
It enables or disables the phone to resolve the access URL of the provisioning server using download
libraries mechanism.
Permitted
Values
0-Disabled, the phone resolves the access URL of the provisioning server using the system mech-
anism.
1-Enabled
Default
1
Supported
Devices
T42G, T41P, CP920
Parameter
static.auto_provision.dns_resolv_nretry <y0000000000xx>.cfg
Description
It configures the retry times when the phone fails to resolve the access URL of the provisioning server.
Note: For each different DNS server, it works only if “static.auto_provision.dns_resolv_nosys" is set to
1 (Enabled).
Permitted
Values
Integer from 1 to 10
Default
2
Parameter
static.auto_provision.dns_resolv_timeout <y0000000000xx>.cfg
Description
It configures the timeout (in seconds) for the phone to retry to resolve the access URL of the pro-
visioning server.
Note: For each different DNS server, it works only if “static.auto_provision.dns_resolv_nosys" is set to
1 (Enabled).
Permitted
Values
Integer from 1 to 60
Default
5

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