Yealink SIP-T53 Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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<resource uri="sip:4605@pbx.yealink.com">
<name > 4607 Yealink</name>
<instance id="pXHQ97tPyQ" state="active" cid="tYzwJM@broadworks"/>
</resource>
</list>
Topic
BLF/BLF List Subscription Configuration
BLF/BLF List Subscription Configuration
The following table lists the parameters you can use to configure BLF/BLF List subscription.
Parameter
account.X.blf.subscribe_period
[1]
<MAC>.cfg
Description
It configures the period (in seconds) of the BLF subscription.
Permitted
Values
Integer from 30 to 2147483647
Default
1800
Supported
Devices
All phones except T19(P) E2 and CP920
Web UI
Account > Advanced > Subscription Period (Seconds)
Parameter
account.X.blf.subscribe_event
[1]
<MAC>.cfg
Description
It configures the event of the BLF subscription.
Permitted
Values
0-dialog
1-presence
Default
0
Supported
Devices
All phones except T19(P) E2 and CP920
Parameter
account.X.out_dialog_blf_enable
[1]
<MAC>.cfg
Description
It enables or disables the phone to handle NOTIFY messages out of the BLF dialog.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Supported
Devices
All phones except T19(P) E2 and CP920
Web UI
Account > Advanced > Out Dialog BLF
Parameter
account.X.blf.match_host.enable
[1]
<MAC>.cfg
Description
It enables or disables host match feature for BLF/BLF list feature.
Permitted
Values
0-Disabled
1-Enabled, the phone can only recognize the NOTIFY message whose host field is the same as the
one in the SUBSCRIBE message.

Yealink SIP-T53 Specifications

General

Network	Dual-port Gigabit Ethernet
SIP Accounts	12
Lines	12
Stand Included	Yes
PoE	Yes (IEEE 802.3af)
USB Port	1 x USB 2.0
Headset Support	RJ9 and USB
Audio Features	HD Voice
Expansion Module Support	Yes, up to 3
Voice Codecs	G.722, G.711
Network Features	IPv4/IPv6, VLAN, QoS
Local Phonebook	1000 entries
Mounting	Desk mount, Wall mount
Power Supply	Optional
Weight	1.1 kg
Resolution	360 x 160