Yealink SIP-T53 Auto Provisioning Guide

Yealink IP Phones Auto Provisioning Guide
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The default value is 5.
4. Click Confirm to accept the change.
When Zero Touch is enabled, there will be a configuration wizard during startup:
Press the OK soft key.
The network parameters are configurable via phone user interface:
Press the Next soft key after finishing network settings.
Configure the provisioning server address, authentication user name (optional) and password
(optional) in the Auto Provision screen.
An example of screenshot is shown as below:

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