The Yealink SIP-T28 is a powerful IP phone designed for business communication. Easily configure and customize the device by downloading the Facility Manual for free from manualshive.com. This manual provides step-by-step instructions on how to optimize the phone's features and functions for optimal performance.
YEALINK NETWORK TECHNOLOGY CO.,LTD
www.yealink.com
Yealink SIP Phones’ Firmware Change Log
1
/20
Yealink SIP IP Phones Change Log of Version 61
·Firmware Version
：
From x.60.0.120 To x.61.0.80
·Applicable Models
：
SIP-T28/T26/T22/T20/T12
·Release Date
：
January 15
th
, 2012
·Mainly released for Call Center field
