Yealink SIP-T52S Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
1054
 RFC 3313—Private SIP Extensions for Media Authorization
 RFC 3323—A Privacy Mechanism for the Session Initiation Protocol (SIP)
 RFC 3324—Requirements for Network Asserted Identity
 RFC 3325—SIP Asserted Identity
 RFC 3326—The Reason Header Field for the Session Initiation Protocol (SIP)
 RFC 3361—DHCP-for-IPv4 Option for SIP Servers
 RFC 3372—SIP for Telephones (SIP-T): Context and Architectures
 RFC 3398—ISUP to SIP Mapping
 RFC 3420—Internet Media Type message/sipfrag
 RFC 3428—Session Initiation Protocol (SIP) Extension for Instant Messaging
 RFC 3455—Private Header (P-Header) Extensions to the SIP for the 3GPP
 RFC 3486—Compressing the Session Initiation Protocol (SIP)
 RFC 3489—STUN - Simple Traversal of User Datagram Protocol (UDP) Through Network
Address Translators (NATs)
 RFC 3515—The Session Initiation Protocol (SIP) Refer Method
 RFC 3550—RTP: Transport Protocol for Real-Time Applications
 RFC 3555—MIME Type Registration of RTP Payload Formats
 RFC 3581—An Extension to the SIP for Symmetric Response Routing
 RFC 3608—SIP Extension Header Field for Service Route Discovery During Registration
 RFC 3611—RTP Control Protocol Extended Reports (RTCP XR)
 RFC 3665—Session Initiation Protocol (SIP) Basic Call Flow Examples
 RFC 3666—SIP Public Switched Telephone Network (PSTN) Call Flows.
 RFC 3680—SIP Event Package for Registrations
 RFC 3702—Authentication, Authorization, and Accounting Requirements for the SIP
 RFC 3711—The Secure Real-time Transport Protocol (SRTP)
 RFC 3725—Best Current Practices for Third Party Call Control (3pcc) in the Session
Initiation Protocol (SIP)
 RFC 3842—A Message Summary and Message Waiting Indication Event Package for the
Session Initiation Protocol (SIP)
 RFC 3856—A Presence Event Package for Session Initiation Protocol (SIP)
 RFC 3863—Presence Information Data Format
 RFC 3890—A Transport Independent Bandwidth Modifier for the SDP
 RFC 3891—The Session Initiation Protocol (SIP) “Replaces” Header
 RFC 3892—The Session Initiation Protocol (SIP) Referred-By Mechanism
 RFC 3959—The Early Session Disposition Type for SIP
 RFC 3960—Early Media and Ringing Tone Generation in SIP
 RFC 3966—The tel URI for telephone number
 RFC 3968—IANA Registry for SIP Header Field

Yealink SIP-T52S Specifications

General

Touchscreen	-
Display diagonal	2.8 \
Backlight display	Yes
Display resolution	320 x 240 pixels
Lines quantity	16 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	12
AC adapter input voltage	100 - 240 V
Bluetooth version	2.1+EDR
Security algorithms	802.1x RADIUS, HTTPS, MD5
Ethernet LAN interface type	Gigabit Ethernet
USB 2.0 ports quantity	1
Ethernet LAN (RJ-45) ports	2
Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Voice codecs	G.722, G.723, G.723.1, G.726, OPUS, iLBC
Volume control	Digital
Operating temperature (T-T)	-10 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Front camera	No
Operating system installed	Linux

Weight and Dimensions

Depth	212 mm
Width	211.6 mm
Height	166.8 mm