Yealink SIP-T41S Administrator's Guide

Appendix
561
Appendix
RFC and Internet Draft Support
The following RFC’s and Internet drafts are supported:
l RFC 1321—The MD5 Message-Digest Algorithm
l RFC 1889—RTP Media control
l RFC 2112—Multipart MIME
l RFC 2327—SDP: Session Description Protocol
l RFC 2387—The MIME Multipart/Related Content-type
l RFC 2543—SIP: Session Initiation Protocol
l RFC 2617—Http Authentication: Basic and Digest access authentication
l RFC 2782—A DNS RR for specifying the location of services (DNS SRV)
l RFC 2806—URLs for Telephone Calls
l RFC 2833—RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals
l RFC 2915—The Naming Authority Pointer (NAPTR) DNS Resource Record
l RFC 2976—The SIP INFO Method
l RFC 3087—Control of Service Context using SIP Request-URI
l RFC 3261—SIP: Session Initiation Protocol (replacement for RFC 2543)
l RFC 3262—Reliability of Provisional Responses in the Session Initiation Protocol (SIP)
l RFC 3263—Session Initiation Protocol (SIP): Locating SIP Servers
l RFC 3264—An Offer/Answer Model with the Session Description Protocol (SDP)
l RFC 3265—Session Initiation Protocol (SIP) - Specific Event Notification
l RFC 3266—Support for IPv6 in Session Description Protocol (SDP)
l RFC 3310—HTTP Digest Authentication Using Authentication and Key Agreement (AKA)
l RFC 3311—The Session Initiation Protocol (SIP) UPDATE Method
l RFC 3312—Integration of Resource Management and SIP
l RFC 3313—Private SIP Extensions for Media Authorization
l RFC 3323—A Privacy Mechanism for the Session Initiation Protocol (SIP)
l RFC 3324—Requirements for Network Asserted Identity
l RFC 3325—SIP Asserted Identity
l RFC 3326—The Reason Header Field for the Session Initiation Protocol (SIP)
l RFC 3361—DHCP-for-IPv4 Option for SIP Servers
l RFC 3372—SIP for Telephones (SIP-T): Context and Architectures
l RFC 3398—ISUP to SIP Mapping
l RFC 3420—Internet Media Type message/sipfrag
l RFC 3428—Session Initiation Protocol (SIP) Extension for Instant Messaging
l RFC 3455—Private Header (P-Header) Extensions to the SIP for the 3GPP
l RFC 3486—Compressing the Session Initiation Protocol (SIP)
l RFC 3489—STUN - Simple Traversal of User Datagram Protocol (UDP) Through Network Address Translators
(NATs)
l RFC 3515—The Session Initiation Protocol (SIP) Refer Method
l RFC 3550—RTP: Transport Protocol for Real-Time Applications
l RFC 3555—MIME Type Registration of RTP Payload Formats
l RFC 3581—An Extension to the SIP for Symmetric Response Routing
l RFC 3608—SIP Extension Header Field for Service Route Discovery During Registration
l RFC 3611—RTP Control Protocol Extended Reports (RTCP XR)

Yealink SIP-T41S Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Keypad illumination	Yes
Wi-Fi	No
Networking standards	IEEE 802.3af
Ethernet LAN data rates	10, 100 Mbit/s
Ethernet LAN interface type	Fast Ethernet
Supported network protocols	SIP v1, SIP v2, LLDP/CDP/DHCP, OpenVPN, IEEE802.1X, IPv6, FTP/TFTP/HTTP/HTTPS
Volume control	Digital
Number of programmable keys	6
Lines quantity	6 lines
Phonebook capacity	1000 entries
Dual-Tone Multi-Frequency (DTMF) modes	In-band, Out-of band, SIP info
Input frequency	50/60 Hz
AC adapter input voltage	100 - 240 V
AC adapter output current	1.2 A
AC adapter output voltage	5 V
Display diagonal	2.7 \
Display resolution	192 x 64 pixels
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %
Voice codecs	CNG, G.711Mu, G.711a, G.723.1, G.726, G.729ab, VAD, iLBC
Certification	CE
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Harmonized System (HS) code	85171800

Weight and Dimensions

Depth	189 mm
Width	212 mm
Height	175 mm
Package depth	223 mm
Package width	246 mm
Package height	120 mm