Description The SIP-T41S is a feature-rich business tool for superior communications and extended functionality. It offers a faster, more-responsive interface than the T41P and several performance-enhancing functions. It’s a six-line IP phone that comes with built-in programmable keys to enhance productivity. The SIP-T41S with Yealink Optima HD Voice technology and wideband codec of Opus delivers superb audio quality and crystal clear voice communications. With an all-new USB port, the SIP-T41S boasts unpar Specification: Audio Features HD voice: HD handset, HD speaker Hearing aid compatible (HAC) handset Wideband codec: Opus, G.722 Narrowband codec: G.711(A/μ),G.723.1, G.729AB, G.726, iLBC DTMF: In-band, Out-of-band(RFC 2833) and SIP INFO Full-duplex hands-free speakerphone with AEC VAD, CNG, AEC, PLC, AJB, AGC Phone Features 6 VoIP accounts One-touch speed dial, redial Call forward, call waiting Call transfer, call hold Call return, group listening Mute, auto answer, DND 3-way conference call Direct IP call without SIP proxy Ring tone selection/import/delete Hotline, emergency call Set date time manually or automatically Dial Plan, XML Browser, Action URL/URI RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035) USB port (2.0 compliant) Bluetooth earphone through BT40 (pending), Wi-Fi through WF40 (pending), USB call recording through USB flash drive (pending) Enhanced DSS key Directory Local phonebook up to 1000 entries Black list XML/LDAP remote phonebook Smart dialing Phonebook search/import/export Call history: dialed/received/missed forwarded IP-PBX Features Busy Lamp Field (BLF) Bridged Line Apperance (BLA) Anonymous call, anonymous call rejection Hot-desking, voice mail Flexible seating Call park, call pickup Executive and Assistant Centralized call recording Visual voice mail Call recording Display and Indicator 2.7” 192×64-pixel graphical LCD with backlight LED for call and message waiting indication Dual-color (red or green) illuminated LEDs for line status information Intuitive user interface with icons and soft keys Multilingual user interface Caller ID with name and number Power saving Interface 2 x RJ45 10/100M Ethernet ports Power over Ethernet (IEEE 802.3af), Class 2 1 x USB port (2.0 compliant) 1 x RJ9 (4P4C) handset port Physical Features Stand with 2 adjustable angles Wall mountable External Yealink AC adapter (optional): AC 100~240V input and DC 5V/1.2A output Power consumption (PSU): 1.25-5.1W Power consumption (PoE): 1.72-6.73W Dimension (W*D*H*T): 212mm*189mm*175mm*54mm Operating humidity: 10~95% Operating temperature: -10~50°C Management Configuration: browser/phone/auto provision Auto provision via FTP/TFTP/HTTP/HTTPS for mass deploy Auto-provision with PnP Broadsoft device management Zero-sp-touch TR-069 Phone lock for personal privacy protection Reset to factory, reboot Package tracing export, system log Network and Security SIP v1 (RFC2543), v2 (RFC3261) Call server redundancy supported NAT traversal: STUN mode Proxy mode and peer-to-peer SIP link mode IP assignment: static/DHCP HTTP/HTTPS web server Time and date synchronization using SNTP UDP/TCP/DNS-SRV(RFC 3263) QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS DSCP SRTP for voice Transport Layer Security (TLS) HTTPS certificate manager AES encryption for configuration file Digest authentication using MD5/MD5-sess OpenVPN, IEEE802.1X IPv6 LLDP/CDP/DHCP VLAN ICE
