Yealink SIP-T41S T41S 6 SIP 10/100 2.7” LCD Ultra-elegant IP Phone 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 unparalleled functionality and expansibility with Bluetooth, Wi-Fi and USB recording features. The Yealink’s new T4S series offers the same elegant appearance of the T4 line, but with improvements for greater interoperability and collaboration. – 2.7” 192×64-pixel graphical LCD with backlight – Opus* codec support – USB 2.0 – T4S Auto-P template unified – T4S firmware unified – Up to 6 SIP accounts – Po - E support – Paperless label design – Headset, EHS support – Integrated stand with 2 adjustable angles – Wall mountable Audio Features – HD voice: HD handset, HD speaker – Hearing aid compatible (HAC) handset – Wideband codec: Opus*, G.722 – Narrowband codec: Opus*, G.711(A/μ), G.723.1, G.729AB, G.726, i - LBC – 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 Vo - IP 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,Wi-Fi through WF40,USB call recording through USB flash drive – 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 Feature keys – 6 line keys with LED – 6 line keys can be programmed up to 15 paperless DSS keys (3-page view) – 5 features keys: message, headset, mute, redial, hands-free speakerphone – 4 context-sensitive “soft” keys – 6 navigation keys – 2 volume control keys – Illuminated mute key – Illuminated headset key – Illuminated hands-free speakerphone key 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 – 1 x RJ9 (4P4C) headset port – 1 x RJ12 (6P6C) EHS port Management – Configuration: browser/phone/auto-provision – Auto provision via FTP/TFTP/HTTP/HTTPS for mass deploy – Auto-provision with Pn - P – 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 – Qo - S: 802.1p/Q tagging (VLAN), Layer 3 To - S DSCP – SRTP for voice – Transport Layer Security (TLS) – HTTPS certificate manager – AES encryption for configuration file – Digest authentication using MD5/MD5-sess – Open - VPN, IEEE802.1X – IPv6 – LLDP/CDP/DHCP VLAN – ICE Stand With 2 adjustable angles Wall mountable Yes Power consumption (PSU): 1.25-5.1W Power consumption (Po - E): 1.72-6.73W Dimension (W*D*H*T): 212mm*189mm*175mm*54mm Operating humidity: 10~95% Operating temperature: