Yealink SIP-T41S on uusi yrityskäyttöön suunniteltu huipputyylikäs IP-puhelin kolmella VoIP-tilillä. Ergonomisessa puhelimessa on käyttäjäystävällinen käyttöliittymä sekä monipuoliset hallintaominaisuudet. Laitteessa on PoE-virransyöttötuki 2x Ethernet-porttia, liitännän kuulokemikrofonille sekä HD-tasoinen äänentoisto.

Yealink T41S puhelimeen on ladattavissa kaksi eri ohjelmistoversiota:
• Microsoft Skype for Business
• SIP

Tekniset tiedot: Audio:
• HD-äänentoisto: HD kuuloke, HD kaiutin
• Wideband codec: G.722
• Narrowband codec: G.711(A/u), G.723, G.729A/B, G.726, GSM
• DTMF: In-band, Out-of-band (RFC 2833) ja SIP INFO
• Full-duplex hands-free speakerphone with AEC
• VAD, CNG, AEC, PLC, AJB, AGC

Phone Features
• 3x VoIP-tiliä
• One-touch speed dial, redial
• Call forward, call waiting, call transfer, call hold
• Call return, group listening
• Mute, auto answer, DND
• Call history: dialed/received/missed/forwarded
• 3-way confernece call
• Direct IP call without SIP proxy
• Ring tone selection/import/delete
• Hotline, emergency call
• Set date time manually or automatically
• Dial plan, push XML, action URL

Directory:
• Local phonebook up to 1000 entries
• BroadSoft contacts: custom/enterprise/personal/common/search/speed dial
• Black list
• XML/LDAP remote phonebook
• Intelligent search method
• Phonebook search/import/export

IP-PBX and BroadSoft Features:
• Busy Lamp Field (BLF), BLF list
• Bridged Line Apperance(BLA)/SCA
• Anonymous call, anonymous call rejection
• DND & forward synchronization
• BroadWorks anywhere
• N-Way Calling, remote office
• Network call logs
• BroadSoft call center features
• Message Waiting Indicator (MWI)
• Voice mail, call park, call pickup
• Intercom, paging, music on hold
• 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 statusinformation
• Intuitive user interface with icons and soft keys
• National language selection
• Caller ID with name, number
• Stand with 2 adjustable angles
• Wall mountable
• External universal AC adapter (optional): 100…240VAC input and DC 5V/1.2A output
• Virrankulutus: 1.4W-3.9W
• Mitat (W*D*H*T): 212 x 189 x 175 x 54mm Feature keys
• 6 line keys with LED
• 6 line keys can be programmed up to 15 various features (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

Liitännät:
• 2xRJ45 10/100M Ethernet ports
• 1xRJ9 (4P4C) handset port
• 1xRJ9 (4P4C) headset port
• Power over Ethernet (IEEE 802.3af), Class 2

Hallinta:
• 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
• Provisioning server redundancy supported
• Reset to factory, Reboot
• Package tracing export, System log

Verkko ja turvallisuus:
• SIP v1 (RFC2543), v2 (RFC3261)
• NAT transverse: 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 and video
• Transport Layer Security (TLS)
• HTTPS certificate manager
• AES encryption for configuration file
• Digest authentication using MD5/MD5-sess
• OpenVPN, IEEE802.1X
• IPv6