Features |
Audio Features
HD voice: HD handset, HD speaker Hearing aid compatible (HAC) handset Acoustic Shield Codecs: AMR-WB (optional), AMR-NB (optional), Opus, G.722, 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
16 VoIP accounts Call hold, mute, DND One-touch speed dial, hotline Call forward, call waiting, call transfer Group listening, emergency call Redial, call return, auto answer 3-way conferencing Direct IP call without SIP proxy Ring tone selection/import/delete Set date time manually or automatically Dial plan, XML Browser, action URL/URI RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035) USB port (2.0 compliant) for: Bluetooth earphone through BT40/BT41 Contact synchronization through BT40/BT41 Wi-Fi through WF40/WF50 USB call recording through USB flash drive USB headset Expansion Module EXP43 Wireless Headset Adapter EHS40 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, Executive and Assistant Call park, call pickup Centralized call recording, call recording Visual voice mail
Display and Indicator
7" 800 x 480-pixel color touch screen with backlight 24 bit depth color LED for call and message waiting indication Wallpaper Intuitive user interface with icons and soft keys Multilingual user interface Caller ID with name, number and photo Screensaver Power saving
Feature keys
29 one-touch DSS keys 7 features keys: message, headset, hold, mute, transfer, redial, hands-free speakerphone 6 navigation keys Volume control keys Illuminated mute key Illuminated headset key Illuminated hands-free speakerphone key
Interface
Dual-port Gigabit Ethernet Power over Ethernet (IEEE 802.3af), class 3 2 x USB port (2.0 compliant) 1 x RJ9 (4P4C) handset port 1 x RJ9 (4P4C) headset port
Other Physical Features
Color: Classic Grey Wall mountable (optional) External Yealink AC adapter (optional): AC 100~240V input and DC 5V/2A output USB output currency: 5V 1A Power consumption (PSU): 1.8-3.8W Power consumption (PoE): 2.3-4.7W Dimension (W*D*H*T): 266mm*226mm*185mm*54mm Operating humidity: 10~95% Operating temperature: 0~40°C (+32~104°F)
Management
Configuration: browser/phone/auto-provision Auto provision via FTP/TFTP/HTTP/HTTPS for mass deploy Auto-provision with PnP 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 OpenVPN, IEEE802.1X IPv6 LLDP/CDP/DHCP VLAN ICE
Package Features
Package content: Yealink SIP-T48U IP phone Handset with handset cord Ethernet Cable (2m CAT5E UTP Cable) Stand Quick Start Guide Power Adapter (Optional) Wall Mount Bracket (Optional) Qty/CTN: 5 PCS N.W/CTN: 7.9 kg G.W/CTN: 8.4 kg Giftbox size: 324mm*263mm*128mm Carton Meas: 660mm*338mm*273mm |