Descrição
Resources
1. Datasheet
Features
> HD voice: HD handset, HD speaker
> Hearing aid compatible (HAC) handset
> 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, Contact synchronization 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
> 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 > 1 x USB port (2.0 compliant)
> 1 x RJ9 (4P4C) handset port
> 1 x RJ9 (4P4C) headset port
> 1 x RJ12 (6P6C) EXT port:
Supports up to 6 Expansion console application
> Dimension (W*D*H*T): 266mm*226mm*185mm*54mm
> Operating humidity: 10~95%
> Operating temperature: -10~50°C (+14~122°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/PPPoE
> 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-T48S IP phone
– Handset with handset cord
– Ethernet Cable (2m CAT5E FTP Cable) – Stand
– Quick Start Guide
– Power Adapter (Optional)
– Wall Mount Bracket (Optional)
> Qty/CTN: 5 PCS
> N.W/CTN: 8.2 kg
> G.W/CTN: 9.0 kg
> Giftbox size: 324mm*263mm*128mm > Carton Meas: 660mm*338mm*273mm

