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Audio features
• Yealink Optima HD voice
• Full-duplex hands-free speakerphone with AEC
• Codecs: G.722 (Wideband), G.711 (A/µ), G.723.1, G.729AB, G.726, GSM, iLBC
• DTMF: In-band, Out-of-band (RFC 2833) and SIP INFO
• VAD, CNG, AEC, PLC, AJB, AGC
Directory
• Contacts synchronize with client
• Show favorite contact picture
• Support local contacts
• Support Global search, Compatible with exchange
• Smart dialing
• Call history: placed/received/missed/forwarded
Signing into Skype for Business
• Sign in: PIN Authentication/User credentials
• Signing in via BToE
• Signing in via phone web interface
• Web Sign-in
• Auto root certificate fetch
BToE features
• Click to call/Click to answer
• Audio device switch from IP Phone to PC
• wireless pairing with PC client
• As a PC Audio device Phone features
• Presence status synchronize with client
• Reset presence status, Privacy mode
• Phone Lock
• Favorite contacts sorting
• Favorite contacts click to call
• Call hold, call waiting, redial, mute
• Branch office support
• Call forward, call transfer, call park
• SFB conferencing (Microsoft CCCP)
• Boss/Admin function
• Common Area Phone (CAP)
• Calendar support
• Group call pickup
• Private line ring tones
• Hotline
• Music on hold
• Paging, Dial plan
• E911, Federation, Response group, Private line
• Ring tone selection/import/delete
• Visual voicemail, Message waiting indicator (MWI)
• Volume adjustment
Interface
• Dual-port Gigabit Ethernet
• Built-in a USB port, support Bluetooth headset (Through USB Dongle)
• Power over Ethernet (IEEE 802.3af) , class 0
• 1 x RJ9 (4P4C) handset port
• 1 x RJ9 (4P4C) headset port
• 1 x RJ12 (6P6C) EXT port: Supports up to 6 expansion modules
Display and indicator
• 7" 800 x 480-pixel touch screen with backlight
• 24 bit depth color
• Modern Skype for Business interface, Full keyboard
• LED for call and message waiting indication
• Multilingual user interface
• Caller ID with name, number, picture
• Presence status control: available, busy, DND, be right back, off work, appear away
Network and security
• SIP v1 (RFC2543), v2 (RFC3261)
• LLDP-MED VLAN assignment
• IPv4/IPv6
• Proxy mode and peer-to-peer SIP link mode
• IP Assignment: Static/DHCP/PPPoE
• DNS 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)
• EWS authentication
• HTTPS certificate manager
• Digest authentication using MD5/MD5-sess
• IEEE802.1X
Management
• Configuration: browser/phone/Auto provisioning
• Yealink Redirection and Provisioning Service (RPS)
• Auto Provisioning via Activation Code
• In-band provisioning
• In-Band Configuration Management
• QoE (Monitoring Reports)
• Single identity (active directory)
• Media Bypass, Firewall Traversal
• Reset to factory, reboot
• Package tracing export, system log
• Screenshot via URL
• Phone log click to upload
• View License status
Other physical features
• External Yealink AC adapter (optional):
AC 100~240V input and DC 5V/2A Output
• Power consumption (PSU): 2.0~6.4W
• Power consumption (PoE): 2.4~10.5W
• Dimension (W*D*H*T): 266mm*226mm*185mm*54mm
• Operating humidity: 10~95%
• Storage temperature: -10~50°C
Package features
• Package content:
- Yealink T48G Skype for Business Phone
- Handset with handset cord
- Ethernet 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
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