- Optima HD Voice
- 7" 800 x 480-pixel backlit touch screen, modern interface
- Calendar, Skype for Business conferencing, CAP, Boss/Admin, Hot desking
- Dual-port Gigabit Ethernet, PoE support
- Support expansion modules, Bluetooth
- Supports Office 365
This premium phone is for executives and professionals who expect high phone performance and a superior Skype for Business-tailored experience.
With its 7-inch, 800x480-pixel backlit touchscreen and a modern interface, the T48S offers users simple one-click access to Skype for Business features while lowing the learning curve thanks to its familiar and friendly user interface. The SIP-T48S is also with Yealink’s Optima HD Voice technology and SILK speech codec for unparalleled audio clarity. Phone users will think they are sitting in the same room with one another. The T48S provides added flexibility for executives and professionals with its USB Bluetooth connectivity and its ability to switch calls to mobile phones. With the Yealink EXP40 Expansion Module, the phone extends up to 240 contacts.
Key Features and Benefits
Optima HD Audio
Yealink Optima HD Voice technology combines cutting-edge hardware and software with wideband technology for maximum acoustic performance. As a speech codec for real-time, packet-based voice communications, SILK, is designed to perform a higher HD audio quality which provides scalability in several dimensions and is highly scalable in terms of audio band-width, network bit rate, and complexity. And its hearing aid compatible (HAC) handset helps the person who is with hearing loss to hear the voice more clearly.
High interoperability
The T48S is fully compatible with Skype for Business and Office 365, making for a rich and capable ecosystem for executives and professionals. Simply sign in with your Skype for Business account; your presence status and contacts immediately sync with the SFB client. The T48S even lets users synchronize Outlook Calendar meeting schedules in real-time- by simply clicking to join a meeting. With an all-new USB port, the T48S boasts unparalleled functionality and expansibility with Bluetooth, Wi-Fi, USB recording and USB headset features.
A rich visual experience
Featuring a large touch panel and modern Skype for Business interface enables richer visual presentation and easier navigation of the menu. Pin your favorite contacts directly on the home screen, easily arrange them, and place a call to them with just a tap. Supporting Microsoft’s Skype for Business Server in-band provisioning and in-band configuration management enables a carefree configuration and easier-than-ever mass deployment. Automatically deploy on a variety of servers- http, https, tftp and ftp. Yealink’s T48S can even be pre-installed with Yealink’s premium software for Skype for Business prior to shipping, meaning plug-and-play for customers immediately after unboxing. Furthermore, a unified firmware and auto-p template that applies to all T4S phone models (T41S, T42S, T46S and T48S), saves even more time and costs for businesses, as well as simplifies the management and maintenance.
Audio features
• Yealink Optima HD Voice
• Full-duplex hands-free speakerphone with AEC
• Codecs: SILK, G.722, 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: User Credentials/PIN Authentication
• 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 lock with PC
Phone features
• Shared Line Appearance (SLA)
• Intercom
• Presence status synchronize with client
• Reset presence status, Privacy mode
• Phone lock
• Favorite contacts sorting
• Favorite contacts click to call
• Call hold, call waiting, call merge, redial, mute
• Branch office support
• Call forward, call transfer, call park
• SFB conferencing (Microsoft CCCP)
• Boss/Admin function
• Common Area Phone (CAP)
• Calendar support
• Ring tones, hotline, music on hold
• Private line
• Hot-desking, paging
• Dial plan, group call pickup
• E911, Multiple Emergence Number
• Federation, response group
• Visual voicemail, message waiting indicator (MWI)
• Volume adjustment
• USB port (2.0 compliant):
- Bluetooth earphone through BT40,
- Wi-Fi through WF40,
- USB headset,
- USB call recording through USB flash drive
Interface
• Dual-port Gigabit Ethernet
• Power over Ethernet (IEEE 802.3af) , class 0
• 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 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
• UnifySquare Device Managemen
Other physical features
• External Yealink AC adapter (optional):
AC 100~240V input and DC 5V/2A Output
• Power consumption (PSU): 2.2-4.9W
• Power consumption (PoE): 3.2-7.5W
• Dimension (W*D*H*T):
266mm*226mm*185mm*54mm
• Operating humidity: 10~95%
• Storage temperature: -10~50°C (+14~122°F
