16 Line, Dual Gigabit, 7″ Color Touch Screen IP Phone. USB Bluetooth port, 29 DSS Keys
The SIP-T48G, designed for executive use, has a large 7 inch color touch screen providing plenty of real estate for paperless phone management functions and 3PCC applications. Gigabit LAN connectivity and Bluetooth earphones are also supported.
Yealink’s SIP-T48G is the flagship model of the companies T4 IP Phone Series. This 6 SIP Line phone features a large 800×480 pixel backlit Touch Screen color display that makes switching between different screens and applications quick and convenient. Yealink’s Optima HD technology utilizes premium grade audio componentry and the G.722 high definition voice codec for crystal clear telephone calls. The T48G has dual Gigabit Ethernet LAN ports and facilitates rapid call handling, with no network bottlenecks. A Bluetooth USB port enables support for Bluetooth earphones, with wired and wireless Headsets also supported. Perhaps most importantly, the SIP-T48G is designed for paperless operation, with the display screen supporting multi-screen use and 29 one-touch programmable DSS keys.
The new IP Phone supports impressive productivity-enhancing features too which make it the natural and obvious efficiency tool for today’s busy executives and professionals.
• Flagship model for the T4 IP Phone Series
• Yealink Optima HD voice
• Dual port Gigabit Ethernet
• Huge 7″ 800 x 480 pixel TFT touch screen color display with backlight
• Built-in a USB port to support Bluetooth headset (Through USB Dongle)
• Up to 16 SIP accounts
• Paper label free design
• PoE support
• EHS support for Headsets
• Supports EXP40 LCD Expansion Module
• Wall mountable (Optional)
• Power Adapter Optional
| Audio Features | |
| HD Optima voice: HD handset, HD speaker | |
| Codecs: G.722, G.711(A/µ), G.723, G.729AB, G.726, GSM | |
| 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, SMS, emergency call | |
| Redial, call return, auto answer | |
| Call history: dialed, received, missed, forwarded | |
| 3-way confernecing | |
| Direct IP call without SIP proxy | |
| Ring tone selection/import/delete | |
| Set date time manually or automatically | |
| Dial plan, XML Browser, action URL | |
| Directory | |
| Local phonebook up to 1000 entries | |
| BroadSoft contacts: custom, enterprise, personal, common, search, speed dial | |
| IP-PBX and BroadSoft Features | |
| Busy Lamp Field (BLF), BLF list | |
| Bridged Line Apperance(BLA)/SCA | |
| Anonymous call, Anonymous call rejection | |
| DND & forward synchronization | |
| N-Way Calling, remote office | |
| Message Waiting Indicator (MWI) | |
| BroadWorks Anywhere | |
| BroadSoft call center features | |
| Voice mail, call park, call pickup | |
| Intercom, paging, music on hold | |
| Display and Indicator | |
| 7″ 800 x 480-pixel color touch screen display with backlight | |
| 24-bit depth color | |
| Multi-screen operation | |
| Caller ID with name, number and photo | |
| Feature keys | |
| 29 DSS programmable keys for efficient paperless operation | |
| 7 features keys: message, headset, hold, mute, transfer, redial, hands-free speakerphone | |
| +/- Rocker volume control key | |
| Interface | |
| Dual-port Gigabit Ethernet | |
| Built-in a USB port, support Bluetooth headset (Through USB Dongle) | |
| 1xRJ9 (4P4C) handset port | |
| 1xRJ9 (4P4C) headset port | |
| 1XRJ12 (6P6C) EXT port: | |
| Supports up to 6 Expansion Modules for an attendant console application | |
| Power over Ethernet (IEEE 802.3af), Class 3 | |
| Other Physical Features | |
| Stand with 2 adjustable angles | |
| Wall mountable | |
| External universal AC adapter (optional): | |
| AC 100~240V input and DC 5V/2A output | |
| Management | |
| Configuration: browser/phone/auto-provision | |
| Auto provision via FTP/TFTP/HTTP/HTTPS for mass deployment | |
| Auto-provision with PnP | |
| BroadSoft device management | |
| Zero-sp-touch, TR-069, SNMP | |
| Provisioning server redundancy supported | |
| Network and Security | |
| SIP v1 (RFC2543), v2 (RFC3261) | |
| NAT transverse: 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 using MD5/MD5-sess | |
| OpenVPN, IEEE802.1X | |
| IPv6 | |
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