Detailed Specifications
Yealink 1301204 - SIP-T48U Ultra-Elegant Gigabit IP Phone
Overview
This is a premium executive desk IP phone combining a large 7-inch color touch screen with high-definition voice technology. It is designed for executives and busy professionals requiring an intuitive call management interface and superior audio clarity.
The phone supports up to 16 SIP accounts with 29 one-touch DSS keys for efficient call handling and extension monitoring. It is intended for deployment in enterprise offices, executive suites, and call centers requiring Gigabit connectivity. The unit supports Power over Ethernet (PoE) 802.3af for single-cable installation. The SIP-T48U is not suitable for analog phone lines (POTS) or environments without PoE or a 5V DC power source.
Key Features
7-inch 800×480 capacitive touch screen
Yealink Optima HD Voice with Opus codec
Dual-port Gigabit Ethernet switch
Supports up to 16 SIP accounts
Expands to 180 keys with 3 EXP43 modules
Specifications
| Specification | Value |
|---|
| Brand | Yealink |
| Part Number | 1301204 |
| Product Model | SIP-T48U |
| Product Type | IP Phone |
| Lines / SIP Accounts | 16 |
| Display | 7" (17.78 cm) color LCD touch screen |
| Display Resolution | 800 x 480 pixels |
| Ethernet Ports | 2x RJ45 Gigabit Ethernet |
| USB Ports | 2x USB-A 2.0 |
| Handset Port | 1x RJ9 (4P4C) |
| Headset Port | 1x RJ9 (4P4C) / EHS |
| Power over Ethernet | IEEE 802.3af, Class 3 |
| Power Consumption (PoE) | 2.3W - 4.7W |
| Power Consumption (PSU) | 1.8W - 3.8W |
| External Power Supply | DC 5V / 2A (not included) |
| Voice Codecs | Opus, G.722, G.711, G.726, iLBC |
| HD Voice | Yealink Optima HD Voice |
| Expansion Module | Yealink EXP43 (up to 3 units) |
| DSS Keys | 29 one-touch programmable keys |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Operating Humidity | 10% - 95% non-condensing |
| Compliance | CE, FCC, RoHS, UL |
| Color | Classic Gray |
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