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| IN THE BOX | |
|---|---|
| Sales Package | YEALINK SIP-T53W, 12 Line IP HD Phone | 
| General | |
|---|---|
| Brand | YEALINK | 
| Model | SIP-T53W | 
| Color | black | 
| Type | 12-Line Prime Business IP HD Phone with WiFi & Bluetooth | 
| LCD Display | 3.7" 360x160-pixel graphical LCD with backlight | 
| Screen Adjustment | Adjustable LCD screen for comfortable viewing angle | 
| Audio / Voice Features | HD handset & speaker, Hearing Aid Compatible (HAC) handset, Acoustic Shield, Smart Noise Filtering, various codecs (Opus, G.722, G.711 A/µ, G.729, G.726, G.723.1, iLBC) | 
| Lines / Accounts | Up to 12 VoIP accounts | 
| Connectivity / Interfaces | Dual-band WiFi (2.4GHz & 5GHz, 802.11a/b/g/n/ac), Bluetooth 4.2 (for headsets, contact sync), USB 2.0 port, dual-port Gigabit Ethernet, RJ9 handset & headset port | 
| Power / PoE | Supports PoE (IEEE 802.3af, Class 2) or external AC adapter (100-240V AC to 5V/1.2A DC) option | 
| Key Features & Expandability | Up to 3 expansion modules EXP50, USB recording, wireless & wired USB headsets, unified firmware with T53/T53W/T54W/T57W, wall-mountable; supports corded-cordless extension via DECT dongle | 
| Security & Management | SIP v1 & v2, TLS 1.3, SRTP, HTTPS, Certificate manager, IPv6, VLAN, QoS, auto-provisioning, zero-touch, etc. | 
| Operating Conditions | Temperature: –10 °C to +45 °C (some sources list 0-40 °C) | 
| Humidity | 10-95% non-condensing | 
| Dimension | |
|---|---|
| Dimension | 212 mm × 210.6 mm × 174.5 mm × 41.7 mm | 
| Weight | 900 g | 
| Warranty | |
|---|---|
| Warranty Type | Official Manufacturer Warranty | 
| Warranty Period | 1 year |