
Yealink SIP-T33G 4-Line Gigabit IP Phone with Color LCD
Entry-Level VoIP Phone for Productive Office Calling
The Yealink SIP-T33G is an entry-level IP phone built for professional voice communication in small and large office environments. It supports up to 4 SIP accounts, local 5-way conferencing, Yealink HD Voice, and a 2.4 inch 320 x 240 color display with backlight for clear daily operation.
Key Benefits and Features
- Supports up to 4 SIP accounts for flexible business calling.
- Yealink HD Voice and Smart Noise Filtering help improve call clarity.
- Dual-port Gigabit Ethernet supports fast wired network connectivity.
- Integrated PoE support simplifies deployment where compatible network power is available.
- Local 5-way conferencing helps teams handle multi-party conversations.
Ideal Use Cases
- Office desks requiring a reliable entry-level VoIP phone.
- Small business and enterprise workstations using SIP-based calling.
- Reception, administration, support, and shared office phone setups.
- Deployments requiring centralized management through Yealink platforms.
Technical Specifications
- Brand: Yealink
- Model: SIP-T33G
- Product Type: Entry-level IP phone
- SIP Accounts: Up to 4
- Display: 2.4 inch 320 x 240-pixel color display with backlight
- Ethernet: Dual-port Gigabit Ethernet
- Power: Power over Ethernet IEEE 802.3af, class 1
- Audio: HD handset, HD speaker, Smart Noise Filtering
- Conferencing: Local 5-way conferencing
- Dimensions: 212 x 186 x 146 x 42 mm
Upgrade Office Calling with Yealink SIP-T33G
Choose the Yealink SIP-T33G for cost-conscious VoIP deployments that need color display navigation, Gigabit connectivity, HD audio, PoE support, and practical SIP calling features in a compact desk phone.
| Brand | Yealink |
| Model | SIP-T33G |
| SKU | SIP-T33G |
| Product Type | IP Phone |
| Series | T3 Series |
| Display | 2.4” 320 x 240-pixel color display with backlight |
| VoIP Accounts | 4 VoIP accounts |
| Ethernet | Dual-port Gigabit Ethernet |
| PoE Support | Power over Ethernet (IEEE 802.3af), class 1 |
| Conferencing | Local 5-way conferencing |
| Mounting Type | Wall mountable |
| Color | Classic Grey |
| Dimensions | 212 x 186 x 146 x 42 mm |
| Operating Temperature | -10 to +45°C (+14 to 113°F) |
| HD Voice | HD handset, HD speaker |
| Audio Technology | Smart Noise Filtering |
| Narrowband Codec | PCMU (G.711A), PCMA (G.711μ), G.723.1, G.729, G.729A, G.729B, G.729AB, G.726, iLBC |
| DTMF | In-band, Out-of-band (RFC 2833) and SIP INFO |
| Speakerphone | Full-duplex hands-free speakerphone with AEC |
| Audio Features | VAD, CNG, AEC, PLC, AJB, AGC |
| Line Keys | 4 line keys with LED |
| DSS Keys | 4 line keys can be programmed up to 12 paperless DSS keys |
| Feature Keys | Message, headset, redial, mute, hands-free speakerphone |
| Navigation Keys | 6 navigation keys |
| Directory | Local phonebook up to 1000 entries |
| Remote Phonebook | XML/LDAP remote phonebook |
| Call History | Dialed, received, missed, forwarded |
| Interface | 1 x RJ9 (4P4C) handset port, 1 x RJ9 (4P4C) headset port |
| Input Voltage | AC 100-240 V input and DC 5 V/0.6 A output |
| Power Consumption | PSU: 2-3 W, PoE: 3.5-5 W |
| Operating Humidity | 10-95% |
| Storage Temperature | -30 to +70°C (-22 to +158°F) |
| Management | Browser, phone, auto-provision |
| Auto Provision | FTP, TFTP, HTTP, HTTPS, PnP, TR-069 |
| Network Protocols | SIP v1 (RFC2543), SIP v2 (RFC3261), STUN, DHCP, HTTP, HTTPS, SNTP, UDP, TCP, DNS-SRV |
| QoS | 802.1p/Q tagging (VLAN), Layer 3 ToS DSCP |
| Security Features | SRTP, TLS 1.3, HTTPS certificate manager, AES256, digest authentication, OpenVPN, IEEE802.1X, L2TP VPN, secure boot |
| IPv6 Support | IPv6 |
| Wireless Security | WPA2/WPA3 |
| Compliance | REACH, ISO 9001 |
| Qty/CTN | 10 PCS |
| N.W/CTN | 9.56 kg |
| G.W/CTN | 10.52 kg |
| Giftbox Size | 238 × 210 × 103 mm |
| Carton Meas | 535 × 443 × 250 mm |
| Included | Yealink SIP-T33G IP phone, handset with handset cord, Ethernet Cable (1.5m CAT5E UTP Cable), stand, Quick Start Guide |