| Official specification 1 | SIP-T33P |
| SIP accounts | Entry-level IP Phone with 4 Lines & Color LCD |
| Display | An entry-level color screen IP phone with high performance, Y ealink SIP-T33P offers support for 4 lines and includes local 5-way |
| Display 2 | conferencing. For its fashionable appearance as well as an extra-large 320x240-pixel color display with backlight, it brings comfortable |
| Power | operation experience and clear visual experience for users. Designed with a new powerful chip, it helps greatly improved work efficiency. |
| Power over Ethernet | Additional features include the dual 10/100 Mbps network ports with integrated PoE , EHS35 support for Y ealink wireless headset and |
| Installation | adjustable multi-angle stand support. These features allow the SIP-T33P to be a high-quality but cost-effective classic IP phone that |
| Audio | Y ealink HD Voice |
| Display 3 | 2.4” 320 x 240-pixel color display with back- |
| Ethernet | Two-port 10/100M Ethernet Switch |
| Power over Ethernet 2 | PoE support |
| SIP accounts 2 | Up to 4 SIP accounts |
| Official specification 13 | Local 5-way conferencing |
| Official specification 14 | Support EHS Wireless Headset |
| Installation 2 | Stand with 2 adjustable angles |
| Installation 3 | Wall mountable |
| Display 4 | Firmware Color Screen |
| Power 2 | Equipped with powerful chip, the T3 series owns a stronger computing ability and |
| Official specification 19 | experience. Due to great performance, T3 series is capable to extend more services for |
| Audio 2 | Superior HD Audio, Better Communication |
| Official specification 21 | The Y ealink T3 series provides distraction-free communications with industry leading |
| Official specification 22 | Designed by Y ealink original team, T3 series inherits the design concept of Y ealink IP |
| Official specification 23 | the unified firmware, T3 series is simple to deploy and manage, which allows a |
| Official specification 24 | HD 5-way |
| Audio 3 | Audio Features |
| HD voice | HD handset, HD speaker |
| Narrowband codec | PCMU (G.711A), PCMA |
| Official specification 28 | (G.711μ), G.723.1, G.729, G.729A, G.729B, |
| Official specification 29 | G.729AB, G.726, iLBC |
| DTMF | In-band, Out-of-band (RFC 2833) and SIP |
| Official specification 31 | 4 VoIP accounts |
| Official specification 33 | Direct IP call without SIP proxy |