| Product type | IP Phone |
| Product colour | Black |
| Handset type | Wired handset |
| Wall mountable | Yes |
| Mounting | Desk/Wall |
| Caller ID | Yes |
| Phonebook capacity | 1000 entries |
| Number of VoIP accounts | 3 |
| Touchscreen | No |
| Display | LCD |
| Display diagonal | 5.84 cm (2.3") |
| Display resolution | 132 x 64 pixels |
| Speakerphone | Yes |
| Voice codecs | G.711, G.722, G.726, G.729A, G.729B |
| Ethernet LAN | Yes |
| Wi-Fi | No |
| Bluetooth | No |
| Quality of Service (QoS) support | Yes |
| Ethernet LAN (RJ-45) ports | 2 |
| RJ-9 ports quantity | 2 |
| RJ-11 ports quantity | 1 |
| DC-in jack | Yes |
| Power over Ethernet (PoE) | Yes |
| AC adapter input voltage | 100 - 240 V |
| AC adapter output current | 0.6 A |
| Power consumption (typical) | 3.23 W |
| Battery voltage | 5 V |
| Operating temperature (T-T) | -10 - 50 °C |
| Operating relative humidity (H-H) | 10 - 95% |
| Width | 212 mm |
| Depth | 189 mm |
| Height | 175 mm |
| Package width | 620 mm |
| Package depth | 256 mm |
| Package height | 233 mm |
| Package weight | 6.4 kg |
| Number of handles included | 1 pc(s) |
| Description |
| Yealink SIP-T40P. Product type: IP Phone, Product colour: Black, Handset type: Wired handset. Phonebook capacity: 1000 entries. Display: LCD, Display diagonal: 5.84 cm (2.3"), Display resolution: 132 x 64 pixels. Voice codecs: G.711, G.722, G.726, G.729A, G.729B. AC adapter input voltage: 100 - 240 V, AC adapter output current: 0.6 A, Power consumption (typical): 3.23 W |