Cisco phone, ENERGY STAR certified
Cisco DP-9811
Voice over internet protocol (voip) phone.
Configuration
Corded
PoE class
Class 2
Standby power
2.45 W
Gigabit Ethernet ports
0
Of 111 certified voice over internet protocol (voip) business phones, 84 have a lower standby power than the DP-9811 (2.45 W).
- Maker
- Cisco
- Model
- DP-9811
- Type
- Voice over Internet Protocol (VoIP)
- Configuration
- Corded
- PoE class
- Class 2
- Gigabit Ethernet ports
- 0
- Standby power
- 2.45 W
- On the market since
- Dec 2025
- ENERGY STAR certified
- 2 Dec 2025
Source: ENERGY STAR certified business phones dataset, US EPA, record 4519465, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the DP-9811
Certified business phones from other makers, same color class, within 20% of its speed.
| Model | Type | Configuration | PoE class | Standby power |
|---|---|---|---|---|
| VTECH CTM-S2415W, CTM-S2415 | Voice over Internet Protocol (VoIP) | Cordless | Class 2 | 2.45 W |
| Yealink SIP-T85W | Voice over Internet Protocol (VoIP) | Corded | Class 2 | 2.48 W |
| SNOM D812 | Voice over Internet Protocol (VoIP) | Corded | Class 3 | 2.4 W |
| SNOM D815 | Voice over Internet Protocol (VoIP) | Corded | Class 3 | 2.4 W |
| SNOM D815WB | Voice over Internet Protocol (VoIP) | Corded | Class 3 | 2.5 W |
| POLY EDGE E320 | Voice over Internet Protocol (VoIP) | Corded | Other | 2.54 W |
Cisco
More Cisco business phones
| Model | Type | Configuration | PoE class | Standby power |
|---|---|---|---|---|
| 8861 | Voice over Internet Protocol (VoIP) | Corded | Class 4 | 3.5 W |
| CP-6821 | Voice over Internet Protocol (VoIP) | Corded | - | 1.9 W |
| CP-6841 | Voice over Internet Protocol (VoIP) | Corded | - | 1.2 W |
| CP-6851 | Voice over Internet Protocol (VoIP) | Corded | Class 2 | 1.3 W |
| CP-6861 | Voice over Internet Protocol (VoIP) | Corded | - | 1.27 W |
| CP-6871 | Voice over Internet Protocol (VoIP) | Corded | Class 3 | 1.28 W |
| CP-7811 | Voice over Internet Protocol (VoIP) | Corded | Class 1 | 1.3 W |
| CP-7832 | Voice over Internet Protocol (VoIP) | Conference | Class 2 | 1.7 W |