Cisco phone, ENERGY STAR certified
Cisco DP-9851
Voice over internet protocol (voip) phone, model number DP-9851NR.
Configuration
Corded
PoE class
Class 3
Standby power
1.99 W
Gigabit Ethernet ports
2
Of 111 certified voice over internet protocol (voip) business phones, 64 have a lower standby power than the DP-9851 (1.99 W).
ENERGY STAR has certified this model 2 times, first in Jan 2026. The figures here are from the most recent certification.
- Maker
- Cisco
- Model
- DP-9851
- Model number
- DP-9851NR
- Type
- Voice over Internet Protocol (VoIP)
- Configuration
- Corded
- PoE class
- Class 3
- Gigabit Ethernet ports
- 2
- Standby power
- 1.99 W
- On the market since
- Apr 2024
- ENERGY STAR certified
- 6 Jan 2026
Source: ENERGY STAR certified business phones dataset, US EPA, record 4520177, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the DP-9851
Certified business phones from other makers, same color class, within 20% of its speed.
| Model | Type | Configuration | PoE class | Standby power |
|---|---|---|---|---|
| Poly VVX 450 | Voice over Internet Protocol (VoIP) | Corded | Other | 2 W |
| Alcatel-Lucent Enterprise ALE-500 | Voice over Internet Protocol (VoIP) | Corded | Class 1 | 2.04 W |
| Avaya J159 | Voice over Internet Protocol (VoIP) | Corded | Class 1 | 2.04 W |
| HP Poly Edge V200 | Voice over Internet Protocol (VoIP) | Corded | Class 3 | 1.94 W |
| HP Poly Edge V250 | Voice over Internet Protocol (VoIP) | Corded | Class 3 | 1.94 W |
| HP Poly Edge V650 | Voice over Internet Protocol (VoIP) | Corded | Class 3 | 1.94 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 |