Cisco phone, ENERGY STAR certified
Cisco WP-9821
Voice over internet protocol (voip) phone.
Configuration
Wireless
Standby power
1.17 W
Gigabit Ethernet ports
0
Frequency
IEEE 802.11a, 5 GHz, IEEE 802.11ac, 5 GHz, IEEE 802.11b, 2.4 GHz, IEEE 802.11g, 2.4 GHz, IEEE 802.11n, 2.4 GHz, Other
Of 111 certified voice over internet protocol (voip) business phones, 17 have a lower standby power than the WP-9821 (1.17 W).
- Maker
- Cisco
- Model
- WP-9821
- Type
- Voice over Internet Protocol (VoIP)
- Configuration
- Wireless
- Frequency
- IEEE 802.11a, 5 GHz, IEEE 802.11ac, 5 GHz, IEEE 802.11b, 2.4 GHz, IEEE 802.11g, 2.4 GHz, IEEE 802.11n, 2.4 GHz, Other
- Gigabit Ethernet ports
- 0
- Wireless
- Bluetooth
- Standby power
- 1.17 W
- On the market since
- Jun 2026
- ENERGY STAR certified
- 3 Jun 2026
Source: ENERGY STAR certified business phones dataset, US EPA, record 4619774, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the WP-9821
Certified business phones from other makers, same color class, within 20% of its speed.
| Model | Type | Configuration | PoE class | Standby power |
|---|---|---|---|---|
| Avaya J129 IP Phone | Voice over Internet Protocol (VoIP) | Corded | Class 1 | 1.16 W |
| Alcatel-Lucent Enterprise ALE-30h | Voice over Internet Protocol (VoIP) | Corded | - | 1.15 W |
| Alcatel-Lucent Enterprise ALE-30 | Voice over Internet Protocol (VoIP) | Corded | Class 1 | 1.23 W |
| snom, vtech D120 | Voice over Internet Protocol (VoIP) | Corded | Class 1 | 1.1 W |
| Mitel / Vtech 6903 | Voice over Internet Protocol (VoIP) | Corded | - | 1.1 W |
| VTECH CTM-S2116 | Voice over Internet Protocol (VoIP) | Cordless | Class 2 | 1.24 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 |