Business phonesENERGY STAR certified
Avaya J139
Voice over internet protocol (voip) phone.
Configuration
Corded
PoE class
Class 1
Standby power
1.55 W
Gigabit Ethernet ports
1
Of 111 certified voice over internet protocol (voip) business phones, 37 have a lower standby power than the J139 (1.55 W).
- Maker
- Avaya
- Model
- J139
- Type
- Voice over Internet Protocol (VoIP)
- Configuration
- Corded
- PoE class
- Class 1
- Gigabit Ethernet ports
- 1
- Standby power
- 1.55 W
- On the market since
- Jul 2018
- ENERGY STAR certified
- 28 Jun 2018
Source: ENERGY STAR certified business phones dataset, US EPA, record 2321956, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the J139
Certified business phones from other makers, same color class, within 20% of its speed.
| Model | Type | Configuration | PoE class | Standby power |
|---|---|---|---|---|
| Unify OpenScape Desk Phone CP410 | Voice over Internet Protocol (VoIP) | Corded | Class 2 | 1.54 W |
| Unify OpenScape Desk Phone IP 35G Eco | Voice over Internet Protocol (VoIP) | Corded | Class 1 | 1.52 W |
| SNOM D810WB | Voice over Internet Protocol (VoIP) | Corded | Class 2 | 1.58 W |
| Gigaset P810B IP PRO | Voice over Internet Protocol (VoIP) | Corded | Class 2 | 1.58 W |
| Yealink SIP-T73W,SIP-T73U | Voice over Internet Protocol (VoIP) | Corded | - | 1.58 W |
| Gigaset, CYTRACOM, snom P810B IP PRO | Voice over Internet Protocol (VoIP) | Corded | Class 2 | 1.58 W |
Avaya
More Avaya business phones
| Model | Type | Configuration | PoE class | Standby power |
|---|---|---|---|---|
| J129 IP Phone | Voice over Internet Protocol (VoIP) | Corded | Class 1 | 1.16 W |
| J159 | Voice over Internet Protocol (VoIP) | Corded | Class 1 | 2.04 W |
| J179 | Voice over Internet Protocol (VoIP) | Corded | Class 1 | 1.85 W |
| J189 IP Phone | Voice over Internet Protocol (VoIP) | Corded | Class 2 | 1.92 W |