VTECH phone, ENERGY STAR certified
VTECH CTM-S2421
Voice over internet protocol (voip) phone.
Configuration
Cordless
PoE class
Class 2
Standby power
1.4 W
Gigabit Ethernet ports
0
Of 111 certified voice over internet protocol (voip) business phones, 29 have a lower standby power than the CTM-S2421 (1.4 W).
- Maker
- VTECH
- Model
- CTM-S2421
- Type
- Voice over Internet Protocol (VoIP)
- Configuration
- Cordless
- PoE class
- Class 2
- Gigabit Ethernet ports
- 0
- Extra handsets supported
- 0
- Standby power
- 1.4 W
- On the market since
- Dec 2014
- ENERGY STAR certified
- 6 Jan 2015
Certified under the same record
The maker lists these as the same machine or a variant of it: CTM-S2411, 1 line Base + Handset (Powered by PoE), 2 line Base + Handset (Powered by PoE).
Source: ENERGY STAR certified business phones dataset, US EPA, record 2230715, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the CTM-S2421
Certified business phones from other makers, same color class, within 20% of its speed.
| Model | Type | Configuration | PoE class | Standby power |
|---|---|---|---|---|
| Cisco DP-9841 | Voice over Internet Protocol (VoIP) | Corded | Class 2 | 1.43 W |
| Unify OpenScape Desk Phone CP210 | Voice over Internet Protocol (VoIP) | Corded | Class 2 | 1.49 W |
| Cisco CP-7811 | Voice over Internet Protocol (VoIP) | Corded | Class 1 | 1.3 W |
| Cisco CP-6851 | Voice over Internet Protocol (VoIP) | Corded | Class 2 | 1.3 W |
| Poly CCX 400 | Voice over Internet Protocol (VoIP) | Corded | Class 3 | 1.3 W |
| SNOM L130 | Voice over Internet Protocol (VoIP) | Corded | Class 2 | 1.3 W |
VTECH
More VTECH business phones
| Model | Type | Configuration | PoE class | Standby power |
|---|---|---|---|---|
| BL102 | Analog | Cordless | - | 0.7 W |
| BL102-0 | Analog | Additional Handset | - | 0.2 W |
| C5400 | Voice over Internet Protocol (VoIP) | Additional Handset | - | 0.1 W |
| CD111A | Analog | Corded | - | 0.1 W |
| CM18045 | Analog | Additional Handset | - | 0.2 W |
| CS5119 | Analog | Cordless | - | 0.7 W |
| CS5129-2 | Analog | Cordless | - | 0.7 W |
| DECT 6.0 Cordless Phone | Analog | Cordless | - | 0.87 W |