Specifications: Frequency response:
Narrowband: 300 Hz - 3.500 Hz
Wideband: 150 Hz - 6.800 Hz
Weight:
headband version: 50 g
ear hook version: 22 g
Earpad size: 50 mm / 1.96 inches
Charging time:
0 - 50: 20 min
0 - 100: 1 h
Standby time: up to 100 h
Range:
line of sight: 180 m
in typical office building: 55 m
Talk time
Wideband: up to 8 h
Narrowband: up to 12 h
Specifications: Technical Information
Device Supported:
IP Phone
Power Description
Input Voltage:
110 V AC
220 V AC
Input Voltage Range:
100 V AC - 240 V AC
Frequency:
50 Hz
60 Hz
Output Voltage:
48 V DC
Maximum Output Current:
917 mA
Miscellaneous
Compatibility:
Cisco Unified IP Phones:
8961
9951
9971
Specifications: Interfaces:
Telephone Interfaces Two (2) FXS ports
Network Interfaces One (1) 10/100 Mbps auto-sensing ethernet ports (RJ45)
LED Indicators POWER, INTERNET, PHONE1, PHONE2
Factory Reset Button Yes
Voice, Fax, Modem:
Telephony Features Caller ID display or block, call waiting, flash, blind or attended transfer, forward,
hold, do not disturb, 3-way conference
Voice Codecs G.711 with Annex I (PLC) and Annex II (VAD / CNG), G.723.1, G.729A/B, G.726, iLBC,
OPUS, dynamic jitter buffer, advanced line echo cancellation
Fax Over IP T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711 for Fax
Pass-through
Short / Long Haul Ring Load 2 REN: Up to 1 km on 24 AWG
Caller ID Bellcore Type 1 & 2, ETSI, BT, NTT, and DTMF-based CID
Disconnect Methods Busy Tone, Polarity Reversal / Wink, Loop Current
Signaling:
Network Protocols...
Specifications: Mono headset is suitable for use in conference with phone, portable electronics, laptop and smart device
Wired, control cable: 95 cm, HS cable: 120 cm
Comes in black color with on ear boom design
Features noise canceling technology
Interface: 4-pin USB type-A, 3.5 mm jack
Sensitivity: 93.6 dB SPL at 1 kHz (speaker), -42 to -38 dB (microphone)
Frequency: 150 Hz to 7 kHz at output S.P.L -10 dB (speaker), 100 Hz to 10 kHz at 6 dB (microphone)
Impedance: 32 +/-4.8 Ohms at 1 kHz (speaker)
Power consumption: Input 5 mW at 0.4V, max input 10 mW at 0.56V (speaker)
Earpiece type: Monaural, wideband microphone and headset bandwidth
Has an electret condenser microphone (ECM)
Features HD voice, PeakStop technology, UC plug-and-play, noise canceling microphone, HiFi sound, easy call management, Jabra software applications
Temperature...
Features: Engineered for superior wireless connectivity and crystal-clear calls, the Engage 75 convertible is for professionals who need first-class customer conversations in a lightweight headset with multiple wearing options. Weighing just 18g, the headset can be used with earhook, headband, or neckband for all-day comfort. Connects to up to 5 devices