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Model: Polycom SoundPoint IP 331
Nhà sản xuất: Polycom
Bảo hành: 12 tháng, theo tiêu chuẩn nhà sản xuất
Xuất xứ: Thái Lan
Thông tin kỹ thuật của Polycom SoundPoint IP 331
Mô tả | SoundPoint IP 331 |
Product Specifications | |
Lines (direct numbers) | • Up to 2 lines with up to 2 concurrent calls per line |
Display | • 102 x 33 pixel backlit grayscale graphical LCD |
Feature keys | • 3 context-sensitive “soft” keys • 2 line keys with bi-color (red/green) LED • 2 feature keys (“Menu” and “Dial”) • 4-way navigation key cluster with center “Select” key • 2 volume control keys • Dedicated hold key • Dedicated headset key • Dedicated hands-free speakerphone key • Dedicated microphone mute key |
Headset and hearing aid compatibility | • Compliant with ADA Section 508 Recommendations: Subpart B 1194.23 (all) • Hearing Aid Compatible (HAC) handset for magnetic coupling to approved HAC hearing aids • Compatible with commercially-available TTY adapter equipment |
Headset compatibility | • Dedicated 2.5-mm headset port compatible with most monaural mobile phone headsets |
Audio features | • Full-duplex hands-free speaker- phone with Polycom® Acoustic Clarity™ technology – Type 1 compliant with IEEE 1329 full duplex standards • Frequency response—300Hz–3300Hz for handset, headset and hands-free speakerphone modes • Codecs: G.711 μ/A and G.729A (Annex B) • Individual volume settings with visual feedback for each audio path • Voice activity detection • Comfort noise fill • DTMF tone generation/DTMF event RTP payload • Low-delay audio packet transmission • Adaptive jitter buffers • Packet loss concealment • Acoustic echo cancellation • Background noise suppression |
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