OpenScape Desk Phone CP405T — Graphical-display TDM Desk Phone
Mid-tier TDM desk phone for OpenScape Business and OpenScape 4000 via UP0/E digital interface, with a 3.7" 240 × 120 pixel graphical display (white LED backlight) and 16 programmable keys. Expandable with up to 2 KM400 modules.

Specifications
- Hat arayüzü / Line interface
- UP0/E (CorNet-TS, dijital)
- Ekran / Display
- 3.7" 240 × 120 piksel, monokrom grafiksel, pivotable
- Ekran arka aydınlatma / Backlight
- Beyaz LED
- Serbest programlanabilir tuş / Programmable keys
- 16 (yeşil LED, paper-inlay etiket)
- Context-sensitive softkey
- 4 (yeşil LED)
- Sabit fonksiyon tuşu / Fixed function keys
- 2 (service menu / forwarding)
- Sinyal LED / Signaling LED
- Kırmızı / yeşil / turuncu
- Navigasyon / Navigation
- 4-yön + OK
- Audio tuş / Audio keys
- Mute, hoparlör, kulaklık (LED'li); ses +/−
- Hands-free
- Full-duplex + open listening (AEC)
- Kulaklık portu / Headset jack
- DHSG/EHS
- USB
- USB Slave (1st Party CTI)
- Duvar montajı / Wall-mount
- Yok
- Genişleme modülü / Key module
- En fazla 2 × OpenScape KM400
- Boyut 20° / Dimensions 20°
- 143 × 283 × 207 mm (Y × G × D)
- Boyut 45° / Dimensions 45°
- 189 × 283 × 165 mm
- Ağırlık / Weight
- 1.13 kg
- Renk / Color
- Black
- Depolama / Storage
- −40 °C ila +70 °C
- Çalışma / Operating
- +5 °C ila +40 °C
- Uyumlu santral / Compatible PBX
- OpenScape Business V3R3+, OpenScape 4000 V10R1+
Key features
- 3.7" pivotable graphical display — 240 × 120 pixels, monochrome, white LED backlight.
- 4 context-sensitive softkeys (green LED) + 2 fixed function keys (service menu / forwarding).
- 16 freely programmable function keys with green LED, personalized via paper-inlay labels.
- Full-duplex hands-free + open listening + AEC echo cancellation.
- Professional headset jack (DHSG/EHS); USB Slave for 1st Party CTI applications.
- Signaling LED (red/green/orange) for call state.
- Expansion: up to 2 OpenScape Key Modules 400 (extra 36 paper-labeled keys).
- UP0/E digital interface + extended CorNet-TS protocol.
- Compatible with OpenScape Business V3R3+ and OpenScape 4000 V10R1+.
Typical applications
Executive and manager desks — on OpenScape 4000 without an IP fabric; team monitoring via 16 BLF keys.
Hotel TDM reception — 2 × KM400 expansion delivers 36 extra BLF keys for room and service routing.
Hospital department secretariat — green LED + paper-inlay personalization for analog/digital-heavy environments.
OpenScape 4000 V10+ refresh projects — one-to-one replacement of legacy OptiPoint/Optiset desk phones.
Administrative block mid-tier users — graphical display + CTI USB + 16 programmable keys, no IP migration required.
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DetailsMid-tier TDM desk phone for OpenScape Business and OpenScape 4000 via UP0/E digital interface, with a 3.7" 240 × 120 pixel graphical display (white LED backlight) and 16 programmable keys. Expandable with up to 2 KM400 modules.