# OpenStage 40 HFA/SIP — Office IP Desk Phone

URL: https://www.promark.tr/en/products/openstage-40
Category: Endpoints
Family: [OpenStage IP Family — 15 / 40 / 60 (Legacy)](https://www.promark.tr/en/products/openscape-openstage)

IP desk phone for office and call-center users with a tiltable 6-line backlit graphic display, 6 sensor-key programmable keys and a 5-way navigator. Available in HFA (Unify) and SIP variants; expandable with KM40/60 and BLF40.

## Key features

- Tiltable graphic display — 6 lines, 240 × 128 pixels, monochrome, LED backlit.
- Additional optical call alert LED (red) — flags an incoming call even when the screen is out of view.
- 6 sensor-key programmable keys — illuminated, red LED state indication.
- 8 fixed function keys (partly red LED), 5-way navigator, volume +/− keys.
- Full-duplex hands-free + AudioPresence HD (G.722 HD voice).
- Headset jack (corded/cordless, DHSG/EHS compatible).
- Integrated Ethernet switch — 40: 10/100 Base-T (PoE Class 2) or 40G: Gigabit (PoE Class 3).
- Expansion: max. 2 × KM40/60 (12-key with graphic label display) + 1 × BLF40 (90 keys, HFA only).
- Wall-mountable; ice blue or lava color.
- HFA: OpenScape Business, OS 4000, HiPath 3000/4000. SIP: OpenScape Voice, Asterisk.

## Specifications

- **Protocol:** HFA (Unify CorNet-IP) or SIP (RFC 3261)
- **Display:** Tiltable, 6 lines, 240 × 128 pixels, monochrome
- **Backlight:** LED
- **Optical call alert:** Red
- **Programmable keys:** 6 sensor keys (red LED)
- **Fixed function keys:** 8 (partly with LED)
- **Navigation:** 5-way navigator
- **Hands-free:** Full-duplex + AudioPresence HD + AEC
- **Codec:** G.711, G.722, G.729AB
- **Headset jack:** Yes
- **Bluetooth:** No
- **USB:** No
- **Ethernet:** 40: 10/100 Base-T  •  40G: Gigabit
- **PoE class:** 40: Class 2  •  40G: Class 3 (802.3af)
- **Power supply (PSU):** Optional
- **Expansion:** Max. 2 × KM40/60 + 1 × BLF40 (HFA)
- **Wall mounting:** Yes (ice blue/lava kit)
- **Dimensions (H × W × D):** 70 × 270 × 220 mm
- **Weight:** 1.068 kg
- **Color:** Ice blue or lava
- **Annual energy consumption:** 25.3 kWh (RAL-UZ 150)
- **Security:** IEEE 802.1x, SRTP, TLS, X.509 V3, HTTPS
- **Operating temperature:** +5 °C to +40 °C

## Use cases

- Open office / team workspace — multi-line operation via 6 programmable line keys.
- Tier-2 call center agent desk — KM40/60 expansion + headset jack for heavy call handling.
- Executive assistant — BLF40 to monitor executive staff presence (HFA).
- Hospital department secretariat — tilt display flexibility on the desk; analog/IP hybrid infrastructure.
- Bank branch — secure communication with certificates and TLS signaling, KM40 for in-branch BLF.

## For a quote and BOM

https://www.promark.tr/en/contact · +90 312 544 0915 · destek@promark.tr