# OpenStage 15 HFA/SIP — Entry-level IP Desk Phone

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

Full-featured entry-level IP desk phone — 2-line monochrome display, 8 LED programmable keys and AudioPresence HD voice quality in an ergonomic speakerphone for office users. Available in HFA (Unify) and open SIP variants, with optional Gigabit Ethernet (15G).

## Key features

- 2-line monochrome graphic display (205 × 41 pixels, fixed 30° viewing angle, no backlight).
- 8 programmable keys (red LED) — usable as line keys or speed-dial/feature keys.
- 3 fixed function keys (red LED) + 3 navigation keys + volume +/− keys.
- Full-duplex hands-free + AudioPresence HD (G.722 HD voice, advanced noise/echo suppression).
- Codecs: G.711, G.722, G.729AB — high voice quality on both LAN and WAN.
- Integrated Ethernet switch — 15: 10/100 Base-T (PoE Class 1) or 15G: Gigabit (PoE Class 2).
- PoE 802.3af power or optional external power supply.
- Expansion via OpenStage Key Module 15 — max. 1 module (18 extra LED keys).
- Wall-mountable; ice blue or lava colors.
- HFA platforms: OpenScape Business, OpenScape 4000, HiPath 3000/4000. SIP platforms: OpenScape Voice, Asterisk.
- Layer 2 security (IEEE 802.1x), SRTP payload encryption, TLS signaling, X.509 V3 certificates.

## Specifications

- **Protocol:** HFA (Unify CorNet-IP) or SIP (RFC 3261)
- **Display:** 2 lines, 205 × 41 pixels, monochrome
- **Tiltable display:** No (fixed 30°)
- **Backlight:** No
- **Programmable keys:** 8 (red LED)
- **Fixed function keys:** 3 (red LED)
- **Navigation:** 3 navigation keys
- **Hands-free:** Full-duplex + AudioPresence HD + AEC
- **Codec:** G.711, G.722, G.729AB
- **Headset jack:** No
- **Bluetooth:** No
- **USB:** No
- **Ethernet:** 15: 10/100 Base-T  •  15G: Gigabit
- **PoE class:** 15: Class 1  •  15G: Class 2 (802.3af)
- **Power supply (PSU):** Optional (country variant)
- **Expansion:** Max. 1 × OpenStage Key Module 15 (18 keys)
- **Wall mounting:** Yes (ice blue/lava kit)
- **Dimensions (H × W × D):** 70 × 240 × 221 mm
- **Weight:** 0.783 kg
- **Color:** Ice blue or lava
- **Annual energy consumption:** 22.8 kWh (RAL-UZ 150)
- **Security:** IEEE 802.1x, SRTP, TLS, X.509 V3, HTTPS
- **Operating temperature:** +5 °C to +40 °C

## Use cases

- Manufacturing/workshop environment — simple display + 8 line keys for voice without heavy call traffic.
- Reception front desk — quick line keys + speakerphone; one-to-one replacement of legacy OptiPoint phones.
- Education facility cabin phone — classroom and lab standard usage.
- Hotel room phone (HFA mode) — basic voice, routing keys + emergency call; PoE single-cable powering.
- Logistics / warehouse staff — wall-mounted, AudioPresence HD for clear talk in noisy environments.

## For a quote and BOM

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