The Mitel 600 Series DECT Phone User Guide provides installation, operation and feature instructions for the 612d, 622d, 632d and 650c models.
The Mitel 600 Series DECT phones are SIP‑DECT handsets that work with Mitel base stations and the OpenMobility Manager system. They support standard DECT/GAP as well as CAT‑iq broadband audio for high‑quality voice calls.
The guide covers safety notices, battery handling, mounting, headset and Bluetooth connections, menu navigation, call handling, alarm and timer functions, and detailed technical specifications such as channel count, frequency range, power output, battery capacity and dimensions.
| Number of channels | 60 duplex (USA/Canada), 120 duplex (other countries) |
|---|---|
| Frequency range | 1920‑1930 MHz (USA/Canada), 1880‑1900 MHz (other) |
| Output power per channel | 5 mW (USA/Canada), 10 mW (other) |
| Battery capacity | Li‑Ion 3.7 V, 850 mAh (880 mAh) / 3.15 Wh (3.3 Wh) |
| Standby / talk time | Up to 95 h standby / 15 h talk (USA/Canada), 100 h standby / 12 h talk (other) |
| Handset dimensions | 5.31 × 1.93 × 0.89 in (610d/612d/620d/622d), 5.72 × 1.93 × 0.89 in (650c) |
The phone uses 60 duplex channels in the USA and Canada and 120 duplex channels in other countries.
The standard battery provides up to 95 hours standby and 15 hours talk time in the USA/Canada, and up to 100 hours standby and 12 hours talk time elsewhere.
Yes, models such as the 622d, 632d and 650c support Bluetooth headset connections.