| Firmware Type | XSTIM | SIP | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Model | 5006 | 5010 | 5004 | 5008 | 5010W | 5006 | 5010 | 5004 | 5008 | 5010W |
| Number of line keys | 6 | 10 | 4 | 8 | 10 | 20 | 36 | 12 | 28 | 36 |
| Number of line keys on 5046 | n/a | 20 | n/a | n/a | 20 | n/a | 40 | n/a | n/a | 40 |
| Conference button | Yes | Yes | Yes | Yes | ||||||
| Transfer button | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | ||
| Redial button | Call log | Call log | Call log | Call log | Redial | Redial | Redial | Redial | ||
| Supports 5030 wireless adapter | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | ||
| Built-in Wifi for internet | Yes | Yes | ||||||||
| Build-in Bluetooth for headset | Yes | Yes | ||||||||
| No-touch Cloud Provisioning | Supported | Not supported | ||||||||
| Programming of line keys | Line keys programmed on the UCX | Line keys programmed on the phone | ||||||||
| Volume +/- buttons when IDLE | Does nothing (Ring volume is changed via UCX feature key) | Change ring volume | ||||||||
| Audible Call Waiting | None or Beep or Ring | None or Beep | ||||||||
| BLF key LED | Not used | Configurable | ||||||||
| Wallpaper | Partially supported | Supported | ||||||||
| Local directory | Not supported | Supported | ||||||||
| Configuration .xml file | cfg0013 | cfg0010 | cfg0201 | cfg0202 | cfg0203 | cfg0013 | cfg0010 | cfg0201 | cfg0202 | cfg0203 |
| Firmware .rom file | fw5006x | fw5010x (dark) fw5010xM (light) | fw5004xM | fw5008xM | fw5010WxM | fw923 | fw926 (dark) fw920M (light) | fw500M | fw520M | fw520M |
