| Model |
Panasonic KX-TGP550 |
| Type |
SIP Cordless IP Phone |
| Max Lines |
Up to 8 SIP Accounts (Lines) |
| Display |
1.8-inch Color LCD Display (160 x 120 pixels) |
| Screen |
Backlit (supports easy viewing in different lighting conditions) |
| Speakerphone |
Full-duplex Speakerphone |
| Handset |
Cordless Handset (supports DECT 6.0 technology) |
| DECT Technology |
Yes, DECT 6.0 (Digital Enhanced Cordless Telecommunications) |
| Keypad |
12-key Dial Pad with Soft Keys and Function Keys |
| Caller ID |
Yes (supports Caller ID with SIP account and line-based Caller ID) |
| Message Waiting Indicator (MWI) |
Yes (for voicemail) |
| Battery |
Rechargeable Lithium-Ion Battery |
| Talk Time |
Up to 14 hours |
| Standby Time |
Up to 200 hours |
| Ringtones |
Multiple Ringtone Options (Polyphonic tones) |
| SIP Accounts |
Supports up to 8 SIP accounts for simultaneous calls |
| Networking |
Ethernet (10/100 Mbps) |
| Wi-Fi |
Yes (supports wireless LAN, 802.11b/g/n) |
| PoE (Power over Ethernet) |
Yes, PoE supported for easy installation (Power supply also included) |
| Intercom |
Yes, supports intercom between multiple handsets |
| Call Features |
Call Forwarding, Call Transfer, Call Hold, Mute, Do Not Disturb |
| Call Waiting |
Yes (supports call waiting feature) |
| Phonebook |
Local phonebook storage for up to 500 contacts |
| Voicemail |
Voicemail support (via SIP server integration) |
| Wireless Range |
Up to 50 meters (indoor) / 300 meters (outdoor) with the base unit |
| Bluetooth |
Yes (supports Bluetooth headset compatibility) |
| Compatibility |
Compatible with most SIP-compatible VoIP systems, including Asterisk, BroadSoft, and others |
| Headset Port |
Yes, 2.5mm headset jack |
| Dimensions (Handset) |
153mm x 48mm x 25mm (approx.) |
| Weight (Handset) |
Approx. 140g (with battery) |
| Base Unit Dimensions |
120mm x 125mm x 40mm (approx.) |
| Weight (Base Unit) |
Approx. 190g |
| Power Supply |
5V DC (Power Adapter Included) |
| Security |
SIP Security (TLS, SRTP), Password-protected Configuration |