| Display | Black and White LCD, with backlight |
| 128x64 |
| Language | English |
| Line Qty | Support 2 line and 2 account |
| Function Button | Navigation key, OK key, volume keys (reuse up and down navigation keys), delete button, hands free button, message key, Mute key (with indicator), menu key, redial key, hold key |
| Voip Protocol | SIP 2.0 |
| Network Protocol | HTTP,BOOTP,FTP, TFTP, IEEE 802.1Q |
| Voice Coding | G.723.1 (5.3K 6.4K b/S), G.729 A (8Kb/s), G.711 A/U (64Kb/S), G.722(64Kb/S) |
| QoS | TOS,Jiffer Buffer,VAD,CNG,G.168(32ms) |
| Network Interface | (LAN/PC)2 ports of 10/100M Ethernet (LAN/PC) Wifi (US102W) access Static IP, DHCP Auto Gain IP, PPPoE dial-up Dual DNS VPN (L2TP), VLAN |
| Voice | HD handset, HD encoding Hands-free mode (full-duplex mode) Nine independent volume grade adjustment |
| Call Processing | Call waiting, queuing, line switching Unconditional transfer, busy transfer, no answer transfer Call forward, transfer, maintain, Auto Answer, call-back Redial, hotline number (immediate / delayed) Phone number book direct call, Caller record direct call. Conference DND, Black List. Message Prompts Voice Mail |
| Application | Enterprise Communication Table(Auto gain from server) Private phone number book. SMS, Advertising push |
| Security | LCD login password. Web Web login password Signaling encryption Voice encryption |
| Maintenance | TR069 supported from Operator Keyboard setting Web management Telnet management HTTP/TFTP/FTP Auto provision/TR069 |
| Power | External Adapter 5V DC Support PoE IEEE 802.af |
| Operation Environment | Working Temperature: 0℃ ~ 60℃ Relative humidity: 10% ~ 90% Physical Dimension: 337mm*217mm*67mm (L*W*H) Weight: 1.07kg |
