Designed for use with high-speed broadband network or 
    where broadband network is NOT available

Use it with Ecocarrier Q-CallShop managed service for a low-cost setup 
    for a features-rich, fully automated Call Shop operation (www.qcallshop.com) or

    with Ecocarrier Globocal service (www.globocal.com) for making global calls as
        local calls and International Direct Dial (IDD) capability at extremely low cost 

Other Outstanding Features

• Built-in dual port Ethernet switch for use to connect your PC and Q-FONE-DU-X on the same 10/100 Base-T LAN

• Available in H.323-, SIP- , MGCP- or IAX2-compliant versions for interoperation with H.323/SIP/MGCP-compliant endpoints or softswitches

• Large LCD displays the call status and prompting messages for setup configuration in an intuitive guide

• Proven interoperability with Open H.323 GK, Radvision GK, Cisco IOS, Cisco ATA, Lucent softswitch, Sonus softswitch, Quintum Tenor, Audiocodes, Altigen, etc.

• Configuration via HTTP web browser, advanced configuration by Telnet, and firmware upgrade by FTP/TFTP

• Supports various control protocols: H.323 v4 / MGCP RFC2705&3435 / SIP RFC2543&3261

• Handsfree dialing

Specifications

Hardware

• One PSTN port; built-in V.90 modem RJ11 connector (data rates from 14.4Kbps to 56Kbps)

• Ethernet: dual 10/100 based-T Ethernet, full duplex; RJ45 connector

• LCD: 2 x 24 character mode LCD for the status and account balance display

• Keys: 12 alphanumeric keypads and 9 function keys: Spk, Mute, Volume up, Volume down, Redial, Speed Num, Balance, Call Record, Voice Msg

• 6 LEDs to indicate phone status; Call Record, Voice Msg, Ethernet Status, Power Status, Spk, Mute

• Softkeys: 4 programmable soft keys

• Support for Audio CODEC: G.711u, G.711a, G.729, G.729a, G.729b, G.729ab

• Power Adaptor: 100V ~ 240VAC input, +5VDC output

H323 Protocol

• Interoperability: ITU-T H.323 v4 support, compatible with most H.323 v1-v4 systems and devices

• Numbering format: support different E.164 registration format (E.164, H.323 ID, MAC address) and dialing format

• H323 Proxy: built-in H.323 proxy to pass NAT

• Support Faststart and H.245 tunneling

• Support H245: Outband DTMF transmit by H.245 user input or Q.931 keypad

• Support Q.931: Caller ID send and receive by Q.931

• Security: H.235 security authorization based on MD5

• Gatekeeper: alternate gatekeeper selection

• Support/provide direct IP to IP call mode, including direct PSTN call by a gateway

• Automatically discover gatekeeper in LAN

SIP Protocol

• RFC3261 (SIP: Session Initiation Protocol)

• RFC 2976 (SIP INFO Method)

• RFC 2327 (SDP: Session Description Protocol)

• RFC 3264 (An off/answer model with the Session Description Protocol)

• RFC 1889 (RTP: Real-time Transport Protocol)

• RFC 1890 (RTP profile for audio and video conferences with minimal control)

• RFC 2833 (RTP payload for DTMF digits, telephone tones and signals)

• Support inband DTMF tone send/receive with RTP

• Support out of band DTMF signaling based on RFC2833

• RFC 3489 (Simple Traversal of User Datagram Protocol (UDP) through network address translators (NATs)

• RFC 2617 (HTTP Authentication)