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Cross Network Gateway RoIP102 The fundamental of RoIP(Radio over IP)technology is to convert the audio and PTT signals in a radio terminal into IP packets and then transmit the data via the IP networks. The challenge in this technology is to insure that the audio is transmitted in real time and the PPT control signal is transmitted immediately and reliably. The radio range is general limited by the restricted transmitting power, the antenna sensitivity, and other environmental factors. | |
Key Features |
Open Standard VoIP Protocols (IETF SIP V2) |
Two 10/100 Ethernet for WAN / LAN connections | |
Supply dynamic DNS service | |
Speech quality ensured by QoS at the Ethernet and IP layers and comprehensive jitter buffer | |
Line Echo Cancellation | |
VLAN and QoS support | |
NAT Transversal and Router functions | |
Support IP voice stream to via a recording server | |
Highly stable embedded Linux operating system in high performance ARM 9 Processor | |
Basic Feature |
Support a PTT port |
LEDs for Power, Ready, Status, WAN, PC, FXS | |
Call Forward, Call Hold, Call Transfer | |
Dial Plan | |
Caller ID | |
Enhanced Features |
Dynamic selection of codec |
Advanced jitter buffer | |
Automatic traversal of NAT and firewall | |
VLAN / Qos | |
Router | |
Echo cancellation for Speakerphone | |
Comfort noise generation (CNG) | |
Voice activity detection (VAD) | |
Auto provisioning (requires auto provisioning server) | |
On line firmware upgrade | |
Multi-language support: English and Chinese | |
Supported Standards |
ITU: H.323 V4, H.225, H.235, H.245, H.450 |
RFC 1889 - RTP/RTCP | |
RFC 2327 – SDP | |
RFC 2833 – RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals | |
RFC 2976 – SIP INFO Method | |
RFC 3261 – SIP | |
RFC 3264 – Offer/Answer model with SDP | |
RFC 3515 – SIP REFER Method | |
RFC 3842 – A Message Summary and Message Waiting Indicator | |
RFC 3489 – Simple Traversal of User Datagram Protocol (UDP) Through Network Address Translators (NATs) | |
RFC 3891 – SIP “Replaces” Header | |
RFC 3892 – SIP Referred-By Mechanism | |
draft-ietf-sipping-cc-transfer-04 – Session Initiation Protocol Call Control - Transfer | |
Codec: G.711 (A/µ law), G.729A/B, G.723.1 | |
DTMF: RFC 2833, In-band DTMF, SIP INFO | |
Hardware Specifications |
Operating temperature: 10°C to 40°C (50°F to 104°F) |
Storage temperature: 0°C to 50°C (32°F to 122°F) | |
Size: 170 mm (W) x 140 mm (L) x 65 mm (H) | |
Weight:0.35kg (Including AC/DC Adapter) | |
Power: 12V 2A | |
Warranty: 1 year | |
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