- Fixed Wireless Terminals[6]
- Cordless Telephones[6]
- VoIP Products[6]
- Other Telephone Accessories[4]
- Industrial Computer & Accessories[5]
- Wireless Networking Equipment[6]
- Mobile Phones[6]
- Telecom Parts[6]
- Routers[6]
- Chargers[6]
- Alarm[6]
- Other Consumer Electronics[1]
- Other Power Supplies[2]
- CCTV Camera[1]
- Other Telecommunications Products[1]
- Contact Person : Mr. hua Ji
- Company Name : Shenzhen Etross Telecom Co., Ltd.
- Tel : 86-755-28167031
- Fax : 86-755-28167031
- Address : Guangdong,Hong Kong,Units A&B, 15/F, Neich Tower, 128 Gloucester Road
- Country/Region : China
- Zip : 518109
RoIP102(Radio over IP) for voice communication gateway
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Roip gateway with 1 PTT. RoIP 102
The fundamental of RoIP 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 a audiio is transmitted in real time and the PTT control signal is transmitted immediately and reliably. The radio range is general limited by the restricted transmittomg 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 Features
Support one 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)
Weight: 1.0kg
Power: 12 Vdc 2A (AC/DC adapter included)
package: 35cm x 20cm x 7cm Warranty time: 1 year
RoIP102(Radio over IP) for voice communication gateway
