Guangdong, China
Business Type:
Trading Company
Number of Employees:
Year of Establishment:
Management System Certification:
ISO 9001, ISO 9000
Average Lead Time:
Peak season lead time: within 15 workday
Off season lead time: within 15 workday
OEM/ODM Service
Sample Available
Russian / Portuguese / Spanish Speaker

Intercom System, Talkback, Radio Over IP manufacturer / supplier in China, offering RoIP 102 Intercom System/Talkback (Radio over IP), DBL SIM Bank32 Remote Controller SIM Server, Remote 32 SIM Cards SIM Bank SMB32 and so on.

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RoIP 102 Intercom System/Talkback (Radio over IP)

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Min. Order / Reference FOB Price
1 Piece US $138.99/ Piece
Production Capacity: 10000
Transport Package: Packing Box Dimension:14*17*7cm,G.W;0.35kg
Payment Terms: T/T, Western Union, Paypal
Usage: Telephone, Computer, Workstation, Server, Mobile phone, Laptop
Type: Wireless
Support Network: GSM
Input: 110/220vac
Output: 12vdc, 2A
Color: White

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Basic Info

Model NO.: roip102
Warrenty: One Year
Trademark: DBL
Origin: Guangdong, China

Product Description

RoIP 102 Intercom System/Talkback (Radio over IP)

The fundamental of RoIP(Radio overIP)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)  Supply dynamic DNS service  Two 10/100 Ethernet for WAN / LAN connections  Peer-to-Peer IP Calls  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

  LEDs for Power, Ready, Status, WAN, PC, FXS  Support one PTT port  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  



   Physical and Environmental

  Storage temperature: 0°C to 50°C (32°F to 122°F)

  Operating temperature: 10°C to 40°C (50°F to 104°F)

  G.W: 0.35KG  Power: 12 VDC 500 mA (110V-220V) (AC/DC adapter included)  Warranty: one year

RoIP 102 Intercom System/Talkback (Radio over IP)
RoIP 102 Intercom System/Talkback (Radio over IP)
RoIP 102 Intercom System/Talkback (Radio over IP)

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