LMR gateway, Land to Mobile Radio gateway Voice Activity Detection Mode Configuration (Ex : AP-LMR1000)

VoiceFinder AP-LMR1000 LMR(Land-to-Mobile Radio) gateway is a new cutting edge LMR gateway supporting maximum 2 ports of radio interface with one(1) module slot. Radio and LAN interface of AP-LMR1000 provide an optimized call scenario for RoIP (radio over IP) service when it interoperates with conventional radio device. Compact cost effective design and system architecture of AP-LMR1000 provides customer satisfaction in high quality, performance and system reliance. This product uses the state-of-art technology voice compressed algorithm and unique QoS algorithm of AddPac to maintain the maximum Radio over IP voice quality under fast internet line and slow internet line as well. VoiceFinder AP-LMR1000 LMR gateway provides high-performance radio over IP(RoIP) solution for military, police as well as fire station and construction area. LMR(Land-to-Mobile Radio) gateway combining IP-PBX, PTT Server, PTT(push to talk) IP Phones for RoIP push to talk service is now suggesting a new model for a main RoIP(Radio over IP) communication solution. In order to be a part of advanced RoIP communications naturally in the future, making an excellent choice of choosing LMR gateway is essential. AP-LMR1000 is a compact size LMR gateway providing one(1) radio interface module slot. 4 port standard E&M (-48v) VoIP module, 2 port radio VoIP interface modules are available for AP-LMR1000 radio interface module slots. It is suitable for general enterprises, public sector and military sector. It has functions as a LMR gateway which interoperates with radio device between IP network and radio network. Especially AP-LMR1000 provides an optimal solution of RoIP communications in telephony environments that using PTT Server, PTT IP phones and IP-PBX to get connect with a head office.

E&M Radio Port CLI (Command Line Interface) Configuration via RS232C Console or Telnet

•        CASE 1 : Radio System provide PTT Out Signal

ü  Multi-Party Radio PTT Service

ü  Peer to Peer Radio PTT Service

•         CASE 2 : Radio System doesn’t provide PTT Out Signal

                  (Voice Activity Detection Mode)

ü  Multi-Party PTT Service

ü  Peer to Peer PTT Service

Radio Interface Signal Diagram (CASE 1 : Radio System provide PTT out signal)

CASE 1 : Multiparty Radio PTT Service

CLI (Command Line Interface) :

voice-port 0/0

    signal lmr

    lmr m-lead dialin 

CASE 1 : Peer to Peer Radio PTT Service

CLI (Command Line Interface) :

voice-port 0/0

    signal lmr

    lmr m-lead peer-to-peer

Radio Interface Signal Diagram (CASE2 : Radio System doesn’t provide PTT out signal)  => Voice Activity Detection Mode

CLI (Command Line Interface) :

Voice Activity Detection

  voice-port 0/0

    lmr voice-detect ActiveLevel IdleLevel ActiveCount IdleCount

      * ActiveLevel :  2 ~ 55 (-dBm) (default : 35)

      * IdleLevel   : 10 ~ 60 (-dBm) (default : 55)

      * ActiveCount : 0 ~ 1024 (count of 10 msec) (default : 5)

      * IdleCount   : 3 ~ 2048 (count

CASE 2 : Multiparty Radio PTT Service

CLI (Command Line Interface) :

voice-port 0/0

    signal lmr

    lmr m-lead inactive

CASE 2 : Peer to Peer Radio PTT Service

CLI (Command Line Interface) :

voice-port 0/0

    signal lmr

    lmr m-lead inactive peer-to-peer