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J&R Communication System Project Field Test for Roadside Tunnel

2018-01-04

J&R Communication System Project Field Test for Roadside Tunnel
 
Its' commissioning and operations will provide valuable experience on the overseas promotions of fully automatic sample preparation equipment.
 
Designed for VoIP/SIP (Voice over Internet Protoco) the station offers an array of communication features such as integrated hotline, group call, call priority and over-ride, to name just a few. This enables you to deliver instant, efficient and secure voice,and data services.
 
Highlights:
 
• Robust housing with Aluminum frontplate
 
• Made for critical communication in rough environments like roads, tunnels and ships.Extremely water and dust resistant, IP-67.
 
• Temperature -35°C to +65°C
 
• PoE Powered from one IP network cable
 
• Magnetic reed hook-switch ensures minimal wear and tear.
 
• Relay output for remote control, e.g. doors, gates & strobes
 
• Button with bi-color LED ring
 
Audio Technology:
 
• Support SIP 2.0 (RFC3261)
 
• Codec: G.711A/u, G.7231 high/low, G.729, G.722
 
• Echo cancellation: Support G.168 and hand-free can support 96ms
 
• Supports full duplex
 
• SIP support SIP domain, SIP authentication(none, basic,MD5),DNS name of server
 
• DTMF:SIP info, DTMF Relay,RFC2833
 
• Call control features: Flexible dial map, support hot-line
 
Network Features
 
• WAN/LAN: support Bridge mode
 
• Support static IP address
 
• Support DHCP get IP on WAN port
 
• Support VLAN
 
• Support web config
 
J&R Technology Ltd is the proven and preferred audio and data communication choice for environments that require the protection of human life, property, assets and/or the management of critical activities.And we are always ready to help you win and complete projects successfully by offering high quality products and our specific know how.