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J&R SIP Telephone Call Terminal Project Field Test for Roadside Tunnel

2018-07-25

SIP Telephone Call Terminal Project on Field Testing

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.