The product is highly suitable for use in mines, parks, scenic areas, subways.
Features and Specifications
128×48 monochrome dot matrix display with backlight support
High-definition voice with G.722 wideband audio decoding, echo cancellation, and noise reduction
Built-in numeric keypad with 3 programmable keys for custom configuration
Integrated digital input/output interface with 1 short-circuit input and 1 short-circuit output
Built-in audio line output interface for external active speaker amplification
100Mbps RJ45 dual network ports with PoE support
High compatibility—works with mainstream SIP-based IP PBX/softswitch/IMS platforms like Asterisk, Broadsoft, 3CX, Metaswitch, Elastix, Avaya, etc.




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