D81 Audio Door PhoneFeaturesOne call buttonSIP v2.0, RFC3261, UDP/TCP/TLSDoor access by remote DTMFPremium audio qualityOne SIP line, dual SIP servers Specifications Display: N/A [...]
D88 Audio Door Phone Features SIP v2.0, RFC3261, UDP/TCP/TLS Numeric keypad 2.3” graphic LCD with backlight Door access by remote DTMF and IC/ID card [...]
New Rock Technologies, Inc. is a leading SIP-based device supplier and delivers highly reliable and cost-efficient converged communication solutions.. New Rock markets Voice-over-IP (VoIP)-based telephony and data networking products and applications to Small and Medium-sized Enterprises sector, carrier, Internet Telephony Service Providers and vendor partners.
By Shi Ya Ong|2022-02-04T02:26:36+00:00February 4th, 2022|Categories: Blog|
Analog Phone vs IP Phone Analog is the process of [...]
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