DSP9328A IP Waterproof Hands-free Telephone with Loudspeaker and Warning LightJuly 13, 2022view
DSP9329A IP Explosion-Proof Telephone with Loudspeaker and Warning LightJune 29, 2023DSP9329A Explosion-proof Sound and Light Amplifying Telephone supports the standard SIP protocol and can be effectively compatible with commonly used IPPBX and network dispatching platforms in the mar...view
DSP9327S IP Waterproof Sound Alarm Wall-Mounted Telephone+15W SpeakerNovember 3, 2021DSP9327S IP Waterproof Phone+15W Speaker suitable for use in environments with special requirements such as subways, light rails, highways, ships, mines, power plants, steel companies, etc, which have...viewwe will contact you within 24 hours.
DSPPA | Notice of the May Day HolidayApril 30, 2024Abstract: Happy May Day! May your five-day holiday be filled with endless happiness and boundless joy!view
Concept of Paperless Intelligent ConferencesMarch 20, 2023What is a paperless conference system?A paperless conference system is a system that uses modern communication technology, audio technology, video technology, and software technology to achieve a pape...view
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