News
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Ningbo Joiwo participated in the 2022 Zhejiang Service Trade Cloud Exhibition India Communication Technology Session
Ningbo Joiwo Explosion-proof Technology Co., Ltd. participated in the 2022 Zhejiang Provincial Service Trade Cloud Exhibition (Indian communication technology special exhibition) hosted by Zhejiang Provincial Department of Commerce in the 27th week of 2022. The exhibitio...Read more -
What is situation the ordinary telephone exploded?
Ordinary telephones can explode in two situations: The surface temperature of an ordinary telephone is raised by heating that occurs to match the ignition temperature of combustible substances accumulated in a factory or industrial structure, resulting in a spontaneous e...Read more -
The difference between using analog telephone systems and VOIP telephone systems
1. Phone charges: Analog calls are cheaper than voip calls. 2. System cost: In addition to the PBX host and external wiring card, analog phones need to be configured with a large number of extension boards, modules, and bearer gat...Read more