SIP Intercom System, SIP Paging Intercom Gateway, audio to sip, sip to audio

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Beijing RYLink Technology Co., Ltd.

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SIP Intercom System, SIP Paging Intercom Gateway, audio to sip, sip to audio

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SIP Intercom System, SIP Paging Intercom Gateway, audio to sip, sip to audio

SPA2 is a SIP video intercom & Paging device for industry application. The media stream transmission adopts standard IP/RTP/RTSP protocol. It inherits the advantages of the stability and the sound ...

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