Purchase Qty. Reference FOB Price
1-9 Pieces US$182.90
10-49 Pieces US$177.40
50-99 Pieces US$173.70
100+ Pieces US$164.61
Product Description
Q520 SIP Video Door Phone The design of Q520 SIP Video Door Phone is based on experience and knowledge of VoIP phone development.Voice transmission uses standard IP/RTP protocol and video transmission adopts RTSP.Q520 have a variety of enterprise-level features and it is compatible with lots ...