Grandstream GSC3506 SIP speaker offers crystal clear HD audio, SIP paging, multicast paging, and a 30-Watt HD speaker. It is the ideal speaker for any organization. Get the best quality... Read More
Grandstream GSC3506 SIP speaker offers crystal clear HD audio, SIP paging, multicast paging, and a 30-Watt HD speaker. It is the ideal speaker for any organization. Get the best quality... Read More