Silarius SIP Speaker Horn is an outdoor speaker with exceptionally loud and clear sound. Use the speaker as a practical tool for broadcasting live announcements across large areas and actively protect your property. If an unwelcome visitor enters your premises, you can respond immediately with a live or preset announcement to promptly deter the trespasser. Loudest sound on the market Announcement planner SILIPSHPOE is a low-cost performance speaker horn which is SIP based for public broadcasting, notification/tone broadcasting and streamed HD music playback. It is with standard IP/RTP voice transmission protocol and compatible with all main SIP based IP PBX /Softswitch/IMS platforms like Asterisk, BroadSoft, 3CX etc. for quick and easy deployment. It supports third party's telephony system to achieve the combination system including telephony, broadcasting, and intercom in public place.