Short circuit the alarm in connection then it will trigger the preset in web to play audio.

Yes, now Tonmind IP horn SIP-S21M, it is 30w amplifier and have 1 audio in.

Yes, the Mic work as audio in, and HST work as audio out.

Tonmind IP Mic SIP-M20 have 2 audio in, and 1 audio out.

It supports profile S and profile T.

Milestone, Nx witness, DW, IDIS, Avigilon, Digifort, Milesight, and keep to update.

Now Tonmind have total three software: Tonmind Audio Manager, Tonmind PA System Lite, Tonmind PA System Pro, they are able to manage devices up to 1000pcs.

① Add contact info in IP Phone, set name and IP Address, the IP Address format is like 123@ Tonmind IP Speaker IP Address, for example, 123@192.168.5.200

② Find Contact Menu in IP Phone, find the name you just set, press and it will dial to Tonmind IP Speaker.