Tonmind IP ONVIF Speaker is compatible with standard SIP and onvif in the market, there are some major brands we can work with in this diagram.

How Tonmind IP Speaker work by SIP protocol? It's based on a same network environment, then register to a SIP sever by SIP account.

Tonmind ONVIF Speakerconnect with ONVIF VMS based on the VMS supports audio output streaming.  Please make sure the VMS supports Profile T Audio Backchannel.

IP camera field customers can add Tonmind IP Speaker into their VMS for audio control. When Tonmind SIP Speaker is working with the VMS, the VMS can scan out the speaker and can realize one to one broadcasting for IP Camera.

It also supports pre-recorded  messages that can make pre-recorded announcement in IP PA System. This will improve the surrounding security, you can monitor your property to keep intruders out.