Blink Mini Mini is an affordable indoor plug-in security cam that helps you see what’s happening in your home. Mini is mighty — but tiny — and starts at just $34.99 making it the perfect first step towards smart home security. It features two-way audio, day and night HD. Blink Outdoor, Indoor, XT2, and XT. A red light on a battery powered camera appears when the camera is not connected to the internet. When first set up, the camera's red light flashes 3-4 hard blinks and then repetitive soft blinks after, until the internet connection is established.
Blink is the best real-time communications client using the SIP protocol.
You can use it with many SIP providers, on the LAN using Bonjour and with SIP2SIP, a free service.