A method of transmitting digital image signal data from a standalone
device includes input image signals corresponding to views from outside
the standalone device. Digital image signal data, corresponding to the
input image signals, are output. The standalone device is permitted to
connect to an internet-protocol network by setting an internet-protocol
address for the standalone device itself. On the network, the digital
image signal data is packetized and addressing of the packetized digital
image signal data for the internet-protocol network is controlled, with a
transport control protocol. The method includes self-initiating a
connection with the network in response to a triggering signal on at
least one alarm trigger input of a plurality of input/output terminals.
An E-mail message is assembled including report information related to
the triggering signal and digital image signal data corresponding to the
views from outside the standalone device, and transmitted to an E-mail
address via the transport control protocol and the internet-protocol
network.
