>I have seen on some sites live chat support which enables us to talk with someone and get live chat support with a technical representative about a specific product.
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>I am researching some basic elements of such implementation. We are talking about one or two support employees which would like to benefit from that. Basically, the company has a Web site. They would just like the Web site to have this support.
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>I believe this is done by a widget communicating with another server on the Internet which offers this service. This would be the preffered way of using it as we do not want to develop custom code. We only want to drop a widget and benefit of it. We do however need to be able to set up some technical support accounts on the service provider and have some kind of ways to enable a technical support person to indicate that he or she is online.
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>I would assume a monthly a renewal fee would apply.
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>Anyone would have any suggestion?

If you wanted to code it yourself on the website then you could use SignalR. The implementation is trivial - I knocked one up in about an hour !
Benefits are (a) no cost (b) you can customise it to work how you want - for example embedding in an application.

Or they could use Google Hangouts :-}