depearce

DF- We use a Microfrime Sentinel 2000s. 4 programable ports, Password protected and
sends alarm notification alert to pre-programed number. ( If that's what you meant for Call back.)

rhack

I concur that the Sentinels are a decent box. Thye are now manufactured by ION Networks, www.ion-networks.com. We have about 150+ and are having good success with them. There is alot of capabilities to the boxes. There are multiple ways to authenticate including passkey authentication. We are acutally trialling a product called PRIISMS which is a gateway to all of our secured devices. Users authentiate to PRIISMs and PRIISMS either telnets to the Sentinel or uses a digboard modem pool to dial out, and perfroms another authentication. Very goo for controlling access. If you want more info send me a private note with your contact info and I would be happy to discuss.

*Note: you may hear people slame the Sentinels in the early days about 4+ years ago, there wre some issues with the boxes, particularly modems would go to sleep. Anyway, as far as I am concerned all issues have been resolved, and we have had good success.

DarrenFlynn

Thanks guys. I will chase that up. Also Checking out SEBea units from Teltronics. Will give ya quick private note.