I need to install any Cisco IP phone for use as doorphone (indoor conditions). I need touchscreen and handsfree capabilities, so the visitors can select the extension and call with it in handsfree mode. I imagine a model similar to 7975 without hands...

I have a 1800 router and my ISP blocks port 25 (smtp). I need to configure inspect and port-map esmtp to port 587, but I can't configure this. If i configure port-map on port 587 directly (not port-map esmtp), the applications not works correctly (ve...