Hello, Here is the situation: I got a analogue intercom system. The intercom needs to be hooked to the VOIP environnement. I cannot use an ATA as the Intercom system is the one sending the tone. I bought a SPA 3102 and use the FXO port to connect t...

Hello! Here is the situation. A single user has 3 different DN in 3 different Building. She has a single Autorization Code for long distance. I want her to be able to use this code in only 1 of these 3 building. The other 2 phones must not be blocked...