I have a couple of offices with KSUs (Nortel Norstar) which have some analog extns on them..I want to remote these analog extns to distant remote offices over our internal intranet (all fixed IP in the 10.xxx.xxx.xxx range). Is there ANYONE who makes a simple FXO and FXS combo that can make it operate transparently (NO extra dialed digits, etc!)? I want the remote user to be able to pick up their phone and dial as if they were local to the KSU (extn or access code, etc) and get audible feedback from the KSU (dialtone, ringtone, etc).....AND if the extns are rung by a caller, the remote phone rings without the caller having to overdial anything! (bascially I need a VoIP connection that emulates a FXS-FXO analog connection...without the 2600 Hz SF :) If anyone knows of such a box, please let me know......otherwise, whats the best way to do it with what is out there now? Would I need to install a signaling server at the KSUs and have the FXO and FXS modules talk to the server (I would like to NOT use a server if possible but..........) using SIP or H323 or ??????? I have dealt with VoIP before but only one the remote end (installed Cisco 2400 series for a VoIP provider).....but this project is a bit different....oh btw I will need 1-2 FXS at the remote ends and preferably 4-6 FXOs at the KSU end to handle the remote sites..