Hi, I'd like to find out if the following is possible; (Elastix with A2Billing) Our company is planning to open a few "Telecoms" branches as an "Add-on" to our current business, being wireless internet provider. We foresee to have, per branch, more than 2000 telco customers. We'll be getting E1 lines and link that to Elastix via 8 port PRI cards. Now this will only give 240 channels per card, so Q1 is: Can Elastix machines, each having such an 8 port PRI card, be "bound" together to use one accounting system (A2B), and can the machines be bound to one public IP number? (We're thinking of using a blade server, 16 blades). So, maybe the question to ask, prior to the question above, is wether Elastix can scale up using blade? I have read about call limitations when G729 is used (vs G711), and still have to decide how to approach this (bandwidth). Calls will be made majorily via landlines (E1), but SIP dialing will also be done on a smaller scale. Any help/info appreciated.