1) is FRITZ!Mini 07.02.07 capable connect (pair) with to 2 Fritz boxes like as DECT Phone to connect to 2 or more DECT base stations without unpair? 2) how much FRITZ!Mini 07.02.07 phones is possible connect (pair) to one fritz!box 7170 or 7270? 3) how much FRITZ!Mini 07.02.07 phones is possible make call simultaneously via fritz!box 7170 or 7270?? 4) fritz!box 7170 make 3 SIP + 1 PSTN, sum 4 cals simultaneously, sure (maximal limit)? And 7270 have these limitations too or have beter CPU and more cals paralell? 5) is FRITZ!Mini 07.02.07 capable via 7170 make HD G722 call? Have latest 7170 firmware G722 codec?