Originally Posted by
MBM3
You may want to see if you can change the band your phone is using - some phones do not autoselect and require you to change it to the typical european frequencies.
Default option on Treo 650 is "Auto" select, but one can manually force it to 900/1800 frequencies (used in Europe and most of the rest of the world) by opening "Phone" --> "Options" --> "Select Network" --> "Search Bands" --> "900/1800".