Their roaming rates are not compliant with EU regulations. Also:
Alpha Mobile defines fair, consumer usage as a reasonable mix of mobile and landline calls; the majority of calls being made outside of normal office hours; call length not to last longer than 60 minutes and the amount of calls made not to exceed a reasonable amount per day and total monthly usage of 1500 minutes.
davegr . in pakistan no any call to mobile longer laster more then hour.after 54 or 55 minutes it would b disconnected by itself.so i think for pakistan ,this technical issue would not stand from Alpha mobile... on other hand , m not sure about 1500 total monthly usage...