Business Grade VoIP Solutions Using VoIP technology with Talk Up Communications you can make local, national and international calls to both landlines and mobiles the same way you do now, using the same handsets you have now while still retaining all of your current phone numbers. Why pay extra to use the old technology? in Public bookmarkswith business_grade_voipcheap_callsvoipby 2 users Note: Using VoIP technology with Talk Up Communications you can make local, national and international calls to both landlines and mobiles the same way you do now, using the same handsets you have now while still retaining all of your current phone numbers. Why pay extra to use the old technology?