Nationall and Internationall prepaid calling card 5.00 BGN / about 2.00 GBP for 100 minutes / The calling card could be used in two ways: FROM REGULAR OR MOBILE PHONE: 1) By dialing of local access number. The countries with local access numbers are: Bulgaria: Plovdiv, Sofia, ST. Zagora and United Kingdom: LONDON 2) By dialing of local mobile access. Countries with local mobile access numbers: Bulgaria: Mtel, Globul FROM COMPUTER CONNECTED TO INTERNET: 1) You could download and use the free software dialer i-connect from our web site http://i-connect.ca section DOWNLOAD. 2) By using any SIP ATA device. You can purchse such device from this internet shop.