+
+$::lx_office_conf{cti}->{dial_command} = '';
+
+is SL::CTI->call_link(number => '0371 5347 620'), 'callto://03715347620';
+is SL::CTI->call_link(number => '0049(0)421-22232 22'), 'callto://00494212223222';
+is SL::CTI->call_link(number => '+49(0)421-22232 22'), 'callto://00494212223222';
+is SL::CTI->call_link(number => 'Tel: +49 40 809064 0'), 'callto://0049408090640';
+
+is SL::CTI->call_link(number => '0371 5347 620', internal => 1), 'callto://03715347620';
+is SL::CTI->call_link(number => '0049(0)421-22232 22', internal => 1), 'callto://00494212223222';
+is SL::CTI->call_link(number => '+49(0)421-22232 22', internal => 1), 'callto://00494212223222';
+is SL::CTI->call_link(number => 'Tel: +49 40 809064 0', internal => 1), 'callto://0049408090640';