string(223) "https://tools.communicationads.net/webservice.php?wf=10644&format=xml&calc=allnetflat&country=DE&provider_d1=0&provider_d2=0&provider_eplus=1&provider_o2=1&provider_1u1=0&mobileweb_volume=1000&contract_period=&type_5g=&c=20"