AAPT, A1 Telekom Austria, Alestra, America Movil, Anunciosen Directorios (ADSA), Astro, AT&T Drive Studio, AT&T Mobility, AT&T Services, Bakcell, Belgacom, Bell Canada, BendBroadband, Bezeq, BT Plc, Cable Bahamas, Cablevision, Cellcom GSM, Cellcom Israel, CenturyLink, Claro Brazil, Claro Chile, CNT, Comcast, Comision Federalde Electricidad (CFE), Cricket Wireless, Crnogorsky TelekomA.D, CSL Limited, Defense Telematica Organization, DIRECTV, Dish Network, Dex One, Eagle Mobile, Efforte lSA, Elion, Elisa, Enel, Eniro, EE, Far Eastone Telecommunications Co.(FET), Fastweb, GET, Globe Telecom, HSBC Bank, Hutchison 3G UK Limited, ICE, Indosat, Interoute Telecommunications Ltd, JSC Kazakhtelecom, Jupiter Telecommunications (J:COM), Kcell, KPN, Kyivstar, Liberty Global, Linkem, Link Net, M1, Melita, MetroPCS, Mobilicity, MobilTel, Movicel, Movilnet, NetCom, Ono, Open Mobile, Openreach, Oi, Optimus, Osnova Telecom, Partner Communications, Pelephone, Post Telecom, Prime Tel, Reliance Communications (RCOM), Rogers Communications, RomTelecom, Rostelecom, Sensis, Singtel, Slovak Telekom, Sprint, Sunrise, Strex, T-Mobile Austria, T-Mobile Czech Republic, T-Mobile International AG, Tata Communications, Tele2 Communications, Telefonica Argentina, Telefonica Chile, Telefonica Czech Republic, Telefonicade Espana, Telefonica O2 Slovakia, Telefonica Peru, Telenet, Telenor Hungary, Telenor Serbia, Tele2 Norway, Telenor Norway, Telenor Sweden, TeliaSonera, Telindus Belgacom ICT, Telkom SA, Telstra, Telus, TIM Brasil, True Corp, Truvo, Transatel, Transvision, Trudon Ltd, U.S. Cellular, Vietnam Telecom National Co., VimpelCom, Virgin Media, Vivo, Vodafone Hutchison Australia, Vodafone Germany, Vodafone Global, Vodafone India, Vodafone Hungary, Vodafone Netherlands, Vodafone Romania, Vodafone UK, XL Axiata, Yell Publicidad, Ziggo, Zon Multimedia, Anonymous Service Provider, 012 Smile