泰力信息
中国计费网是中国第一个定位于计费和OSS领域的专业媒体，致力于推动中国电信行业的发展，是业内唯一定位于及时、全面报道国内外计费&OSS领域相关信息的中文网站，是业内人士获取行业信息的重要专业资讯网站。
T-Mobile
T-Mobile: Cell phones you love, plans you want. Offering the best deals on cellular phone service, prepaid cell phones, cell phone accessories, free cell phones & more!
Orange
Mobile phones, mobile broadband and home broadband in the Orange Shop. Plus the latest news, entertainment, sport and lifestyle content from Orange.
NTT DOCOMO
The global website of the Japanese mobile operator NTT DOCOMO, including press releases and updated corporate information.
OTE
OTE is among the five largest listed companies, with respect to capitalization, in the Athens Stock Exchange and also trades on New York (NYSE) and London (LSE) Stock Exchanges.
GSM World
The GSMA represents the interests of the worldwide mobile communications industry. Spanning 219 countries, the GSMA unites more than 750 of the world’s mobile operators, as well as 200 companies in the broader mobile ecosystem.
Elisa
Elisa is the leading Finnish communications service company, founded in Helsinki in 1882.
3GPP
The production of Technical Specifications for a 3rd Generation Mobile System based on the evolved GSM core networks.
China Mobile Limited
China Mobile Limited (the "Company", and together with its subsidiaries, the "Group") was incorporated in Hong Kong on 3 September 1997.