时代互联是中国顶级域名注册商，是中国首批经ICANN和CNNIC认证的域名注册商，也是中国专业的虚拟主机和服务器租用托管服务提供商，微软SPLA认证运营商，多年专注于主机，虚拟主机，域名注册，域名交易，企业邮箱，服务器租用，企业短信平台，网站建设等网络增值服务。

The production of Technical Specifications for a 3rd Generation Mobile System based on the evolved GSM core networks.

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 is the leading Finnish communications service company, founded in Helsinki in 1882.

AT&T is a leader in telecommunication services, including cell phones, wireless, U-verse, digital TV, high speed internet, DSL, home phone, and bundled services.

中国通信标准化协会 (英文译名为：China Communications Standards Association，缩写为：CCSA)于2002年12月18日在北京正式成立。该协会是国内企、事业单位自愿联合组织起来，经业务主管部门批准，国家社团登记管理机关登记，开展通信技术领域标准化活动的非营利性法人社会团体。

Red Hat is the world's leading open source technology solutions provider with offerings including Red Hat Enterprise Linux, open source applications, security and systems management, virtualization, Services Oriented Architecture (SOA) solutions.

SourceForge.net. Fast, secure and free downloads from the largest Open Source applications and software directory.

Corporate website for Delphi - a leading global supplier for the automotive, computing, communications, energy, and consumer accessories markets. Headquartered in Troy, Mich., Delphi has more than 100,000 employees in 32 countries.

DevX is the leading provider of technical information, tools, and services for IT professionals developing corporate applications.