88 Sky IP Box Unlimited Plan Calls to 30 different countries. Including US, Canada, China, Hong Kong, Taiwan, Macau, Australia, Austria, Belgium, Denmark, Chile, Italy, France, Germany, Greece, Ireland, Luxembourg, Malaysia, Netherlands, New Zealand, Norway, Singapore, South Korea, Portugal, Spain, Sweden, Japan,Thailand Switzerland and United Kingdom.   * US (48 States only, not include Hawaii and Alaska) Except for US, Canada, China, Singapore, Hong Kong and Macau, calls to mobile phones in other countries are not included in this unlimited plan. Unlimited calls to special services are not included too. More detail...
668 USB Calling devise $188/year for the first year including calling devise; $50/year for 2nd year renewal; Calls to more than 30 different areas:Including US, Canada,   China, Hong Kong, Singapore, Thailand fixed telephone and   mobile, Argentina, Australia, Austria, Belgium, Chile,   Denmark, Finland, France, Germany, Hungary, Iceland,   Ireland, Italy, Japan, Liechtenstein, Luxembourg, Malaysia,   Monaco, Netherlands, New Zealand, Norway, Portugal,   South Korea, Spain, Sweden, Taiwan, United kingdom   fixed telephone, and other developing countries. 免费提供电话技术支持,如需上门安装或维护,须交付安装服务费每次   $50; 适配全速 USB 2.0 和 USB audio device class Spec.V1.0界面; 全双工/双音频/忙音/来电振玲-完全支持P2P及SIP通讯协议; 音量可调,支持静音; 完全兼容 Win2000,ME, XP and Vista; 可在平台下运行MSN?QQ?Skype?Secomity?????; 完整的P2P / SIP 架构,可实现多种网络平台的自由穿越; PC-PC网内盲打(网内互打),采用UTNS国际通用电话号码系统,无限   时通话; Follow Me用户号码自动转移功能,最多可自动转移高达3个用户额外   号码(需要申请额外服务); 将具备三方会议电话功能(需要申请额外服务); 内嵌用户电话号码簿,可以存储高达100条用户电话号码记录                   More detail...