If a VPN solution that requires special client-side installed software is being used, then this poses a hurdle because an iPhone-compatible version of the VPN client is also required.

如果使用了一种VPN解决方案，这种解决方案需要使用安装了特殊客户端的软件，那么这将提出一个挑战，因为还需要一种与iPhone兼容的VPN客户端版本。

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With Go Secure for other vendors, automation of the VeriSign enrollment will take place within the VPN client software itself.

CNN: VeriSign takes the pain out of digital certificates