EmsAbVoiceMailSpeed

KnownPropertyList.EmsAbVoiceMailSpeed field

Microsoft Exchange 定义了由 Microsoft Exchange Server 和 Microsoft Exchange Client 使用的此属性。 规范名称: 备用名称:PR_EMS_AB_VOICE_MAIL_SPEED

public static readonly PidTagPropertyDescriptor EmsAbVoiceMailSpeed;

也可以看看