Voice Profile for Internet Mail - version 2

VPIM Voice Message MIME Sub-type Registration

“…The MIME sub-type multipart/voice-message is defined to hold specific media contents that are interchanged in messages between voice messaging systems described in [VPIM2]. Essentially, the sub-type provides a simple wrapper that easily identifies the entire content as being the components of a single voice message.…”

“…This is to distinguish, this refinement of the sub-type from the previous definition in [VPIM1]. The value of the version parameter is "2.0" if the content conforms to the requirements of [VPIM2]. Should there be further revisions of this content type, there MUST be backwards compatibility (i.e.…”

“…The multipart/voice-message sub-type is a primary component of the VPIM specification [VPIM2]. All VPIM Messages MUST contain this sub-type to identify the wrapping of a voice message.…”

“…The version parameter that contains the value "2.0" if enclosed content conforms to [VPIM2]. The absence of this parameter indicates conformance to the previous version defined in RFC 1911 [VPIM1].…”

“…A full description of usage can be found in the VPIM v2 specification [VPIM2]. This document revises an earlier sub-type registration in RFC 1911 [VPIM1].…”