RFC 4239:Internet Voice Messaging (IVM)
RFC-Ref

voicemail


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... For some forms of communication, people prefer to communicate using their voices rather than typing. By permitting voicemail to be implemented in an interoperable way on top of Internet Mail, voice messaging ...
... There exist unified messaging systems that will transmit voicemail messages over the Internet using SMTP ...
... from a lack of interoperability because various aspects of such a message have not hitherto been standardized. In addition, voicemail systems can now conform to the Voice Profile for Internet ...
... Draft Standard [VPIMV2R2]) when forwarding messages to remote voicemail systems. VPIM v2 was designed to allow two voicemail ...
... voicemail systems. VPIM v2 was designed to allow two voicemail systems to exchange messages, not to allow a voicemail system to ...
... VPIM v2 was designed to allow two voicemail systems to exchange messages, not to allow a voicemail system to interoperate with a desktop e-mail client ...
... This document therefore proposes a standard mechanism for representing a voicemail message within SMTP/MIME, and a standard ...
... encoding, this will also permit most users of e-mail clients not specifically implementing the standard to still access the voicemail messages. In addition, this document describes features an e-mail client ...
... messages. In addition, this document describes features an e-mail client SHOULD implement to allow recipients to display voicemail messages in a more friendly, context-sensitive way to the user, and ...
... context-sensitive way to the user, and intelligently provide some of the additional functionality typically found in voicemail systems (such as responding with a voice message instead of e-mail). Finally, how a client ...
... unified messaging mail clients also be able to fully interoperate with voicemail servers. This is possible today, providing the client implements VPIM v2 ...
... VPIMV2R2], in addition to this specification, and uses it to construct messages to be sent to a voicemail server. The definition in this document is based on the IVM ...


... Voice messages may be created explicitly by a user (e.g., recording a voicemail message in their mail client) or implicitly by a unified messaging system (when it records a telephone ...
... important body parts (such as the original audio message if a voicemail is being forwarded) MAY also be indicated via a Criticality of CRITICAL. Contents that are not essential to communicating the ...


... the message is important to the originator and a mechanism exists to return status indications to them (which may not be possible for voicemail originators). ...


... It is desirable to be able to use an onramp/offramp for delivery of a voicemail message to a user, which will result in specific addressing requirements, based on service selectors defined in [SELECTOR ...



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