Mail stationery 3.11/14/2024 ![]() Usable in conjunction with other content negotiation protocols. Independently of the rest of this specification, with a view to being Section 4 contains a detailed description of the 'Content-Īlternative' header that is used to convey information aboutĪlternative available formats. Indicating the flow of information between a sender and receiver. Section 3 describes the proposed content negotiation framework, Specific goals that are addressed in this specification. Section 2 describes some of the background, and sets out some The main part of this memo addresses the following areas: RFC 3297 Content Negotiation for Messaging Services July 2002 1.1 Structure of this document Is to allow enough information to be provided to determine whether or Receiver's capabilities, the mechanism described here may incur anĪdditional message round trip. When the sender does not have the correct information about a Should be provided to replace the message data originally The sender of a message to indicate availability of alternativeįormats, and the receiver to indicate that an alternative format Incorrect information about the receiver's capabilities. Transfer when the sender has based the initial transmission on The same mechanism can also achieve a usable message This memo describes a mechanism that allows better-than-baseline dataįormats to be sent in the first communication between a sender and The alternatives sent was usable by the receiver. Message to a given receiver, or to obtain confirmation that any of This approach does not of itself allow the sender to truly tailor its Apart from the obvious drawback of network bandwidth use, Send a message in several different formats, and allow the receiver Implemented) is for the sender to use 'multipart/alternative' to Given sender and receiver, and cannot benefit from this "do betterĪn alternative facility available in email (though not widely Many communications are one-off or infrequent transfers between a The sender, can be used in subsequent transfers between the same The capability information thus provided, if stored by Mechanism for providing the sender with the details of a receiver'sĬapabilities. Media Features Using Extensions to DSN and MDN" describes a Of image data using Internet email protocols. "Extended Facsimile using Internet Mail" specifies the transfer Traditional facsimile, which may be used by other messaging services Which provides an Internet fax facility comparable to that of This memo describes a mechanism for email based content negotiation RFC 3297 Content Negotiation for Messaging Services July 2002įull Copyright Statement. 44 Appendix B: Candidates for further enhancements. 43 A.8 Situations where MDNs must not be auto-generated. 40 A.2 Receiver buffering of message data. 37 9.2.4 Disposition modifier 'Original-lost'. ![]() 36 9.2.3 Disposition modifier 'Alternative-preferred'. 36 9.2.2 Notification option 'Alternative-not-available'. 36 9.2.1 Notification option 'Alternative-available'. 28 8.4 Sending an alternative content type. 27 8.3 Negotiate to lower receiver capability. 23 8.2 Internet fax with initial data usable. 23 8.1 Sending enhanced Internet Fax image. 22 6.5 Automatic sending of MDN responses. 20 6.3 Indicating alternative data is no longer available. 19 6.2 Indicating a preference for alternative data. 19 6.1 Indicating readiness to send alternative data. 16 3.4 Confirm receipt of resent message data. 12 3.1.3 Information about alternative data formats. 12 3.1.2 MDN request indicating alternate data formats. 10 3.1 Send data with an indication of alternatives. RFC 3297 Content Negotiation for Messaging Services July 2002 2.3 Goals for content negotiation. 5 2.1.2 Current facilities in Internet Fax. 4 1.2 Document terminology and conventions. The mechanismĭescribed here aims to meet these needs in a fashion that is fullyĬompatible with the current behaviour and expectations of Internetġ. Given message is renderable by the receiving agent. Message content formats, yet need to ensure that the content of any Services such as facsimile and voice messaging need to cope with new Voice and other messaging services that use Internet email. This memo describes a content negotiation mechanism for facsimile, Distribution of this memo is unlimited.Ĭopyright (C) The Internet Society (2002). Official Protocol Standards" (STD 1) for the standardization stateĪnd status of this protocol. Please refer to the current edition of the "Internet Internet community, and requests discussion and suggestions for This document specifies an Internet standards track protocol for the Request for Comments: 3297 Clearswift CorporationĬontent Negotiation for Messaging Services based on Email
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