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5.20 Callback-Id

5.20. Callback-Id

Description

  This Attribute indicates the name of a place to be called, to be
interpreted by the NAS. It MAY be used in Access-Accept packets.

A summary of the Callback-Id Attribute format is shown below. The fields are transmitted from left to right.

0                   1                   2
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1

+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+- | Type | Length | String ... +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-

Type

  20 for Callback-Id.

Length

  >= 3

String

  The String field is one or more octets.  The actual format of the
information is site or application specific, and a robust
implementation SHOULD support the field as undistinguished octets.

The codification of the range of allowed usage of this field is
outside the scope of this specification.