In The Unicode Standard, Bamum script implementation is discussed in  Chapter 19 Africa.

The Bamum script was encoded in The Unicode Standard version 5.2. Another block has subsequently been encoded. The script is encoded in the following blocks:

BlocksCharacter RangeAdded in Unicode VersionUnicode Chart
Bamum A6AO..A6FF 5.2  UA6A0.pdf
Bamum Supplement 16800..16A3F 6.0  U16800.pdf

A number of proposals for its inclusion were submitted to the Unicode Technical Committee and WG2:

2006-09-21 Report on work with the Bamum script in Cameroon — Charles Riley ( L2/06-313)

2007-01-08 Towards the Encoding of the Bamum Script in the UCS — Charles Riley ( L2/07-023)

2007-02-23 Proposed block allocation Cyrillic / Bamum — Asmus Freytag (  WG2 N3213,  L2/07-105)

2007-03-21 Preliminary proposal for encoding the Bamum script in the BMP of the UCS — Michael Everson and Charles Riley ( WG2 N3209,  L2/07-024)

2007-07-30 Request to Remove Bamum from Amendment 5 — Deborah Anderson (on behalf of Konrad Tuchscherer) ( WG2 N3298,  L2/07-239)

2008-06-01 Preliminary proposal for encoding the Old Bamum script in the SMP of the UCS — Michael Everson, Chuck Riley, Konrad Tuchscherer ( WG2 N3472,  L2/08-231)

2008-10-12 Proposal to encode modern Bamum in the BMP of the UCS — Michael Everson, Charles Riley, Konrad Tuchscherer ( WG2 N3522,  L2/08-350)

2009-01-27 Proposal for encoding the Old Bamum script in the SMP of the UCS — Michael Everson, Charles Riley, Konrad Tuchscherer ( WG2 N3564,  L2/09-019)

2009-03-28 Sources for the encoding of historical Bamum characters — Michael Everson ( WG2 N3523,  L2/09-106)

2009-03-28 Proposal for encoding additional Bamum characters in the SMP of the UCS — Michael Everson, Charles Riley, Konrad Tuchscherer ( WG2 N3597,  L2/09-102)

2009-04-22 Report to JTC1 Chair and JTC1/SC2 Chair Regarding Resolution 34 on African Languages — Deborah Anderson ( WG2 N3641,  L2/09-285)