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The `!MultiService Forum`! (`!MSF`!), originally `!Multiservice Switching Forum`!, was a `F33f`_`[telecommunications`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Telecommunication]`_`f `F33f`_`[industry association`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Industry_association]`_`f which promoted `F33f`_`[interoperability`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Interoperability]`_`f in the field of `F33f`_`[next generation networking`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Next_generation_networking]`_`f products and services from 1998 to 2013. `:cite-ref-1[`F5bf`_`[1`#cite-note-1]`_`f]The open-member organization included equipment vendors such as `F33f`_`[AT&T`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=AT&T]`_`f, `F33f`_`[Alcatel-Lucent`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Alcatel-Lucent]`_`f, and `F33f`_`[Cisco Systems`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Cisco_Systems]`_`f, fixed and mobile network operators such as `F33f`_`[Verizon`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Verizon]`_`f, `F33f`_`[NTT`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Nippon_Telegraph_and_Telephone]`_`f, `F33f`_`[BT`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=BT_Group]`_`f and `F33f`_`[Vodafone`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Vodafone]`_`f, and others. MSF produced `*Implementation Agreements`*, which specify the implementation of communication technologies, or their configuration for achieving interoperation.

>>Contents

• `F0af`_`[Working groups`#working-groups]`_`f

• `F0af`_`[References`#references]`_`f

• `F0af`_`[External links`#external-links]`_`f

-─

>>Working groups

The Services Working Group (SWG) was formed to support communication service providers.`:cite-ref-2[`F5bf`_`[2`#cite-note-2]`_`f] The Interoperability Working Group was formed to provide demonstrations of equipment and services working together.

>>References

`:cite-note-1`!1.`! `F0af`_`[↑`#cite-ref-1]`_`f `:citerefstaff2013`aStaff (2013-03-21). "MSF: Interoperability Forum Folds, Leaves Impact on Industry". `*Converge Digest`*. Retrieved 2025-05-08.

`:cite-note-2`!2.`! `F0af`_`[↑`#cite-ref-2]`_`f `:citerefward2005`aWard, R. C. (2005-01-01). "Setting industry direction—the role of the MultiService Forum". `*BT Technology Journal`*. `!23`! (1): 160–172. `F33f`_`[doi`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Doi_(identifier)]`_`f:10.1007/s10550-005-0117-z. `F33f`_`[ISSN`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=ISSN_(identifier)]`_`f 1358-3948.

>>External links

• Official website at the `F33f`_`[Wayback Machine`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Wayback_Machine]`_`f (archived 2013-03-19)

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