INTERNATIONAL  TELECOMMUNICATION  UNION

		     ITU-T RECOMMENDATION SUMMARY


Rec. No. : F.87

Title :	Operational principles for the transfer of messages from 
	terminals on the telex network to group 3 facsimile terminals 
	connected to the public switched telephone network

Study Group : I - Services

Version : New

Date of adoption : 1991

Notes :	


The procedures defined in Recommendation F.87 enable telex subscribers 
to transfer messages to Group 3 facsimile terminals connected to the 
PSTN, on a store and forward basis.

The interworking shall be established by provision of a 
telex/facsimile interworking function (FAXIWF).

International access to the FAXIWF will normally be provided via the 
telex network . Bilateral agreement may be required in the event that 
other than normal telex service agreements are required.

For telex subscribers accessing a FAXIWF in their own country, 
national or international destinations may be specified, with 
international interworking being implemented via the PSTN.

The Administration providing the FAXIWF shall be responsible for any 
necessary barring of international access.



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