Recommendation F.201 (11/1980): Interworking between teletex service and telex service - General principles
superseded recommendation/international standard from the International Telecommunication Union
ITU Telecommunication Standardization Sector
Interworking between teletex service and telex service - General principles
Recommendation E.163 (11/1988): Numbering plan for the international telephone service
Recommendation F.200 (11/1988): Teletex service
Recommendation F.60 (11/1988): Operational provisions for the international telex service
Recommendation F.67 (10/1984): Charging and accounting in the international telex service
Recommendation F.69 (11/1988): Plan for telex destination codes