ITU-T F.108-1989 Operating Rules for International Phototelegraph Calls to Multiple Destinations - Telegraph and Mobile Services Operations and Quality of Service (Study Group I) 4 pp
The setting up of a multiple call may involve unforeseen delays in practice, particularly when intermediate connection centres are used in the international dissemination sector.
ITU-T F.108-1989 history
1989ITU-T F.108-1989 Operating Rules for International Phototelegraph Calls to Multiple Destinations - Telegraph and Mobile Services Operations and Quality of Service (Study Group I) 4 pp