Answer:

telexes

Answer	Crossword Clue
TELEXES	Outmoded e-mail
TELEXES	Fax forerunners
TELEXES	Old-fashioned messages

TELEXES	Communicates electronically
TELEXES	Some Western Union messages
TELEXES	Devices for direct communication
TELEXES	Pre-Internet communications
TELEXES	Outdated communications
TELEXES	E-mail ancestors
TELEXES	Outdated communiques
TELEXES	Alternatives to faxes

TELEXES	Modern messages
TELEXES	Once-modern messages
TELEXES	Pre-Net messages
TELEXES	Pre-fax messages