On Jan 26, 1994 Paul Edwards wrote in a message to All:

PE> There is a "standard convention" (OWTTE) that when
PE> specifying an international phone number, you go:

PE> +61-2-436-1785

I don't know about a "standard" but common use in Telecom is not to use
any spaces:

International:	+61 2 436 1785
STD:		(02) 436 1785
Other:		1800 436 1785

Malcolm
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