Is it possible to cross-faction roleplay on Frostwolf?

[FeralGreyWolf]

Hi, I'm roleplaying with some friends, and one of them made a Blood Elf character, even if me and the others are on ally.
Is it possible, on this shard, to talk with the other faction members?

[LordArieLII]

don't do it in your main before you checked it, i can't enter my main because i bought rename...

[Desolution]

Its not possible to talk with other faction.