While it's possible to contact anyone by use of the Echo thread, an invention of one of the northern mages, and quickly adapted by every faction, it's hardly secret. The low level wind magic that supports the Echo thread has become memorized by nearly every decent Demon by now.
There are a few rules to this thread:
1st: Only those in a town or temple may post in this thread. This is a RP limitation.
2nd: All posts in this thread are to remain in character in terms of discussion, however, actions need not be RPed here, the echoes of words are all that is carried here.
3rd: Any player may post here. As mentioned above, don't expect things discussed here to be secret.
4th: Use common sense, failure to do so will result in your ability to use the Echo thread being removed. Common Sense includes following the TOS, not breaking rules, No flaming, etc. Note: Bumps are not allowed, but Double posts are.
