A little confused by your question, but are you trying to telnet/SSH to a PIX interface address from another interface? If so, forget it, you can't do it, the PIX internal security algorithm doesn't allow you to do this. Similarly you'll find you can't ping an interface address from another interface.
There is talk of them changing this in the next release of code cause a lot of customers would like to be able to do this, particularly with say, having a bunch of PIX getting DHCP addresses on their outside interfaces and building VPN's back to a central location. Unless you can ping the known inside IP address, it's impossible to tell if the remote PIX are working properly.
For now tohugh, you can't do this (assuming I'm understanding your question correctly). Creating statics, etc won't help either.