No, the EJB spec only requires that Local (including no-interface) references be accessible from within the same application. There is an effort to use the OSGI capabilities in GlassFish to make cross-ear local EJB access possible but I'm not sure where that stands.
[Message sent by forum member 'ksak' (kenneth.saks_at_sun.com)]
http://forums.java.net/jive/thread.jspa?messageID=365318