500v2 8.1.65 - Site A has the PRI and Site B calls out through Site A when they dial 9. The problem I am having is that twinned calls show the original callers ID, but twinned calls from site B show the extension number instead (I'm assuming this is because when the extension number comes into site A the phone system recognizes it as the original caller ID). Is there a special short code I need to build to fix this? I have the 'send original caller ID' checkbox checked on both systems.