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Polycom RMX 2000/4000 Administrator’s Guide
2-31
Conference Access
When H.323 and ISDN participants connect directly to the conference, 
they can be defined or undefined participants. Undefined Participants can 
connect to an encrypted conference only if the endpoint’s encryption is set 
to YES; otherwise, the endpoint’s encryption is considered as if set to NO.
Encrypted ISDN/PSTN Participant can connect to a non-encrypted 
conference while encrypted H.323 participants cannot connect to a non-
encrypted conference.
Non-encrypted participants can connect to an encrypted conference only 
if they are defined in the conference’s participants list (defined 
participants) and the system flag 
ALLOW_NON_ENCRYPT_PARTY_IN_ENCRYPT_CONF is set to YES. 
This flag does not apply to undefined participants.  Table 2-7 summarizes 
the conference access options for defined participants:
Table 2-7 
   Defined H.323 Participant Connection to the Conference Based on the 
Encryption Settings
ALLOW_NON_
ENCRYPT_PARTY_
IN_ENCRYPT_CONF
Conference 
Encryption 
Setting
Participant 
Encryption 
Setting
Participant
Connection
Permitted
NO
Yes
Auto
Yes (encrypted)
NO
Yes
No
No
NO
Yes
Yes
Yes (encrypted)
NO
No
Auto
Yes (non-encrypted)
NO
No
No
Yes (non-encrypted)
NO
No
Yes
No
YES
Yes
Auto
Yes (encrypted)
YES
Yes
No
Yes (non-encrypted)
YES
Yes
Yes
Yes (encrypted)
YES
No
Auto
Yes (non-encrypted)
YES
No
No
Yes (non-encrypted)
YES
No Yes
No