Sip Enhancements - Avaya Scopia XT Series Release Notes

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 Length of AES Key:
 Minimum Key Size for DH:
 SIP Proprietary Encryption: Yes*/No. When disabled, SIP calls with XT Series terminals where
TLS is not supported or enabled will not be encrypted. It is suggested to upgrade XT Series
systems and to enable TLS in SIP to guarantee maximum security.
 Audio Alert: Yes*/No. When audio alerts are disabled, participant in a meeting are no longer
alerted with an audio message about the encryption status of the call or of the meeting.
Figure 43: Additional Encryption Preferences
In this version, information about the Encryption algorithm used in a call is displayed in the Statistic
page (Local GUI and Web) and in the call detail record.
Figure 44: Encryption info in Local and Web Interface

SIP Enhancements

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Release Notes for Avaya Scopia® XT Series
o
128, 256 bits*: (default) Both AES 128 and 256 bits Key Lengths are supported.
o
256 bits: only 256 bits AES keys are supported
o
128 bits: only 128 bits AES keys are supported
o
Very High Security: 2048 bits and upper key sizes are accepted.
o
High Security*: (default) 1024 bits and upper key sizes are accepted.
Important
 When SIP Proprietary encryption is enabled, SDP "K=Key" field is used; this may
cause IOT issues with some third-party devices. It is suggested to disable SIP
Proprietary encryption in this case.
Full support of Avaya Session Border Controller for Enterprise (SIPERA SBCE) for
Firewall/NAT traversal.
Proprietary Sip Encryption (See Encryption Preferences)
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