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Cisco Cisco DX70 Maintenance Manual

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D15362.01 DX70 and DX80 Administrator Guide CE8.2, JUNE 2016.  
www.cisco.com — Copyright © 2016 Cisco Systems, Inc. All rights reserved. 
60
Cisco DX70 and DX80
 Administrator Guide
H323 Encryption KeySize
Define the minimum or maximum key size for the Diffie-Hellman key exchange method, 
which is used when establishing the Advanced Encryption Standard (AES) encryption key.
Requires user role: ADMIN
Default value: Max1024bit
Value space: Min1024bit/Max1024bit/Min2048bit
Min1024bit: The minimum size is 1024 bit.
Max1024bit: The maximum size is 1024 bit.
Min2048bit: The minimum size is 2048 bit.
H323 Gatekeeper Address
Define the IP address of the Gatekeeper. Requires H323 CallSetup Mode to be set to 
Gatekeeper.
Requires user role: ADMIN
Default value: ""
Value space: String (0, 255)
A valid IPv4 address, IPv6 address or DNS name.
H323 H323Alias E164
The H.323 Alias E.164 defines the address of the system, according to the numbering plan 
implemented in the H.323 Gatekeeper. The E.164 alias is equivalent to a telephone number, 
sometimes combined with access codes.
Requires user role: ADMIN
Default value: ""
Value space: String (0, 30)
The H.323 Alias E.164 address. Valid characters are 0-9, * and #.
H323 H323Alias ID
Define the H.323 Alias ID, which is used to address the system on a H.323 Gatekeeper and 
will be displayed in the call lists.
Requires user role: ADMIN
Default value: ""
Value space: String (0, 49)
The H.323 Alias ID. Example: "firstname.lastname@company.com", "My H.323 Alias ID"
H323 NAT Mode
The firewall traversal technology creates a secure path through the firewall barrier, and 
enables proper exchange of audio/video data when connected to an external video 
conferencing system (when the IP traffic goes through a NAT router). NOTE: NAT does not 
work in conjunction with gatekeepers.
Requires user role: ADMIN
Default value: Off
Value space: Auto/Off/On
Auto: The system will determine if the H323 NAT Address or the real IP address should 
be used in signaling. This makes it possible to place calls to endpoints on the LAN as 
well as endpoints on the WAN. If the H323 NAT Address is wrong or not set, the real IP 
address will be used.
Off: The system will signal the real IP address.
On: The system will signal the configured H323 NAT Address instead of its real IP 
address in Q.931 and H.245. The NAT server address will be shown in the startup-menu 
as: "My IP Address: 10.0.2.1". If the H323 NAT Address is wrong or not set, H.323 calls 
cannot be set up.
Introduction
Configuration
Peripherals
Maintenance
System settings
Appendices
System settings