Cisco TelePresence Administrator's Manual page 407

Reference material
SIP Authentication NTLM SA Lifetime: <30..43200>
Specifies the lifetime of NTLM security associations in seconds.
Default: 28800
Example: xConfiguration SIP Authentication NTLM SA Lifetime: 28800
SIP Authentication NTLM SA Limit: <1..65535>
Maximum number of NTLM security associations to store.
Default: 10000
Example: xConfiguration SIP Authentication NTLM SA Limit: 10000
SIP Authentication Retry Limit: <1..16>
The number of times a SIP UA will be challenged due to authentication failure before receiving a 403 Forbidden
response.
Default: 3
Example: xConfiguration SIP Authentication Retry Limit: 3
Services AdvancedMediaGateway Policy Mode: <On/Off>
Controls whether the policy rules are used to control access to the Advanced Media Gateway.
Default: Off
Example: xConfiguration Services AdvancedMediaGateway Policy Mode: On
Services AdvancedMediaGateway Policy Rules Rule [1..200] Action: <Allow/Deny>
The action to take if the source or destination alias of the call matches this policy rule.
Allow: the call can connect via the Advanced Media Gateway.
Deny: the call can connect but it will not use Advanced Media Gateway resources.
Default: Allow
Example: xConfiguration Services AdvancedMediaGateway Policy Rules Rule 1 Action: Allow
Services AdvancedMediaGateway Policy Rules Rule [1..200] Description: <S: 0,64>
A free-form description of the Advanced Media Gateway policy rule.
Example: xConfiguration Services AdvancedMediaGateway Policy Rules Rule 1 Description:
"Deny all calls to branch office"
Services AdvancedMediaGateway Policy Rules Rule [1..200] Name: <S: 0,50>
Assigns a name to this Advanced Media Gateway policy rule.
Example: xConfiguration Services AdvancedMediaGateway Policy Rules Rule 1 Name: "Deny
branch calls"
Services AdvancedMediaGateway Policy Rules Rule [1..200] Pattern String: <S: 0,60>
The pattern against which the alias is compared.
Example: xConfiguration Services AdvancedMediaGateway Policy Rules Rule 1 Pattern
String: ".branch@example.com"
Cisco VCS Administrator Guide (X7.1) Page 407 of 479