Reference Guide  448  Document #: LTRT-17939 
  Mediant MSBR 
68.3  external-media-source 
This command configures the External Media Source table, which defines an external media 
source for playing Music on Hold (MoH) to call parties that have been placed on-hold. 
Syntax 
(config-voip)# sbc external-media-source <Index> 
(external-media-source-<Index>)#  
 
Command  Description 
Index  Defines the table row index. Only Index 0 is supported. 
dst-uri 
Defines the destination URI (user@host) of the SIP To 
header contained in the INVITE message that the device 
sends to the external media source. 
Assigns an IP Group from the IP Groups table. 
src-uri 
Defines the source URI (user@host) of the SIP From 
header contained in the INVITE message that the device 
sends to the external media source. 
Command Mode 
Privileged User 
Example 
This example configures a Malicious Signature for the SIP scan attack: 
(config-voip)# sbc sbc external-media-source 0 
(external-media-source-0)# ip-group-name MoH-Player 
(external-media-source-0)# activate 
 
68.4  malicious-signature-database 
This command configures the Malicious Signature table, which lets you define Malicious 
Signature patterns. 
Syntax 
(config-voip)# sbc malicious-signature-database <Index> 
(malicious-signature-database-<Index>)# 
 
Command  Description 
name 
Defines a descriptive name, which is used when 
associating the row in other tables. 
Defines the signature pattern.