40 SBC session border controllers
Operating memory is low. 3 levels of alarm possible —
warning (less than 25% of free memory left), alarm (less than
10%), critical alarm (less than 5%)
Failed to send CDR files via FTP
Problem with sending a CDR file to an FTP server
Alarm Indication
– Fans operation — when the flag is set, a fan failure alarm will be generated in the control system;
– CPU load — when the flag is set, a high CPU load alarm will be generated in the control system;
– RAM usage — when the flag is set, an alarm on running out of free RAM will be generated in the control
system;
– Local disk drive free space — when the flag is set, an alarm on running out of free space on external drives
will be generated in the control system;
– Alarms from slave device — when the flag is set, the above alarms will be sent to the control system from a
redundant device;
– Slave device connection — when the flag is set, alarms on no communication with a redundant device on
the local and global links will be sent to the control system;
– Restricting INVITE request processing — when the flag is set, alarms on exceeding the maximum number of
simultaneous INVITE requests set under "SBC requests processing restrictions" will be sent to the control
system;
– Restricting SUBSCRIBE request processing — when the flag is set, alarms on exceeding the maximum num-
ber of simultaneous SUBSCRIBE requests set under "SBC requests processing restrictions" will be sent to the
control system;
– Restricting other request processing — when the flag is set, alarms on exceeding the maximum number of
simultaneous requests other than INVITE and SUBSCRIBE will be sent to the control system.
SBC requests processing restrictions
– INVITE requests, per 3 sec — the number of INVITE requests processed within three seconds. If more
requests are received, those exceeding the threshold will not be processed;
– SUBSCRIBE requests, per 3 sec — the number of SUBSCRIBE requests processed within three seconds. If
more requests are received, those exceeding the threshold will not be processed;
– Other requests, per 3 sec — the number of requests other than INVITE and SUBSCRIBE processed within
three seconds. If more requests are received, those exceeding the threshold will not be processed;
– Security timeout for calls without media, min — the time interval after which a call established between the
devices will be rejected if no RTP packets are transmitted between them over the speaking channel.
SIP settings
– Enable SIP call statistics — enables the maintenance of call statistics. Statistics are displayed in the "SIP
Statistics" monitoring section;
– Pass the '#' character without encoding — when enabled, SBC sends the '#' character as '#' to the outgoing
leg and when disabled it sends it as '%23'.
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