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90
Polarity
Reversal
First
Ring
CAS
(DTAS)
DTMF/
FSK
Polarity
Reversal
CAS
(DTAS)
FSK
CAS
(DTAS)
Wait For
ACK
FSK
First
Ring
FSK
OSI
FSK
a) Bellcore/ETSI Onhook Post-Ring FSK
d) Bellcore Onhook FSK w/o Ring
f) Bellcore/ETSI Offhook FSK
c) ETSI Onhook Pre-Ring FSK/DTMF
e) ETSI Onhook FSK w/o Ring
DTMF
b) ETSI Onhook Post-Ring DTMF
First
Ring
Figure: SPA Caller ID Delivery Architecture
3.6.
Call Statistics Reporting
The following lists the statistics collected by the SPA during normal operation. These statistics are
presented in the SPA web-page (under the “Info” tab). Line status is reported for each line (1 and 2).
Each line maintains up to 2 calls: Call 1 and 2.
System Status
Current Time
Current time and date. E.g., 10/3/2003 16:43:00
Elapsed Time
Total time elapsed since last reboot. E.g., 25 days and 18:12:36
Broadcast Pkts Sent
Total number of broadcast packets sent
Broadcast Pkts Recv
Total number of broadcast packets received
Broadcast Bytes Sent
Total number of broadcast bytes sent
Broadcast Bytes Recv
Total number of broadcast bytes received and processed
Broadcast Packets Dropped
Total number of broadcast packets received but not processed
Broadcast Bytes Dropped
Total number of broadcast bytes received but not processed
RTP Packets Sent
Total number of RTP packets sent (including redundant packets)
RTP Packets Received
Total number of RTP packets received (including redundant packets)
RTP Bytes Sent
Total number of RTP bytes sent
RTP Bytes Received
Total number of RTP bytes received
SIP Messages Sent
Total number of SIP messages sent (including retransmissions)
SIP Messages Received
Total number of SIP messages received (including retransmissions)
SIP Bytes Sent
Total number of bytes of SIP messages sent (including retransmissions)
SIP Bytes Received
Total number of bytes of SIP messages received (including retransmissions)
External IP
External IP address used for NAT mapping
Line 1/2 Status
Hook State
State of the hook switch: On or Off
Registration State
Registration state of the line: Not Registered, Registered or Failed
Last Registration At
Local time of the last successful registration
Next Registration In
Number of seconds before the next registration renewal
Message Waiting
Indicate whether new voice mails available: Yes or No
