| SIP Counters Information |
|
INVITE
|
Number of INVITE requests sent.
|
An INVITE request is sent to invite another user to participate
in a session.
|
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CANCEL
|
Number of CANCEL requests sent.
|
A user can send a CANCEL request to cancel a pending INVITE
request. A CANCEL request has no effect if the SIP server processing
the INVITE had sent a final response for the INVITE before it received
the CANCEL.
|
|
ACK
|
Number of ACK requests sent.
|
The user from whom the INVITE originated sends an ACK request
to confirm reception of the final response to the INVITE request.
|
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BYE
|
Number of BYE requests sent.
|
A user sends a BYE request to abandon a session. A BYE request
from either user automatically terminates the session.
|
|
REGISTER
|
Number of REGISTER requests sent.
|
A user sends a REGISTER request to a SIP registrar server to
inform it of the current location of the user. A SIP registrar server
records all the information it receives in REGISTER requests and makes
this information available to any SIP server attempting to locate
a user.
|
|
OPTIONS
|
Number of OPTIONS requests sent.
|
An OPTION message is used by the User Agent (UA) to obtain information
about the capabilities of the SIP proxy. A server responds with information
about what methods, session description protocols, and message encoding
it supports.
|
|
INFO
|
Number of INFO requests sent.
|
An INFO message is used to communicate mid-session signaling
information along the signaling path for the call.
|
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MESSAGE
|
Number of MESSAGE requests sent.
|
SIP messages consist of requests from a client to a server and
responses to the requests from a server to a client with the purpose
of establishing a session (or a call).
|
|
NOTIFY
|
Number of NOTIFY requests sent.
|
A NOTIFY message is sent to inform subscribers of changes in
state to which the subscriber has a subscription.
|
|
REFER
|
Number of REFER requests sent.
|
A REFER request is used to refer the recipient (identified by
the Request-URI) to a third party by the contact information provided
in the requst.
|
|
SUBSCRIBE
|
Number of SUBSCRIBE requests sent.
|
A SUBSCRIBE request is used to request current state and state
updates from a remote node.
|
|
UPDATE
|
Number of UPDATE requests sent.
|
An UPDATE request is used to create a temporary opening in the
firewall (pinhole) for new or updated Session Description Protocol
(SDP) information. The following header fields are modified: Via,
From, To, Call-ID, Contact, Route, and Record-Route.
|
| SIP Error Counters |
|
Total Pkt-in
|
SIP ALG total packets received.
| |
|
Total Pkt dropped on error
|
Number of packets dropped by the SIP ALG.
| |
|
Transaction error
|
SIP ALG transaction errors.
| |
|
Call error
|
SIP ALG call errors.
| |
|
IP resolve error
|
SIP ALG IP address resolution errors.
| |
|
NAT error
|
SIP ALG NAT errors.
| |
|
Resource manager error
|
SIP ALG resource manager errors.
| |
|
RR header exceeded max
|
Number of times the SIP ALG RR (Record-Route) headers exceeded
the maximum limit.
| |
|
Contact header exceeded max
|
Number of times the SIP ALG contact header exceeded the maximum
limit.
| |
|
Call dropped due to limit
|
SIP ALG calls dropped because of call limits.
| |
|
SIP stack error
|
SIP ALG stack errors.
| |