The SIS records the following statistics about SIP transactions in the SIP stack.
- Active client transactions — clientTransactionsActive
 - Client transactions completed successfully — clientTransactionsCompleted2xx
 - Client transactions completed with a redirect response — clientTransactionsCompleted3xx
 - Client transactions completed with an error response — clientTransactionsCompletedError
 - Failed client transactions — clientTransactionsFailed
 - Timed out client transactions — clientTransactionsFailedTimeout
 - Retransmits sent on client transactions — clientTransactionsRetransmits
 - Active server transactions — serverTransactionsActive
 - Server transactions completed successfully — serverTransactionsCompleted2xx
 - Server transactions completed with a redirect response — serverTransactionsCompleted3xx
 - Server transactions completed with an error response — serverTransactionsCompletedError
 - Failed server transactions — serverTransactionsFailed
 - Timed out server transactions — serverTransactionsFailedTimeout
 - Retransmits sent on server transactions — serverTransactionsRetransmits
 
Active client transactions — clientTransactionsActive
Records the total number of…  | 
…client transactions currently in progress.  | 
|---|---|
Increments…  | 
…when a client transaction is created to send a request.  | 
Decrements…  | 
…when a client transaction is terminated (as per RFC3261 §17.1).  | 
Default rhino-stats view  | 
gauge  | 
Client transactions completed successfully — clientTransactionsCompleted2xx
Records the total number of…  | 
…client transactions that completed successfully by receiving a 2xx response.  | 
|---|---|
Increments…  | 
…when a client transaction receives a 2xx final response.  | 
Decrements…  | 
…never.  | 
Default rhino-stats view  | 
delta  | 
Client transactions completed with a redirect response — clientTransactionsCompleted3xx
Records the total number of…  | 
…client transactions that completed by receiving a 3xx redirect response.  | 
|---|---|
Increments…  | 
…when a client transaction receives a 3xx final response.  | 
Decrements…  | 
…never.  | 
Default rhino-stats view  | 
delta  | 
Client transactions completed with an error response — clientTransactionsCompletedError
Records the total number of…  | 
…client transactions that completed by receiving a 4xx-6xx error response.  | 
|---|---|
Increments…  | 
…when a client transaction receives a 4xx-6xx final response.  | 
Decrements…  | 
…never.  | 
Default rhino-stats view  | 
delta  | 
Failed client transactions — clientTransactionsFailed
Records the total number of…  | 
…client transactions that failed due to an internal error.  | 
|---|---|
Increments…  | 
…when a client transaction fails due to an error, such as an   | 
Decrements…  | 
…never.  | 
Default rhino-stats view  | 
delta  | 
Timed out client transactions — clientTransactionsFailedTimeout
Records the total number of…  | 
…client transactions that timed out waiting for a final response.  | 
|---|---|
Increments…  | 
…when a client transaction’s final response timer expires (Timer B or Timer F in RFC3261 §17.1).  | 
Decrements…  | 
…never.  | 
Default rhino-stats view  | 
delta  | 
Retransmits sent on client transactions — clientTransactionsRetransmits
Records the total number of…  | 
…retransmitted requests sent on client transactions, while waiting for a response.  | 
|---|---|
Increments…  | 
…when a client transaction’s retransmit timer expires (Timer A or Timer E in RFC3261 §17.1).  | 
Decrements…  | 
…never.  | 
Default rhino-stats view  | 
delta  | 
Active server transactions — serverTransactionsActive
Records the total number of…  | 
…server transactions currently in progress.  | 
|---|---|
Increments…  | 
…when a server transaction is created to handle an incoming request.  | 
Increments…  | 
…when a server transaction is terminated (as per RFC3261 §17.2).  | 
Default rhino-stats view  | 
gauge  | 
Server transactions completed successfully — serverTransactionsCompleted2xx
Records the total number of…  | 
…server transactions that completed successfully by sending a 2xx response.  | 
|---|---|
Increments…  | 
…when a 2xx final response is sent on a server transaction.  | 
Decrements…  | 
…never.  | 
Default rhino-stats view  | 
delta  | 
Server transactions completed with a redirect response — serverTransactionsCompleted3xx
Records the total number of…  | 
…server transactions that completed by sending a 3xx redirect response.  | 
|---|---|
Increments…  | 
…when a 3xx final response is sent on a server transaction.  | 
Decrements…  | 
…never.  | 
Default rhino-stats view  | 
delta  | 
Server transactions completed with an error response — serverTransactionsCompletedError
Records the total number of…  | 
…server transactions that completed by sending a 4xx-6xx error response.  | 
|---|---|
Increments…  | 
…when a 4xx-6xx final response is sent on a server transaction.  | 
Decrements…  | 
…never.  | 
Default rhino-stats view  | 
delta  | 
Failed server transactions — serverTransactionsFailed
Records the total number of…  | 
…server transactions that failed due to an internal error.  | 
|---|---|
Increments…  | 
…when a server transaction fails due to an error, such as an   | 
Decrements…  | 
…never.  | 
Default rhino-stats view  | 
delta  | 
Timed out server transactions — serverTransactionsFailedTimeout
Records the total number of…  | 
…server transactions that timed out waiting for an ACK.  | 
|---|---|
Increments…  | 
…when a server transaction’s ACK timer expires (Timer H in RFC3261 §17.2).  | 
Decrements…  | 
…never.  | 
Default rhino-stats view  | 
delta  | 
Retransmits sent on server transactions — serverTransactionsRetransmits
Records the total number of…  | 
…retransmitted responses sent on server transactions.  | 
|---|---|
Increments…  | 
…when a server transaction retransmits its response, because it received a retransmitted request.  | 
Decrements…  | 
…never.  | 
Default rhino-stats view  | 
delta  | 
