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TeleBoss 850 2.06.280_STD User Manual
Page 137
Avaya
– Reliable Session Protocol
Definition
Reliable Session Protocol (RSP) is Avaya's solution to the problem of lost connections while transferring valuable call
record data. This protocol is used on both the client (PBX) and server (Data-Link) sides to ensure that if the data
connection breaks, no records are lost. This is accomplished by the devices repeatedly checking in with one another.
If the connection is lost, an alarm sent out by the Data-Link (and the PBX if so configured), and the PBX will begin to
buffer its own data until the connection is restored.
Commands
Command
Function
IPRC or IPRC STATUS or IPRC ?
Displays a status report of the active IPRC mode.
IPRC PORT n
Changes the TCP port on which to listen for RSP connections.
IPRC RESET
Manually disconnects the current session (if connected), closes
the socket (if established), and reinitializes the server.
Status Display
The IPRC command brings up a status report similar to the following report for RSP:
RSP Server
Status: Listening on port 9000
SAMs tx : 0
ACKs tx : 0
SDMs tx : 0
SCMs rx : 0
New data rx : 0
Blocks rx : 0
Dup. blocks rx : 0
IPRC Terms
The following terms are used in the status display accessed by the IPRC command for RSP:
Term
Meaning
SAM (Session Accept Message)
A message transmitted by the Data-Link to acknowledge
the client's Session Connect Message.
ACK (session Acknowledgement
message)
A response transmitted by the Data-Link to acknowledge
data blocks.
SDM (Session Disconnect Message)
A command sent from the T850 to terminate the current
session. This happens when the T850 encounters an
anomaly in the protocol or the user resets the server.
SCM (Session Connect Message)
A request transmitted from the client to establish a
session with the T850's IPRC server.
New Data
The number of non-duplicate bytes received by the server.
Blocks
Represents the number of blocks (including duplicates)
received by the unit.
Dup. Blocks
The number of duplicate blocks received by the unit. If this
number is high relative to the number of blocks received,
either the SPDU Response Timer (ST2) on the switch needs
to be increased or the Data-Link is full and needs to be
polled.
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