Matrix ETERNITY NE System Manual 1091
Station Message Detail Recording–Posting
The Station Message Detail Record (SMDR)-Posting feature of SARVAM UCS is used for interfacing the system
with a third party Call Accounting Software (CAS).
When SARVAM UCS is interfaced with a third party Call Accounting Software (CAS) to determine the cost of the
calls made by the extension users, the system uses SMDR-Posting to send to CAS call record details, like number
to which the call was made by the extension user, number of the extension from which the call was made, the date
and time when the call was made, the duration of the call, metering pulses incurred for the call, etc. On receipt of
this information, the CAS calculates the cost of the call for billing.
As different CAS interfaces support different protocols, SARVAM UCS offers the flexibility to send call detail records
using the protocol supported by CAS. SARVAM UCS supports various CAS protocols such as, Holidex, Hobic,
Micros A, Micros B, Comm One, Call-Inn, Bell-HOBIC, XIOX, RSI and others. Each of these are described below.
Each posting protocol has its own handshaking protocol and call record format. You may configure any one of
these, depending upon the protocol supported by the CAS you have interfaced with SARVAM UCS. It is also
possible to customize the posting protocol to match the settings required by the CAS you have interfaced.
SARVAM UCS supports SMDR-Posting on TCP/IP Ethernet port. The CAS is interfaced on the Ethernet port of the
SARVAM UCS. For every outgoing call, call detail record is posted on the Ethernet port.
SMDR-Posting sends outgoing call records only.
SMDR-Posting Protocols
SARVAM UCS supports different posting protocols from the system to CAS. The flow of messages between the
SARVAM UCS and various protocols of CAS Interface (Matrix and Blind Send) are described below.
Matrix
• Positive Response from the CAS
• Negative Response from the CAS
SARVAM UCS to CAS CAS to SARVAM UCS
<STX> -Call Record-<ETX> <BCC>
ACK
SARVAM UCS to CAS CAS to SARVAM UCS
<STX> -Call Record-<ETX> <BCC> and wait for
Response to Data Timeout (sec), default 3 sec.
NAK
Retransmit <STX> -Call Record-<ETX> <BCC>
and wait for Data Transfer Retry Timer (sec) - on
Negative Response, default 3 seconds.
NAK
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