Call accounting and pms interfaces
| Added: 17-12-2008 Author: Jessie Warner Category: Phone Network |
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PMS uses a different interface. The interface is different in how they packaged the call data record. Some accounting systems that were programmed before the call came from manufacturing, while others must be configured onsite. Call accounting system at least use one of three different interfaces: MR (rarely used), and the two leading, discussed here, HB and HX.
PMS-HB. The system requires line feed (LF) before recording the call control of three characters (line feed / LF, carriage return / CR, and form feed / FF) after the call records. PMS-HB system, we must acknowledge one of the three as the last. In the test, can catch the FF installer / technician - FF will send a form feed and paper or tab on the page - look for the data behind the page!
PMS-2 supports HB-way (shaking hands) and 1-way communication between the PMS and call accounting system (CAS). In the 2-way mode, PMS and CAS may know the address or phone that does not know of each note. CAS ordered to send or receive a call that he was the same record or, if not, hold or record a call that must be sent back. Shake hands with the control characters: Mack (ASCII HEX 06) and NAK (ASCII HEX 21) - (or the letters y and n). PMS-HB systems usually do not need to hand-shake, so there is time, the CAS system of records and send the call to think the same is received.
PMS-HX. HX accounting system to ask permission to send a phone call records are ready to ensure the PMS, the first shipment enq (ASCII HEX 05) - an investigation. When ready, the PMS sends Mack (ASCII HEX 06), so the CAS sends STX (ASCII HEX 02) - start-of-the Original - before recording a call, followed by ETX (ASCII HEX 03) - end - Original block check character. PMS block check character allows gender to accurately check the CR received. If he wants to send a note PMS Mack calls the CAS.
This is the best for the installer / technician laptop or monitor using a PMS-to-CAS connections (even better laptop w / internet as HyperTerminal - available on most Windows systems). Some communications packages indicate control characters as icons; enq is a club for example, Ace Mack, etc., often by sending software can be used to control large Ctrl (control button) plus another key. Example: send Mack, press Ctrl and F keys.
After the parameters of communication and shaking hands is a match letters between CAS and PMS, you're up and running! Ring size containers include detailed calculations for the PMS interface protocol. Special media or information technology can often be downloaded from the manufacturer site CAS.
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