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dmoservice



Joined: 13 Jun 2011
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PostPosted: Mon Jun 13, 2011 2:30 pm    Post subject: SCO Unix question Reply with quote

I'm running an old SCO Unix (5.06) application that currently "pages out" via TAPI 1.1 protocol using a dial up modem. Will your app (installed on a win2003 server with a direct serial connection "trick" the unix modem into thinking it has successfully connected so it will submit the info to it and save it as a file? This file would then be run thru a perl script and converted to XML to be sent to a https:www.xxxxxxxxx.com website with the required user authentication.... ?? My problem is the SCO Box application only wants to communicate with another modem......


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Tech Support



Joined: 25 Aug 2003
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PostPosted: Mon Jun 13, 2011 2:55 pm    Post subject: Reply with quote

Hmm... unfortunately, not that I can think of. There really isn't a way to trick a modem into believing it's handshaking without actually having it handshake with another modem. You can use a serial cable to connect the two, that's not a problem but if the modem is expecting the modem connection sequence in response, there's no way for a serial port of any variety to approximate that. Really, the only way to get it to do what you want would be to connect a modem and phone line to the PC and have PageGate's GetTAP module monitor the modem. Then tell your sending modem to dial whatever number is plugged in to the modem PageGate's GetTAP module is monitoring.



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OzCom



Joined: 22 Oct 2003
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Location: US

PostPosted: Mon Jun 13, 2011 4:08 pm    Post subject: Reply with quote

We have done exactly this in many callcenters nationwide. The trick is to use the getTAP module to watch a serial port and set the init string to "direct"

Tell your SENDING system that IT is using TAP DIRECT CONNECT

Use a NULL modem cable (NOT a straight through Serial cable) to connect the ports on the SENDING and RECEIVING system.

Your SENDING system will think it is directly connected to a locally installed paging terminal

Remember that, when the TAP spec was first written, the intention was to use it for DIRECT SERIAL CONNECTION to a paging terminal.



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Aaron D. Osgood
Streamline Communications, LLC
* Authorized Notepage, Inc. Development Partner and Re-seller
TEL: 207-518-8455
AOsgood@streamline-solutions.net
Creators of AutoPage Spillman CAD interface for PageGate


Last edited by OzCom on Mon Jun 13, 2011 4:32 pm; edited 1 time in total
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Tech Support



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PostPosted: Mon Jun 13, 2011 4:10 pm    Post subject: Reply with quote

Wait... you CAN actually trick a modem into passing over TAP without handshaking first? I thought that was limited to direct serial connections between a transmitter and a computer. I thought if a modem was in any stage of the process, you had to do dialup because of the modem's requirement for a handshake?



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OzCom



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PostPosted: Mon Jun 13, 2011 4:31 pm    Post subject: Reply with quote

Yes - the "Handshake" is supplied by PageGate through the serial port.

Here is an example of a PageGate with getTAP pulling TAP data in via NULL modem serial:

6/13/2011 1:27:28 AM New connection accepted
6/13/2011 1:27:28 AM Sending protocol identifier
6/13/2011 1:27:30 AM Received:<CR>
6/13/2011 1:27:30 AM Sent:ID=
6/13/2011 1:27:30 AM Received:<CR><ESC>PG10000
6/13/2011 1:27:30 AM Received request for automatic TAP mode
6/13/2011 1:27:30 AM Sent:<CR><ACK><CR>
6/13/2011 1:27:30 AM Sent:<ESC>[p<CR>
6/13/2011 1:27:30 AM TAP in progress, waiting for data block
6/13/2011 1:27:30 AM Received:00<CR><STX>pinoridhere<CR>0393 AL OB PT REDACTED REDACTED SAME xxx-xxx-xxxx OB 38WKS BURNING ITICHING SENSATION WITH BUMPS, SHE IS CONCERNED PLEASE CALL xxx-xxx-xxxx ACCT 1234 PG 5 <CR><ETX>9:><CR>
6/13/2011 1:27:30 AM Data block received
6/13/2011 1:27:30 AM Sent:<CR><ACK><CR>
6/13/2011 1:27:30 AM Message accepted. Recipient: adhoc_sms
6/13/2011 1:27:30 AM Received:<EOT><CR>
6/13/2011 1:27:30 AM Sent:<ESC><EOT><CR>

In this example, the SENDING system THINKS it is sending an alphanumeric page to a paging company terminal. PageGate emulates the terminal to take the message and tell the sending system that it is done. PageGate then reads the ID/PIN and retransmits the text to a cellular phone as an SMS (using an attached supplied cellular modem). In this case, a copy of the message is also wrotten to a text file for use by another internal legacy system.



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Aaron D. Osgood
Streamline Communications, LLC
* Authorized Notepage, Inc. Development Partner and Re-seller
TEL: 207-518-8455
AOsgood@streamline-solutions.net
Creators of AutoPage Spillman CAD interface for PageGate
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OzCom



Joined: 22 Oct 2003
Posts: 1087
Location: US

PostPosted: Mon Jun 13, 2011 4:44 pm    Post subject: Reply with quote

The NULL modem cable REPLACES the actual modem and directly connects the 2 serial ports



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Aaron D. Osgood
Streamline Communications, LLC
* Authorized Notepage, Inc. Development Partner and Re-seller
TEL: 207-518-8455
AOsgood@streamline-solutions.net
Creators of AutoPage Spillman CAD interface for PageGate
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