[cisco-voip] overhead paging system integration

[Lelio Fulgenzi]

Mark, we had a similar set up. We had an old ROLM 9000 and used a 'trunk' port and connected it directly to the amplifier. The trunk port controlled call supervision so it would always hang up.

We installed Bogen TAM-B units and used a VG248 port and things worked great. No problems whatsoever. If I'm not mistaken we didn't even change the wires into the amplifier we just punched down right to the same BIX pair. The Bogens are cheaper than the Valcoms and don't need any power. They don't have all the bells and whistles the Valcoms have but we wanted simple.

http://www.bogen.com/products/pdfs/telephonepagepdfs/TAMBs.pdf


-----                                                                -----
Lelio Fulgenzi, B.A.                                  lelio at uoguelph.ca.eh
Network Analyst (CCS)
University of Guelph                             FAX:(519) 767-1060 JNHN
Guelph, Ontario N1G 2W1                          TEL:(519) 824-4120 x56354
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  ----- Original Message ----- 
  From: Mark D. Nagel 
  To: cisco-voip at puck.nether.net 
  Sent: Tuesday, July 26, 2005 5:35 PM
  Subject: [cisco-voip] overhead paging system integration


  After having exhausted all my normal avenues of research (including
  TAC), I thought perhaps someone here has run into the same problem I'm
  currently tackling.  I have a site recently migrated to CCM from an
  older Siemens PBX.  The site has a custom overhead paging system that is
  as simple as can be imagined -- tip and ring link to speakers and when
  this is connected to with the old system, voice is transmitted over the
  paging system.  We initially thought we could just link to an ATA-186 or
  an FXS port, but this thing looks like it is off-hook constantly, so you
  can't only do that.  I also tried to put a Valcom V-9940 Paging Adapter
  in the middle, but my layer 1 skills are limited and the solution failed
  (I may have selected the wrong wiring configuration).  My question to
  the list is, has anyone come up with a method to link CCM into overhead
  paging systems, and if so, would you be willing to share your solution?

  Thank you,
  Mark

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