[cisco-voip] FXO port to Viking C-1000B door entry controller

Norton, Mike mikenorton at pwsd76.ab.ca
Mon Jul 4 19:09:44 EDT 2016


I've been working on an old analog paging controller this afternoon, so I've been trudging around in the docs for FXS/FXO commands...

I have a pretty good hunch that "no battery-reversal" should take care of your issue. The debug lines you shared initially indicate that the FXO port is hanging up because it is sensing that the answer supervision signal (reversed voltage) went away (that's the "normal_battery" part).

"no battery-reversal" will disable answer supervision.

-mn

From: cisco-voip [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Norton, Mike
Sent: July-04-16 3:41 PM
To: Damisch, Kevin <Kevin.Damisch at oneneck.com>; Ryan Huff <ryanhuff at outlook.com>; Wes Sisk (wsisk) <wsisk at cisco.com>
Cc: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] FXO port to Viking C-1000B door entry controller

Re-reading the thread, I noticed something...

"no supervisory disconnect signal" actually *enables* tone-based disconnect supervision for *any tone*. Definitely not what you want!!!

The "no" part of that command is that you are disabling power-denial disconnect signaling. In other words, it is a toggle between power-denial signaling or tone signaling.

Not sure what IOS version you're on but at some point Cisco renamed the command to make it more clear.

https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/voice/vcr4/vcr4-cr-book/vcr-s12.html#wp1525047420

"[supervisory disconnect anytone] replaces the no supervisory disconnect signal command. If you enter this command, the supervisory disconnect anytone feature is enabled, and the message supervisory disconnect anytone is displayed when show commands are entered."

-mn


From: cisco-voip [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Damisch, Kevin
Sent: June-30-16 12:06 AM
To: Ryan Huff <ryanhuff at outlook.com<mailto:ryanhuff at outlook.com>>; Wes Sisk (wsisk) <wsisk at cisco.com<mailto:wsisk at cisco.com>>
Cc: cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>
Subject: Re: [cisco-voip] FXO port to Viking C-1000B door entry controller

Ryan - the voice port is set to impedance 600r already.

Wes - I'll try "no supervisory disconnect signal" and see what happens.

Thanks!
Kevin
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