[cisco-voip] FXS or FXO?

Fri Apr 29 16:30:42 EDT 2011

So to be clear, in my scenario... The CISCO port would be "emulating" an
analog handset to the Avaya.

I guess that's where my confusion comes in; in that a CISCO FXO port is
normally expecting to see a CO, not a station.    

The Avaya station port will be expecting to see an analog handset, so my
CISCO side needs to be able to act like that.

So the consensus is FXO port on the CISCO side?

From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Norton, Mike
Sent: Friday, April 29, 2011 2:58 PM
To: Ryan Ratliff; Lelio Fulgenzi
Cc: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] FXS or FXO?

I guess it depends on what you define "routing" as. Yes you can send
ring voltage out an FXS port, but all that tells the other side is to
ring because there's a call. It doesn't tell it where to send the call
so I wouldn't classify sending ring voltage to be routing a call.

-- 

Mike Norton

I.T. Support

Peace Wapiti School Division No. 76

Helpdesk: 780-831-3080

Direct: 780-831-3076

From: Ryan Ratliff [mailto:rratliff at cisco.com] 
Sent: April-29-11 1:38 PM
To: Lelio Fulgenzi
Cc: Norton, Mike; cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] FXS or FXO?

You can send calls in both directions (just as you can send and receive
calls on your land line at home, which is essentially an FXO).

The FXS port can route calls, at least in the manner that it provides
dialtone and receives digits.

The FXO port is just told to ring but can send digits when making an
outbound call.

-Ryan

On Apr 29, 2011, at 3:18 PM, Lelio Fulgenzi wrote:

ya learn something new every day! ;)

although i'm sure i'll forget this.

can you route out an FXS port though? i guess that's where i'm confused.

________________________________

From: "Mike Norton" <mikenorton at pwsd76.ab.ca
<mailto:mikenorton at pwsd76.ab.ca> >
To: "Lelio Fulgenzi" <lelio at uoguelph.ca <mailto:lelio at uoguelph.ca> >,
"Edward Countryman" <Edward.Countryman at provena.org
<mailto:Edward.Countryman at provena.org> >
Cc: cisco-voip at puck.nether.net <mailto:cisco-voip at puck.nether.net> 
Sent: Friday, April 29, 2011 3:14:08 PM
Subject: RE: [cisco-voip] FXS or FXO?

Um... no. Like ports do not connect. One sides needs to provide battery
and dialtone, and one sides needs to accept battery and dialtone. Always
office ports to station ports.

In this scenario, since the Avaya is provide the station port, you need
an office port on the Cisco.

--

Mike Norton

I.T. Support

Peace Wapiti School Division No. 76

Helpdesk: 780-831-3080

Direct: 780-831-3076

From: cisco-voip-bounces at puck.nether.net
<mailto:cisco-voip-bounces at puck.nether.net>
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Lelio Fulgenzi
Sent: April-29-11 1:07 PM
To: Edward Countryman
Cc: cisco-voip at puck.nether.net <mailto:cisco-voip at puck.nether.net> 
Subject: Re: [cisco-voip] FXS or FXO?

If what you're trying to do is this:

avaya:FXS <-----> FX?:Cisco

I don't think you can.

an FXS port is just that, a station port.

I believe you have to do this:

avaya:FXO <-----> FXO:Cisco

There _may_ be FXS/FXO converters out there from the likes of Viking,
etc. but I think FXO to FXO is what you want/need.

---
Lelio Fulgenzi, B.A.
Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
(519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Cooking with unix is easy. You just sed it and forget it. 
                              - LFJ (with apologies to Mr. Popeil)

________________________________

From: "Edward Countryman" <Edward.Countryman at provena.org
<mailto:Edward.Countryman at provena.org> >
To: cisco-voip at puck.nether.net <mailto:cisco-voip at puck.nether.net> 
Sent: Friday, April 29, 2011 2:55:00 PM
Subject: [cisco-voip] FXS or FXO?

Looking for a quick answer on something.

For a specific scenario, I need to route calls from Cisco to an analog
"station port" on one of my Avaya's.

Question is; do I need an FXO or an FXS in my router to accomplish this?

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