[cisco-voip] FXS or FXO?

[Ryan Ratliff]

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>
To: "Lelio Fulgenzi" <lelio at uoguelph.ca>, "Edward Countryman" <Edward.Countryman at provena.org>
Cc: 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] On Behalf Of Lelio Fulgenzi
Sent: April-29-11 1:07 PM
To: Edward Countryman
Cc: 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>
To: 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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