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What kind of signal needs to go into FXO?

Is it suppose to be outside line? How to configure FXO? I try config FXS side with extension 20, 21. It seems to be working I can call between phones that connect to FXS ports. However, I still having a hard time setting up FXO port.

Newbie,

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newbie
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You may wish to investigate Cisco's Configuring the Voice Interface:

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Cisco's Voice Support Resources:

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and Cisco Voice Information:

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Sincerely,

Brad Reese BradReese.Com Cisco Repair Service Experts

1293 Hendersonville Road, Suite 17 Asheville, North Carolina USA 28803 U.S. Toll Free: 877-549-2680 International: 828-277-7272 Website:
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What we try to accomplish is this

  1. normally we dial 9 to access outside line, but we want to dial 8 or something to access to another router (remote-branch). Are we right about buying 1 fxo-4 Port for adminsite and 1 fxs-4 Port for remote site?
  2. now we manage to call from remote site to admin. the line is just a regular exising line from pbx which have extension 12
  3. we can't call to 20,21 from Admin Site (because admin site's pbx has to such extension) but can call between 20 21 or 20,21 to
12,13,14,15 at Admin Site. We can also dial 99 to get out from admin site.

here is the sample of admin site's config

! voice-port 0/0/0 signal ground start cptone US ! dial-peer voice 1 pots destination pattern .. port 0/0/0 ! dial-peer voice 5 voip destination pattern .. session target ipv4:10.0.10.2 ip qos dscp cs5 media !

here is the sample remote site's config

! voice-port 0/0/0 cptone US dial-peer voice 1 pots destination pattern 20 port 0/0/0 ! ! dial-peer voice 8 voip destination pattern .. session target ipv4:10.0.10.1 ip qos dscp cs5 media ! are we right that using this command? -> ip qos dscp cs5 media

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newbie

FXS = Station side (sends voltage and cptones) FXO = Office side (recieves voltage and cptones)

The FXO port typically will accept an outside line or an analog station from a PBX. You do not need an FXO port for a good working configuration, what are you trying to do?

An example of FXO/FXS use would be:

At HQ run two analog stations into FXO ports Map station 1 (21)to site one and plug it's FXS port into Line1 on their PBX Map station 2 (22)to site two and plug it's FXS port into Line1 on their PBX

from hq, dial x21 and it rings at site 1 from site 1, pick up line 1 and dial x22 to reach site 2 from site 2, pick up line 1 and dial 0 for the receptionist

Wil my 3¢

newbie wrote:

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Wil

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