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Home > Archive > alt.certification.cisco > August 2003 > FXS Help - Call From Either Router Allways Busy
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FXS Help - Call From Either Router Allways Busy
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| GDay Everyone,
Just hoping you all may be able to shed some light
onto this for me. This is the fist time I have tired to configure FXS ports
and its proving to be getting the better of me. I have 2 routers (2610XM)
connected together via a serial back to back. in each of these routers I
have a 2FXS card in each NM-1V module. I have followed a basic configuration
and I get a dial tone in the ear handset but for the life of me I am
continually getting a busy tone from each phone. When the phone is taken off
hook I do get a green light on the vic. Below is the configuration
Router A
hostname Router-A
voice-port 1/0/0
voice-port 1/0/1
dial-peer voice 1 pots
destination-pattern 1111
port 1/0/0
dial-peer voice 2 voip
destination-pattern 2222
session target ipv4:10.1.1.2
interface Serial0/0
ip address 10.1.1.1 255.255.255.0
no fair-queue
Router B
hostname Router-B
voice-port 1/1/0
voice-port 1/1/1
dial-peer voice 1 pots
destination-pattern 2222
port 1/1/0
dial-peer voice 2 voip
destination-pattern 1111
session target ipv4:10.1.1.1
interface Serial0/0
ip address 10.1.1.2 255.255.255.0
no fair-queue
clockrate 4000000
I can ping from either router the other router OK. Any thoughts would be of
great advantage. Thanks for you assistance
John
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| Everyone,
I have found the solution. It was to do with my phones. If
you connect a non US phone to port 0 it wont work  Here is a url that
might help anyone else in the future.
http://www.cisco.com/en/US/tech/tk6...
80094fac.shtml
The information under Pinout Information
Port 0 on a VIC-2FXS is designed to accommodate a US style 2-line phone,
instead of the usual European style 1-line phone.
This means that in addition to pins 3 and 4 being used, pins 2 and 5 are
also monitored. With some phone handsets it is possible that pins 2 and 5
are wired up to allow last number re-call or call-forwarding. If this is the
case, Port 0 on the VIC will assume you have a 2-line phone, and shutdown
port 1.
Hope this helps
John
"John" <homith@hotmail.com> wrote in message
news:3f47455b$0$95051$c30e37c6
@lon-reader.news.telstra.net...
> GDay Everyone,
> Just hoping you all may be able to shed some light
> onto this for me. This is the fist time I have tired to configure FXS
ports
> and its proving to be getting the better of me. I have 2 routers (2610XM)
> connected together via a serial back to back. in each of these routers I
> have a 2FXS card in each NM-1V module. I have followed a basic
configuration
> and I get a dial tone in the ear handset but for the life of me I am
> continually getting a busy tone from each phone. When the phone is taken
off
> hook I do get a green light on the vic. Below is the configuration
>
> Router A
> hostname Router-A
> voice-port 1/0/0
> voice-port 1/0/1
> dial-peer voice 1 pots
> destination-pattern 1111
> port 1/0/0
> dial-peer voice 2 voip
> destination-pattern 2222
> session target ipv4:10.1.1.2
> interface Serial0/0
> ip address 10.1.1.1 255.255.255.0
> no fair-queue
>
> Router B
> hostname Router-B
> voice-port 1/1/0
> voice-port 1/1/1
> dial-peer voice 1 pots
> destination-pattern 2222
> port 1/1/0
> dial-peer voice 2 voip
> destination-pattern 1111
> session target ipv4:10.1.1.1
> interface Serial0/0
> ip address 10.1.1.2 255.255.255.0
> no fair-queue
> clockrate 4000000
>
> I can ping from either router the other router OK. Any thoughts would be
of
> great advantage. Thanks for you assistance
>
> John
>
>
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| Ted Mittelstaedt 2003-08-25, 2:25 am |
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"John" <homith@hotmail.com> wrote in message
news:3f489f6d$0$95047$c30e37c6
@lon-reader.news.telstra.net...
> Everyone,
> I have found the solution. It was to do with my phones. If
> you connect a non US phone to port 0 it wont work Here is a url that
> might help anyone else in the future.
>
http://www.cisco.com/en/US/tech/tk6...
80094fac.shtml
> The information under Pinout Information
> Port 0 on a VIC-2FXS is designed to accommodate a US style 2-line phone,
> instead of the usual European style 1-line phone.
>
> This means that in addition to pins 3 and 4 being used, pins 2 and 5 are
> also monitored.
It is also important to understand that this pinout is for SIX pins on a
RJ11. In the US it is
standard for just about all phone plugs to have pins 1 and 6 not even
present on an RJ-11.
Many jacks and such are labeled pins 1-4, particularly stuff aimed at the
consumer.
Ted
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