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New Member

FXO lines - not able to make outgoings calls

Hi,

We are having one PRI line line terminated on Cisco 3845 rtr.Its works fine without any issue.We have just recently came up with 8 analog lines terminated on 2 FXO cards.We wanted to give FXO lines the first preference & PRI lines the second preference.

But somehow the calls are not going through the FXO lines.

1.We would like to know whether the configurations are correct.I have attached the template used for configuring FXO & the existing bkp without FXO line configuration.

2.We would like to know what type of cable is required as we have RJ11s at the patch panel & the voice router end.Do we need to use STRAIGHT RG11 cable or ROLLED RJ11 cable.

Rgds./

Sachin

8 REPLIES
New Member

Re: FXO lines - not able to make outgoings calls

Looks like you are using the default preference on the PRI (0) so it will take that one before it hits the FXOs.

You just need a straight rj11 base cord.

I would also recommend using the trunk group command. It is much cleaner config.

voice-port 0/2/3

trunk-group PSTN_FXO 1

timing hookflash-out 500

connection plar 100

!

voice-port 0/3/0

trunk-group PSTN_FXO 2

timing hookflash-out 500

connection plar 100

!

voice-port 0/3/1

trunk-group PSTN_FXO 3

timing hookflash-out 500

connection plar 100

!

voice-port 0/3/2

trunk-group PSTN_FXO 4

timing hookflash-out 500

connection plar 100

!

voice-port 0/3/3

trunk-group PSTN_FXO 5

timing hookflash-out 500

connection plar 100

!

dial-peer voice 1000 pots

trunkgroup PSTN_FXO

destination-pattern 9T

Hope this helps.

Jason

New Member

Re: FXO lines - not able to make outgoings calls

Thanks Jason for the update.

So, do we need to use the preference command on FXO ports if we are using trunk-group as I don't see it in your template ?

Rgds./Sachin

Silver

Re: FXO lines - not able to make outgoings calls

I'm not entirely sure what Jason was going after, but in your situation your configs will be a lot cleaner if you combine your FXO voice-ports into the same trunk-group.

# code

trunk group POTS

description POTS trunk group

# you can get really granular here and define hunt schemes as well

voice-port 0/1/0

trunk-group POTS

voice-port 0/1/1

trunk-group POTS

# etc

Then, you can also add your PRI B-Channels into a trunk group as well.

# code

trunk group PRI

description PRI trunk group

# you can also do this under the controller t1 section

voice-port 0/0/0:15

trunk-group PRI

Then you can define a single dial-peer per pattern, preferencing the POTS over the PRI trunk-groups as follows.

# code

dial-peer voice 1 pots

destination-pattern 9T

trunkgroup POTS 1

trunkgroup PRI 2

# with the 1 & 2 being the preferencing order

Hope that helps,

Will

New Member

Re: FXO lines - not able to make outgoings calls

trunk-group PSTN_FXO 3

The number after the tag is the preference within the trunk group. You could use a single trunk group if you wish.

trunk group PSTN

voice-port 0/1/0

trunk-group PSTN 1

!

voice-port 0/1/1

trunk-group PSTN 2

!

voice-port 0/0/0:15

trunk-group PSTN 100

!

dial-peer voice 1 pots

destination-pattern 9T

trunkgroup PSTN

Just a different way to skin a cat.

Jason

Silver

Re: FXO lines - not able to make outgoings calls

Nice! I don't mean to hijack this thread, but I didn't realize that there was a preference parameter there. That's pretty neat.

cheers,

Will

New Member

Re: FXO lines - not able to make outgoings calls

Hi Jason,

Thanks for the update.

Why do we require the foll. commands

1.timing hookflash-out 500

2.connection plar 100

Rgds.,

Sachin

New Member

Re: FXO lines - not able to make outgoings calls

timing hookflash-out 500

This is just the hookflash timer I find works best with my 1FBs.

connection plar 100

This is the extension that my POTS line rings down to. With regualar POTS lines there is no DID like there is with digital lines so you have to tell the router what extension to ring. You don't have to specify a PLAR if you are using MGCP but you do if you are using h323 natively or h323 fallback in SRST you definitely need to specify a PLAR. The only exception to this is if you are using analog DID in which case you can't place outbound calls on them.

Hope this helps.

Jason

New Member

Re: FXO lines - not able to make outgoings calls

Hi Jason,

I am using CCME.Do we require plar in that case?

Rgds./Sachin

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