Controller t1 voice Configuration

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Apr 8th, 2009
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HI Pros,

I need help to configure a T1 line for voice in Cisco 2801 router.I have the card installed, whenever i try to install the pri-group, the router displays the following errors message

1. Please configure Network clock participate wic 3 first.

2. Insufficient resources to create pri-group, it has been removed.

Any help will be much appreciate and in advance,

Crazy

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Jaime Valencia Wed, 04/08/2009 - 14:38
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do you have enough DSPs for the PRI??


HTH


java


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CrazyDonJuan Wed, 04/08/2009 - 15:08
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I do have 16. Is that enough to enable all the 24 channels of the T1?


cRAZY

Jaime Valencia Wed, 04/08/2009 - 15:11
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ok, do you mean 16 DSPs??

or 16 channels??


the PRI needs 1 channel per DS0. so 24 channels for a full PRI.


HTH


java


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CrazyDonJuan Wed, 04/08/2009 - 15:24
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NOp, I mean that I have 2 DSPs for 16 voice resources. Is that enough DSP for a full t1 or can I just enable up to 14 channel for the t1?


Crazy

Jaime Valencia Wed, 04/08/2009 - 15:33
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ok, 1 DSP = 16 channels

so either you have 1 DSP which means 16 channels, or 2 8PDVMs which are half DSPs.


if you have 2 DSPs then that's 32 channels


in any case, a T1 as i already mentioned requires 1 channel per DS0. so 24 channels required, if you have 16 you cannot use the full T1.


HTH


java


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Vance Krier Thu, 04/09/2009 - 08:26
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This error is a little confusing, because the error in #1 is what #2 is complaining about. You'll get a different error when you don't have enough DSPs...I think it actually says you don't have enough DSPs..


Following is the config for the clocking:


network-clock-participate wic 3

network-clock-select 1 T1 0/3/0


isdn switch-type primary-ni


controller T1 0/3/0

framing esf

linecode b8zs

pri-group timeslots 1-24 service mgcp

exit



Good luck!

Vance

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