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Community Member

FXO Trunking Issues

I have a cme router that is utilizing 7 FXO ports in a trunk. See output below:

Port 0/1/2 is the main incoming number. The problem is that when a call comes in, it will seize that port, and any additional calls will come in and get a RNA. Anyone have any thoughts?

voice-port 0/0/0

trunk-group all 3

input gain 2

output attenuation -1

connection plar 602

description HWIC 0, Port 0,

caller-id enable

!

voice-port 0/0/1

trunk-group all 2

input gain 2

output attenuation -1

connection plar 602

description HWIC 0, Port 1,

caller-id enable

!

voice-port 0/0/2

trunk-group all 1

input gain 2

output attenuation -1

connection plar 602

description HWIC 0, Port 2,

caller-id enable

!

voice-port 0/0/3

trunk-group all 7

input gain 2

output attenuation -1

connection plar 602

description HWIC 0, Port 3,

caller-id enable

!

voice-port 0/1/0

trunk-group all 6

input gain 2

output attenuation -1

connection plar 602

description HWIC 1, Port 0,

caller-id enable

!

voice-port 0/1/1

trunk-group all 5

input gain 2

output attenuation -1

connection plar 602

description HWIC 1, Port 1,

caller-id enable

!

voice-port 0/1/2

trunk-group all 64

supervisory disconnect anytone

input gain 2

output attenuation -1

connection plar 602

description HWIC 1, Port 2,

caller-id enable

1 REPLY
Community Member

Re: FXO Trunking Issues

You cannot control Incoming calls with trunk-group hunting. Trunk-groups only control calls orginating from this gateway. You need to call your provider to have them either setup a hunt-group for you or tell you how it is setup if it exists already.

Then, you should configure the outgoing trunk-group with these priority numbers to be opposite of the incoming calls to avoid glare.

So, if 0/1/2 is the first incoming port it should be the last in line for outgoing calls.

ie "trunk-group all 7" or higher if you chose. The point is that you want to keep it open as much as possible.

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