Selecting Trunk (ISDN) according to extension

[itistanbul]

Hello,

We have two ISDN PRI voice connections on our CME. They are members of a Trunk Group and in dial-peers this trunk group appears as PORT. for instance:

trunk group XXX

hunt-scheme sequential

interface Serial0/0/0:15

no ip address

encapsulation hdlc

isdn switch-type primary-net5

isdn incoming-voice voice

trunk-group XXX 10

no cdp enable

interface Serial0/0/1:15

no ip address

encapsulation hdlc

isdn switch-type primary-net5

isdn incoming-voice voice

trunk-group XXX 15

no cdp enable

dial-peer voice 10 pots

trunkgroup XXX

translation-profile outgoing YYY

destination-pattern 9T

direct-inward-dial

As you can see from above, for outgoing calls first 0/0/0 is getting selected since the hunt-scheme is sequential. On the other hand I have an analog extension which a FAX device is connected.

voice-port 1/0/0

station-id name FAX1

station-id number 3101

caller-id enable

My problem is when this FAX device is making a call I want it to go from 0/0/1, unlike all other extensions within office that use dial-peer 10.

How to setup a dial-peer for this purpose?

Regards,

[Ayodeji Okanlawon]

In this scenario your best option might be to break up your trunk group configuration, so you can configure seperate dial-peers to route calls for fax and normal calls. With this you will be able to select the desired E1 channel to use for your fax.

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[itistanbul]

Thanks for your reply.

My issue is, I want to to keep the dialing scheme, so breaking trunk group doesn't help. Even I do not break the trunk group I can setup a dial-peer that is using a specific trunk, no issues on that.

Forgetting all above I simply need a dial-peer which will be selected according to extension that initiates the call. And it should have preference over the above dial-peer that has "destionation-pattern 9T".

Regards,

[Ayodeji Okanlawon · Accepted solution]

OK..lets try this..keep your trunk-group..

1. configure two new voice translation rules

voice translation rule 5

rule 1 /\(.+\)/ /8\1/

voice translation rule 6

rule 1 /89\(.+\)/ /\1/

voice translation profile FAX1

translate called 5

voice translation profile FAX2

translate called 6

voice-port 1/0/0

translation-profile outgoing FAX1

2. Configure a new dial-peer that matches any digit beginning with 8

dial-peer voice 11 pots

translation-profile outgoing FAX2

destination-pattern 8T

port 0/0/1:15

Explanation..

When calls go out via the voice port attached to the fax machine, digit 8 is prefixed to the call via xlation rule 5.

Hence the dialled number becomes 89T..

This will then match the dial-peer 11. This dial-peer is configured to send calls out to your desired E1 trunk. The second translation rule will strip out 89 and forward the remaining digits to PSTN..

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"opportunity is a haughty goddess who waste no time with those who are unprepared"

[itistanbul]

Not followed your steps exactly but you gave an excelent idea:

I have created a translation rule:

voice translation-rule 22

rule 1 // /*/

that adds * in as leading digit. I have creted the translation profile:

voice translation-profile FAX-OUT

translate called 22

after that I have inserted the translation profile in incoming dial-peer for fax port

dial-peer voice 113101 pots

description FAX1

translation-profile incoming FAX-OUT

destination-pattern 3101

port 1/0/0

So when fax machine dials a number it simply adds "*" in front of the numbers.

Finally created another outgoing dial-peer for outgoing fax:

dial-peer voice 15 pots

description FAX outbound

destination-pattern *9T

port 0/0/0:15

Since it is a POTS dial-peer it automatically strips *9.

Basically using the same idea that you have proposed. Just using translation profile in incoming dial-peer not on the port.

Thanks a lot.

[Ayodeji Okanlawon]

Batuhan,

Glad to have helped. Dont forget to mark thread as answered. It does help other people identify correct responses. Good luck

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