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New Member

IP Phones to PBX Phones

We have an IP telephony network with Cisco Voice over IP phones. There is a Voice Gateway which is connected to our PBX via an E1 card. Currently the IP Phones are able to call the HQ PBX phones directly and vice versa. But we have another nearby office which we call by dialing code '6' from the HQ PBX phones and then dialling the extension number. I need to enable the IP Phones call the PBX phones at this other office. What do i need to configure on the call manager and Voice gateway? There are already dial peers configured on the Voice Gateway. Can i have multiple dial peers for different call types using the same Port on the voice gateway? Thanks for your help

1 ACCEPTED SOLUTION

Accepted Solutions
Green

Re: IP Phones to PBX Phones

CCM -- VG -- PBX

In CCM first add a RP 6. something that will forward the 6 plus extension number to VG

In the VG if using H323 add the proper dial-peer pots that will forward 6. plus extension number to PBX

4 REPLIES
Green

Re: IP Phones to PBX Phones

CCM -- VG -- PBX

In CCM first add a RP 6. something that will forward the 6 plus extension number to VG

In the VG if using H323 add the proper dial-peer pots that will forward 6. plus extension number to PBX

New Member

Re: IP Phones to PBX Phones

We already have 2 dial peers configured on the Voice Gateway. I'm concerned about the possible effect of configuring additional dial peers on the same VG. Find attached the config of the VG.

New Member

Re: IP Phones to PBX Phones

Yes you can have multiple dial peers for single ports. Dial-peers are chosen based on most exact match, so it will not disrupt your other dial-peer.

This following line should be added to your router configuration:

dial-peer voice 2 pots

tone ringback alert-no-PI

destination-pattern 6T

progress_ind setup enable 3

progress_ind progress enable 8

direct-inward-dial

port 0/0/0:15

forward-digits all

no digit-strip

Hope this helps.

New Member

Re: IP Phones to PBX Phones

Thanks a million Andrew. Actually since the other dial peer pots had destination pattern .T all i did was to define the Route Pattern for (6)XXXX on the Call manager and it worked. Thanks again. Cisco is da bomb!

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