We have a customer with 2 IP office connected with Voice networks, if Site A uses Site B's lines DTFM does not work, but if Site B dials out on its own lines it works? any suggestions?
Sounds like Site A is not sending the correct digits to site B.
You should be able to see the digits sent from site A and the digits received at site B.
Turn on monitor for each site and make a test call. Pause the traces to see what is sent and what is received.
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