I have a problem with my ip phone system in that the redial button does not work when I dial sip numbers. If I call an internal number the redial works fine, but if I call a sip number and then try redail the section where the phone number displays is blank. This is the same on all the phones on the system.
Attached is a copy of some bits from my running config - maybe someone can see the cause there?
Can you give more of the running config? My guess off of what you have provided is that the telco is rejecting it probably because of caller-id/authentication. Run a debug ccsip calls of one of the redials and see what the number is going out. Then try to just dial the number without using redial and see how the number goes out, both the calling and called number. Also, do you dial a 9 to get out?
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