This sounds like a path dependent/media resource issue.
In order to figure out the root cause, I would call both ways, and then look at the logs/traces/data to determine what's different about the path (devices involved in the call flow), and the capabilities agreed upon (dtmf namely).
Do you know how to pull any of that information via RTMT?
Hello I have a Cisco 7841 3pcc Phone, if I specify a custom ringtone and try to play it, it is spit out in the log> Bad parameter in Ring File field: w = tftp: //192.168.220.120/TEST.rawand the standard sound plays.-----------4047 ERR Jan 17 16: 15: 33...
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The set web-security CLI command...
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