MAKE SURE.....in Excel you select file format "Comma Seperated Value" .csv. .....Simular options DONT work. CSV UTF-8 / UTF-16 fails with message Incorrect file format. This solved it for me.
I created a Cisco CCO account Cisco.com. Go to support software downloads search SPA323, accept all the usual pop ups. Once on the download page show all releases and it will appear. Initially I download the compiler by mistake, went back and found t...
Not very scientific but I solved this DTMF issue on the PSTN by going back several releases. I was on 1.41 downgraded to 1.32. Inband DTMF tones while on a call now work!