Awesome @jdeschen - it definitely caused me a good month of headaches and testing! Glad it's still paying off for others, thanks for the Helpful badge - aka cisco street cred! 

That's Awesome @andretremblay ; I figured if I got this working with the ancient alarm systems experienced with the customers in Southeast Colorado it might benefit a few others. Could not find any sort of recommendations for settings and usually sta...

I have been through about 20 different forums, support pages, everything! I was able to successfully get ..... now 3 Alarm lines fixed and operating off a Cisco SPA122 where as before my company did not previously offer that type of solution.   The s...

Try: DTMF TX Method: Inband + Info and under your network settings ensure that network jitter buffer adjustment is set to: NO.    What I posted in a similar thread:    I have been through about 20 different forums, support pages, everything! I was ab...