Both phones have the same value. Other ideas?

I worked with my vendor (aptela).  They did a capture and see that the phone is sending the correct characters, but it is not recognizable by gotomeeting.  As I mentions, i also have problems with other voice response systems.

It sounds to me like a timing thing.  Are there other settings that might affect how the key strokes are sent?

FYI:  I turned off blue tooth to see if it made a difference.  It didn;t.

You can try the other options available for 'dtmf tx method' to see if it helps.

I changed the parameter to "inband" and it works better.

I doticed that if I pick up the hand set (instead of speaker or bluetooth) it works better.  Still not 100% reliable though.

Is it likely that the "inband" parameter will cause other issues?

It was set to AVT before, as is another SPA303 that is working.

Inband is sending the tones via the traditional way, in the voice stream itself.  AVT and SIP Info is sending it via digitally.

After making that change, the phone no longer works with my voice mail.  It does not recognize the buttons.

My phone vendor (Aptela) sells this phone.  I did not purchase it from them.  They have received the configuration and see nothng wrong.  Is this phone defective, or is it just junk?

I spent $300 for this phone.  I am not very happy that I can't make something so basic work.

Since the spa303 works with the same dtmf tx configuration, but this isn't,  please enclose a debug log of both units doing the same thing so we can see what the difference could be.

https://supportforums.cisco.com/docs/DOC-9862 for the info on generating a debug log.

Or you can enclose a wireshark trace as well.