In case that DTMF tones are not working for your phone/UAD, please follow these steps in order to troubleshoot:


[EXTENSION]
If call is placed from local extension:

• Navigate to 'Extensions'
• Click on 'Edit' button to change extension settings
• Click on 'Advanced Options'
• Set new mode under 'DTMF Mode' option
• Click on 'Save' button

[RELAX DTMF]
If call enters PBXware over a SIP trunk:

• Navigate to 'Settings: Protocols: SIP'
• Set 'Relax DTMF' = 'Yes'
• Click on 'Save' button
• Click on 'Reload' button

[INCREASE RECEIVING SIGNAL]
If using PSTN cards/trunks:

• Navigate to 'Trunks'
• Click on 'Edit' button next to a PSTN trunk
• Click on 'Advanced Options'
• Set 'RX Gain' = '2'
• Click on 'Save' button

[SANGOMA CARDS]
If using Sangoma cards please follow this guide.
http://wiki.sangoma.com/wanpipe-linux-asterisk-debugging#a104d_echo_debug


[PROVIDER SETTINGS]

• Please check with your service provider that you're using best quality
• Try dialing through another provider
• Try using a different uad/phone

[PHONE]
A DTMF mode can be forced on some phones as well.
Find the IP address of your phone/UAD and open it in favorite browser.
Please follow the phone/UAD manufacturer manual to change DTMF settings.


[IVR]
If an incoming call enters PBXware and goes into a Queue:

• Navigate to 'Queues'
• Click on the 'Edit' button to change the settings
• Click on 'Advanced Options'
• Set 'Response Timeout' = '4'
• Set 'Digit Timeout' = '4'
• Click on the 'Save' button