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This is the support site for Andrews & Arnold Ltd, a UK Internet provider. Information on these pages is generally for our customers but may be useful to others, enjoy!
If there are problems with recognition of dtmf tones by other systems consider setting "RFC2833" in the "Settings -> Telephony -> Advanced Settings" menu. Avoid using "Audio".
Check that the Number Plan is set to use the VoIP rather than the fixed (pstn) line.
Also see [[VoIP Security]]
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