VoIP Phones - Yealink T31P: Difference between revisions
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*Set DTMF Type = RFC2833 if you have problems with DTMF.
==Firewall & Security==
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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!
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*Set DTMF Type = RFC2833 if you have problems with DTMF.
==Firewall & Security==
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