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!
NAT on our Voiceless server may work.
If you do want to use NAT, then here are some tips if you are struggling:
- Disable upnp on routers
- Disable SIP ALG (Or try enabling)
- Disable Stun settings on the VoIP phone