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!
VoIP Phones - Gigaset N300: Difference between revisions
Most probably, all outbound traffic will already be enabled, so it is just necessary to permit essential incoming traffic to the S685IP. The following inbound settings are needed:
For SIP control data, allow UDP ports 5060 from 81.187.30.110-119
For RTP audio, allow UDP ports 5004-5020 from anywhere.
Use a good password and consider using IP lockdown on the AAISP control pages to help prevent fraudulent use!