Internode recently completed testing the VigorIPPBX 2820 for suitability for use with their NodePhone Business Trunk Installations. The latest official release firmware (version 3.5.6) for the IPPBX 2820 has passed all their tests. Test calls lasted well over 20 minutes without issue.
Test results shown below:
Details of VigorIPPBX 2820 suitability with Internode is available at: http://www.internode.on.net/business/phone_services/nodephone/business_trunks/
