I have a large number of Cisco 7960 phones with SIP firmware 8.12 (P0S3-8-12-00) which I would like to use with a premium PBXes account. They are located in branch offices behind NAT gateways.
Has any progress been made on this issue? I have a large number of Cisco 7960 phones with SIP firmware 8.12 (P0S3-8-12-00) which I would like to use with a premium PBXes account.