Hello Daniele,
have you solved this problem?
I'm in exactly the same situation ... I want to use a Grandstream HT-503 or linksys spa3000 to connect PSTN access to the Fusion.
Can you tell me how you configured Patton or Grandstream and FusionPBX
have you solved this problem?
I'm in exactly the same situation ... I want to use a Grandstream HT-503 or linksys spa3000 to connect PSTN access to the Fusion.
Can you tell me how you configured Patton or Grandstream and FusionPBX