I am trying FreePBX for my home. I do not have a proper SIP service but trying with my FTTH provider details.
- The provider has given a username, password and SIP server details
- I am able to dial these from IP Phones, desktop app etc with minimal config
- Both incoming and outgoing works with IP Phones(Grandstream) or with desktop apps
- Now, I wanted to try FreePBX and use internal extensions.
Status with FreePBX
- Incoming calls are working with SIP Trunk and inbound route added
- for incoming route had to skip adding CID and DID as any combination used was causing error message from FreePBX that dialed number does not exist. The call was landing on FreePBX
- For outgoing route have tried all combination for CID fields for the number but whenever I dial from any extenion it gives error message that all lines are busy.
- Asterisk logs show 403 error returned by the SIP server.
- Dial pattern work and added to the route for valid format accepted by the SIP server.
Can you please suggest some fixes or config which can be used to make the outgoing calls work.