Thought i could help
******** FreePBX
General :
Trunk Name = spa8k8line1… "same as User ID:"
Outbound CallerID : 7111… “same as Dial Plan 8:” DID value
PJSIP Settings:
General :
Username : spa8k8line1… "same as "Trunk Name"
Secret : 101hsc …"Password:"
Authentication : "Outbound"
Registration : “Receive”
Advanced
Contact User : spa8k8line1 …"same as "Trunk Name"
DTMF Mode DTMF : RFS 4733 …"same as Tx Method: Auto
Codec
Check : ulaw …“same as Preferred Codec G711u”
Inbound Routes
Description : spaline1… "any name"
DID Number : 7111… “same as Dial Plan 8:” DID value
Continue setting up the incoming Routes as you normally would
***********spa8800
Dial Plans
Dial Plan 1: ([23456]xxxxxxS0|1xxxxxxxxxxS0|[789]xxS0)
Dial Plan 8: (<:[email protected]>S0)
Note:8= (<:DID @ FreePFX ip address> SO)
VoIP-To-PSTN Gateway Setup
FXS VoIP Caller DP: 1
VoIP Caller Default DP: 1
PSTN-To-VoIP Gateway Setup
PSTN CID For VoIP CID: NO
PSTN Caller Default DP: 8
registration should occur with the next Spa8800 registration cycle
in both FreePBX and Spa8800