MOBILE DID TRUNK & EXTENSION SETTINGS FOR ASTERISK/FREEPBX/FREESWITCH/3CX
After you have received your welcome notice from GTI, follow these steps. These are BASIC settings to get your PBX system up and running!
STEP #1 ADD (Whitelist) THESE IP IN YOUR SERVER FIREWALL
STEP #2 This Trunk allow GTIGLOBAL to send traffic to your server and is only use for those reasons... add the following information below: (This example uses IP Authentication for your Trunk)
context=from-trunk or context=from-pstn-e164-us
For FreePBX Trunk you may use the following:
STEP #3 Add the DID Number for SIM in your FreePBX Inbound make sure to use the 11 digits.
STEP #4 Create PJSIP/SIP Extension In your PBX (use same extension number and password as in the GTI Portal). Assign/route the DID to the PJSIP extension in your PBX.
STEP #5 Test the DID to see if it is reaching your PBX, call the DID Number Associated with the SIM (make sure you call from a line that is not connected to your network for a real live test).
STEP #6 Install the SIM in your phone https://support.gtivoice.com/knowledgebase.php?article=58
STEP #7 Using the Cellphone, make a call to see if you can make call out from your PBX. You can dial *97 or your voicemail feature code if it available assuming you setup voicemail for the extension. Check your CDR for the call results.
If you need further help, please open a support ticket.