CONFIGURATION FOR GTIGLOBAL DID TRUNK
Examples on how to setup GTI SIP Trunks, create a Inbound Trunks and copy and past the following:
[GTI INBOUND SIP Trunk]
host=96.127.174.38
;context=from-trunk
;context=from-pstn-e164-us
type=friend
port=5062
;context=from-trunk
;context=from-pstn-e164-us
type=friend
port=5062
NOTE:
For new SMS enabled Phone Numbers (DID), please allow up to 10 minutes for propagation. 
If this is a brand-new or ported number, it can take up to 24 business hours to fully propagate over all carriers network.
If you are using GTI Mobile SIP/PBX Server:
If this is a brand-new or ported number, it can take up to 24 business hours to fully propagate over all carriers network.
If you are using GTI Mobile SIP/PBX Server:
How do I tell which GTI Phone Numbers (DID) are assigned to which Trunk and SIM?
From GTI Portal, select "Rates & Devices" then click on “My Phone Numbers” button to view your DIDs and their corresponding destination trunks and SIM Card number. You may also edit the destination from this screen if you have the service access level.
From GTI Portal, select "Rates & Devices" then click on “My Phone Numbers” button to view your DIDs and their corresponding destination trunks and SIM Card number. You may also edit the destination from this screen if you have the service access level.