Set your SIP proxy for this service to go to ippbx.voiplid.com UDP port 5060. Below is a sample configuration for a typical Asterisk gateway. The same parameters will apply for other types of gateways but the configuration may look slightly different. Please touch base with your gateway vendor if you are unsure how to configure the below parameters.
Configuration Parameters for SIP Trunking
General
port=5060
dtmfmode=rfc2833
Progressinband=never
allow=g729
allow=g711
allow=g723
Outbound Calling
type=peer
username=ACCOUNT NUMBER
secret=PIN NUMBER
host=ippbx.voiplid.com
port=5060
canreinvite=no
Registration
register=>ACCOUNT NUMBER:PIN NUMBER@ippbx.voiplid.com/siptrunking