Basic Sip trunk configuration for adding VoiceCloud as a SIP Trunk to your Asterisk-based PBX
username={YOURSIPUSERNAME} // e.g '5001-USERNAME'
type=friend
trustrpid=yes
sendrpid=yes
secret={YOURSIPPASSWORD} // e.g '*************'
qualify=yes
nat=yes
keepalive=60
insecure=port,invite
host=sip1.giant.net.uk
fromuser={YOURSIPUSERNAME} // e.g '5001-USERNAME'
fromdomain=sip.giant.net.uk
dtmfmode=inband
relaxdtmf=yes
disallow=all
directmedia=no
context=from-trunk
allow=ulaw // Any other codecs you may need
You will will receiving a popup. Click OK
Click Apply Configuration.