Purpose
Geo-Location Header Pass-Through
Why it mattersPreserves caller location data (PIDF-LO) across the LGW so Nomadic E911 services receive accurate location info
Headers passedGeolocation-Routing, Geolocation
Body passedPIDF-LO (Presence Information Data Format - Location Object)
Apply toBoth inbound and outbound dial-peers
Configuration options
Global (all headers)
voice service voip
sip
pass-thru headers unsupp
Forwards all unsupported SIP headers globally
Specific headers (voice class)
voice class sip-hdr-passthrulist 200
passthru-hdr Geolocation-Routing
passthru-hdr Geolocation
passthru-hdr-unsupp
Apply to dial-peers (both inbound and outbound)
dial-peer voice 100 voip
voice-class sip pass-thru headers 200
For PIDF-LO body pass-through
voice service voip
sip
pass-thru content unsupp