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Sounds great so far. There would have to be a temporary switch for 911 emergency calls from the user-endpoint. I have heard that VOIP services are not compatibl
by smpetrey 11y ago
Sounds great so far. There would have to be a temporary switch for 911 emergency calls from the user-endpoint. I have heard that VOIP services are not compatible with the phone/location trace programming necessary for emergency dispatch centers.
- deckard1 11y agoVoIP uses E911. Usually you pre-register your address with the VoIP service. But services with dedicated apps may pass along your GPS location today, I'm not too sure there.
- MichaelGG 11y agoThere are ways to pass the coordinates in a VoIP 911 call. Unfortunately, these standards are designed by astronaut architects and are rather cumbersome. For instance, one uses MIME multipart bodies inside a SIP message. Which few systems handle properly (because it's such a bad idea and has no practical use cases). Instead of being engineers and saying "ok, well just throw in a header X-911Location" or something simple, they gotta make shit complicated. It's ridiculous. They also use this IETF designed address format. Which is rather ... comprehensive. All sorts of designation for streets and branches and so on. Except... none of the 911 systems actually use that. So they design this protocol with no care to how actual systems work. Or how actual street addresses in the US work. They basically made up their own idea of how address topographies could work. But I'm guessing some of the larger companies doing VoIP probably have it sorted (like when you do a VoIP call on T-Mobile and there's no GSM just WiFi).