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  2. Advanced Mobile Location - Wikipedia

    en.wikipedia.org/wiki/Advanced_Mobile_Location

    Advanced Mobile Location (AML) is a free-of-charge emergency location-based service (LBS) available on smartphones that, when a caller dials the local (in country) short dial emergency telephone number, sends the best available geolocation of the caller to a dedicated end-point, usually a Public Safety Answering Point, making the location of the caller available to emergency call takers in ...

  3. Voice over LTE - Wikipedia

    en.wikipedia.org/wiki/Voice_over_LTE

    Furthermore, a 4G/LTE device may say “Emergency Calls Only” within the system settings or notifications area but that message does not prove the device can actually make an Emergency call over 4G/LTE. [14] Additionally a device may be configured for 4G Emergency Calls in a given region but fail to connect when placing a 4G Call in another ...

  4. Emergency text messaging services - Wikipedia

    en.wikipedia.org/wiki/Emergency_text_messaging...

    Emergency text messaging services are a technology that enables emergency call operators to receive text messages. [1] Its use is encouraged for people with hearing impairment or who have trouble speaking; it can also be used for situations when calling may pose a safety risk, such as a home invasion or domestic abuse. [ 2 ]

  5. 5 must-know tips for getting a text, call through after a big ...

    www.aol.com/news/5-must-know-tips-getting...

    If you’re trying to reach your loved ones: Text, don’t call. Some government agencies encourage a “text first, talk second” approach to keep phone lines open for emergency calls. Plus ...

  6. List of emergency telephone numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_emergency...

    SMS messages can be sent to 111 from registered mobile phones. Traffic – *555 (mobile phones only). 112 and 911 redirect to 111 on mobile phones. [116] Dialing 000 and 999 plays a pre-recorded message advising the caller to call 111. Crime Stoppers – 0800 555 111. Police non-emergency – 105. Niue (+683) 4333 (+683) 4202 (+683) 4133 [111]

  7. Cell Broadcast - Wikipedia

    en.wikipedia.org/wiki/Cell_Broadcast

    Cell Broadcast messaging was first demonstrated in Paris in 1997. Some mobile operators used Cell Broadcast for communicating the area code of the antenna cell to the mobile user (via channel 050), [5] for nationwide or citywide alerting, weather reports, mass messaging, location-based news, etc. Cell broadcast has been widely deployed since 2008 by major Asian, US, Canadian, South American ...

  8. What is Apple's 'SOS mode'? iPhone feature lets you ... - AOL

    www.aol.com/news/apples-sos-mode-iphone-feature...

    SOS mode also shares your location with the emergency service. You can also create emergency contacts that will receive a text message with your location after your emergency call ends, and which ...

  9. List of SIP response codes - Wikipedia

    en.wikipedia.org/wiki/List_of_SIP_response_codes

    An intermediary machine or process rejected the call attempt. [25] This contrasts with the 607 (Unwanted) SIP response code in which a human, the called party, rejected the call. The intermediary rejecting the call should include a Call-Info header with "purpose" value "jwscard", with the jCard [26] with contact details. The calling party can ...