enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Comparison of cross-platform instant messaging clients

    en.wikipedia.org/wiki/Comparison_of_cross...

    A mobile-focused, phone number-based model operates on the concept of primary and secondary devices. Examples of such messaging services include: WhatsApp , Viber , Line , WeChat , Signal , etc. The primary device is a mobile phone and is required to login and send/receive messages.

  3. Open Whisper Systems - Wikipedia

    en.wikipedia.org/wiki/Open_Whisper_Systems

    Open Whisper Systems (abbreviated OWS [7]) was a software development group [8] that was founded by Moxie Marlinspike in 2013. The group picked up the open source development of TextSecure and RedPhone, and was later responsible for starting the development of the Signal Protocol [9] and the Signal messaging app.

  4. TextSecure - Wikipedia

    en.wikipedia.org/wiki/TextSecure

    Signal was the first iOS app to enable easy, strongly encrypted voice calls for free. [18] [25] TextSecure compatibility was added to the iOS application in March 2015. [26] [27] Later that month, Open Whisper Systems ended support for sending and receiving encrypted SMS/MMS messages on Android. From version 2.7.0 onward, TextSecure only ...

  5. Signal (software) - Wikipedia

    en.wikipedia.org/wiki/Signal_(software)

    The Signal applications on Android and iOS can be locked with the phone's pin, passphrase, or biometric authentication. [126] The user can define a "screen lock timeout" interval, where Signal will re-encrypt the messages after a certain amount of time, providing an additional protection mechanism in case the phone is lost or stolen. [123] [126]

  6. AOL Dialer: Fix common problems - AOL Help

    help.aol.com/articles/aol-dialer-fix-common-problems

    Dialing *70 can prevent the call from completing when the phone line does not have the call waiting feature active. Leave this option unchecked if you are no longer able to connect. 3. Check or uncheck, “I have to dial this number to reach an outside line” depending on your telephone line. Normally, this should not be selected.

  7. Signalling System No. 7 - Wikipedia

    en.wikipedia.org/wiki/Signalling_System_No._7

    If the far end is busy, the caller gets a busy signal without consuming a voice channel. Since 1975, CCS protocols have been developed by major telephone companies and the International Telecommunication Union Telecommunication Standardization Sector (ITU-T); in 1977 the ITU-T defined the first international CCS protocol as Signaling System No ...

  8. Call-progress tone - Wikipedia

    en.wikipedia.org/wiki/Call-progress_tone

    Telecommunication equipment such as fax machines and modems are designed to recognize certain tones, such as dial tone and busy tone. The ITU-T E.180 and E.182 recommendations define the technical characteristics and intended usage of some of these tones. ToneScript is a tone description format that may be used to specify the tone.

  9. Busy signal - Wikipedia

    en.wikipedia.org/wiki/Busy_signal

    A busy signal (or busy tone or engaged tone) in telephony is an audible call-progress tone or audible signal to the calling party that indicates failure to complete the requested connection of that particular telephone call. The busy signal has become less common in the past few decades due to the prevalence of call waiting and voicemail.