When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. List of SIP response codes - Wikipedia

    en.wikipedia.org/wiki/List_of_SIP_response_codes

    Indicates that the destination was temporarily unavailable, so the server has queued the call until the destination is available. A server may send multiple 182 responses to update progress of the queue. [1]: §21.1.4 183 Session Progress This response may be used to send extra information for a call which is still being set up. [1]: §21.1.5

  3. Call-progress tone - Wikipedia

    en.wikipedia.org/wiki/Call-progress_tone

    The high frequencies may be the same volume as – or louder than – the low frequencies when sent across the line. The loudness difference between the high and low frequencies can be as large as 3 decibels (dB) and is referred to as "twist." The duration of the tone should be at least 537 ms. [1]

  4. Dropped-call rate - Wikipedia

    en.wikipedia.org/wiki/Dropped-call_rate

    The dropped-call rate in conventional networks is extremely low: significantly less than 0.01%. In mobile communication systems using radio channels the dropped-call rate is higher and may range for commercial networks between 0.1% and a few percent.

  5. Mobile phone signal - Wikipedia

    en.wikipedia.org/wiki/Mobile_phone_signal

    The volume of network traffic can also cause calls to be blocked or dropped due to a disaster or other mass call event which overloads the number of available radio channels in an area, or the number of telephone circuits connecting to and from the general public switched telephone network

  6. List of telephony terminology - Wikipedia

    en.wikipedia.org/wiki/List_of_telephony_terminology

    Call originator - (or calling party, caller or A-party) a person or device that initiates a telephone call by dialling a telephone number. Call waiting - a system that notifies a caller of another incoming telephone call by sounding a sound in the earpiece. Called party - (or callee or B-party) Caller; Calling party; Conference call (multi ...

  7. Special information tone - Wikipedia

    en.wikipedia.org/wiki/Special_information_tone

    The interval between the segments of SITs is between 0 and 4 ms.To minimize the number of callers who may abandon the call without listening to the announcement, the nominal time gap between the third tone segment and the beginning of the announcement is set as close to zero as possible, with an allowed maximum of 100 ms.

  8. Update AOL Mail settings - AOL Help

    help.aol.com/articles/aol-mail-mail-settings

    Create filters to make sure your incoming emails go where you want them to. Once you've created a filter, you'll be able to edit or delete it from the same screen. Filters can be deleted by clicking the X next to "Edit." Create a filter. 1. Click Create filter. 2. Enter the parameters of your filter. 3. Click Save. Edit a filter. 1. Mouse over ...

  9. Answer-seizure ratio - Wikipedia

    en.wikipedia.org/wiki/Answer-seizure_ratio

    For example, if there were 156 calls dialed of which 62 were successfully connected, then: ASR (%) = (62 [successful calls] / 156 [dialed calls]) x 100 = 39.74% Busy signals and other call rejections by the telephone network count as call failures. However, the inclusion in the ASR accounting of some failed calls varies in practical applications.