If the dial tone signal is not detected, the telephone line connected to a telephone is held at a voltage polarity which prevents dialed signals from the telephone from reaching the telephone line. When a dial tone is detected, the line polarity is reversed, thereby permitting dialed signals ...
dial tone 美 英 n.拨号音 复数:dial tones 英汉 英英 网络释义 n. 1. 拨号音 例句 更多例句筛选
As for a dial transmitting process, it is checked whether data exist or not at a dial data register for the first, and when it is found, a transistor Q8 is conducted, only in case that the dial number to be transmitted is the first digit, and the detection of the dial tone is ...
There is no dial tone. 681 General error reported by device. 682 ERROR WRITING SECTIONNAME 683 ERROR WRITING DEVICETYPE 684 ERROR WRITING DEVICENAME 685 ERROR WRITING MAXCONNECTBPS 686 ERROR WRITING MAXCARRIERBPS 687 ERROR WRITING USAGE
There was no dial tone. 691 Access denied because username and/or password is invalid on the domain. 692 Hardware failure in port or attached device. 693 ERROR NOT BINARY MACRO 694 ERROR DCB NOT FOUND 695 ERROR ...
A dial tone detector is provided possessing a precise definition of a passband. In one example, virtually infinite roll off is achieved in less than 5 hertz. An incoming analog signal of at least a predetermined amplitude is limited to produce square wav
DTMF Relay Indicates if dual-tone multifrequency (DTMF) relay is enabled. Expect factor User-requested expectation factor of voice quality for calls through this peer. Failed Calls Number of failed call attempts to this peer since system startup. fax rate Fax transmission rate configured ...
You can configure up to ten tones in a tone-signal voice class. To avoid voice loss at the receiving end of an LMR system, the maximum of the sum of the durations of the injected tones and pauses in the voice class should not exceed 1500 milliseconds. You must also use the timing ...
My modem says no dial tone detected. I checked it on another computer and in worked fine. When I tried to install to my computer again, I discovered that it can detect the dial tone if I lift my phone's handset during detection. I thought that setting the modem to "Do not wait...
1975. The effect of frame load and balance on dial-tone delay in No. 5 Crossbar. Bell System Tech. J. 54 1755-1793. Guess,A H. - 《Bell System Technical Journal》 被引量: 0发表: 1975年 TELEMATICS SYSTEM AND METHOD FOR TRACTION REPORTING AND CONTROL IN A VEHICLE 4. The system of...