When any coincidence is detected between the output data of the decoder and the telephone number data of the memory on the basis of the comparison result of the comparison circuit, the output device notifies an user that the call corresponds to one of the telephone number data stored in the ...
The bottom line for 2009: IRS is overwhelmed and understaffed. The IRS reported that it had received an unprecedented number of calls from taxpayers trying to understand more complicated laws put into place by Congress over the past two years. The IRS handled twice the number of toll-free ...
Technology that allows voice,videophone,cell phone,Internet,and office network traffic to all be usable with the same instrument—a telephone. The following scenario describes use of VoIP in a real estate office: A single phone instrument can awaken you in the mornings,read to you your most imp...
同时MSC发送一个信号到分配该电话号码的其余无线设备,指示另一个无线设备正进行有效呼叫. MSC also sends a signal to the rest of the telephone number assigned to the wireless device to another wireless device being for indicating an active call. 展开 ...
GSH Datacomms has been installing cabling infrastructures for a good number of years. Our telephone technicians are fully qualified to install and commission all the following voice products... Find out more Telephone Systems Phone systems for business, traditional and VoIP, from leading manufacturers...
At the wanted exchange, the carrier is detected and the last three digits step switches to apply to other mains a carrier characteristic of the wanted party. In general, a desired frequency is selected or detected from a number of frequencies present by a heterodyne method. The wanted carrier...
PROBLEM TO BE SOLVED: To inform a call termination side of a caller telephone number in the subject device. ;SOLUTION: A first transmission means provided in an exchange 2 on a caller side transmits the caller telephone number to a server 1 on the caller side by using a first channel 3...
in order to reduce the number of conversions in a connection over several junctions in tandem, each incoming relay set sends forward after each train of direct current impulses a voice frequency testing signal to determine whether continued conversion is necessary, and each outgoing relay set on re...
When a caller dials a called telephone number, the circuit 3 reads the charge index information at every unit charge from the number information from a charge index information memory circuit 4. Then the calling enable time is displayed on a display circuit 5. After the calling is started, ...
in order to reduce the number of conversions in a connection over several junctions in tandem, each incoming relay set sends forward after each train of direct current impulses a voice frequency testing signal to determine whether continued conversion is necessary, and each outgoing relay set on re...