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AutoLCR
A Versatile, Programmable, Effective, Efficient Automated Call Routing Device for Use by the User of Alternative Carrier and/or International Call Back Services With Destination, Day, and Time Sensitive Routing.

Automated Transparent Operations

AutoLCR is an effective programmable device for Least Cost Routing applications. The user simply dials a long distance or international call directly as usual and waits for the call to be answered while the AutoLCR performs the necessary dialing procedure to process the call through an Alternative Carrier or International Call Back System (ICBS) in a manner totally transparent to the user.

Multiple Routes

AutoLCR can be programmed to perform automated operations to process calls through multiple Alternative Carriers and/or ICBSs according to different routing instructions. Virtually unlimited number of routes for routing calls to different service providers' systems, according to the Intercept Sequence of the user dialed number, can be programmed into AutoLCR (limited only by the capacity of the EEPROM installed).

Intercept Sequences and Exception Sequences

These are sequences that AutoLCR looks out for to decide whether or not to intercept a call and process it through an Alternative Carrier or ICBS. Intercept Sequences are usually the international call routing code and national call routing code of the country in which the AutoLCR is installed, for example 00, 0, 011, 1, 0011, etc. Destination sensitive routing may be performed by programming country codes and city codes in the Intercept Sequences, for example 0041, 00353, etc.

Exceptions to a routing program are allowed by entries of Exception Sequences in the program. For example, 1800, 1900, 1976, 00525, and 0735 could be exceptions to the Intercept Sequences 1, 00, and 07.

There is virtually no limit to the number of Intercept and Exception Sequences that can be programmed into an AutoLCR (limited only by the capacity of the EEPROM installed).

Day and Time Sensitive Routing

Intercept and Exception Sequences may also include date and time ranges, which AutoLCR compares with the current date and time. AutoLCR performs least cost routing according to the destination, day of the week, day of the month, day of the year, and time of the day. This functionality may be used to route the call through one carrier during a certain time of the day and to route the call through another carrier at a different time of day to take advantage of lower rates offered by one carrier compared to the other.

Concurrent Operations to Save Time

AutoLCR reads the digits dialed by the user in either pulses or DTMF tones to look for Intercept Sequences, and when an Intercept Sequence is found, it proceeds to check the detected Intercept Sequence against its database of Exception Sequences to see if there is a match.

If no Intercept Sequence is found, or if an Exception Sequence is found, the user digits go through to the Central Office (telephone exchange) as usual.

If an Intercept Sequence is found and no match of an Exception Sequence is found, AutoLCR seizes the call and executes two concurrent operations: With respect to the caller (user) it remains in off-hook condition and continues to collect the digits dialed by the user.

Meanwhile with respect to the Central Office it goes on-hook briefly and then goes off-hook to obtain a fresh dial tone and performs the actions necessary to route the call through an Alternative Carrier, ICBS, or local telephone company.

Routing Operation

Multi-stage call through operation through an Alternative Carrier

After obtaining a fresh dial tone, AutoLCR dials the access number to reach the Alternative Carrier's switch. Then AutoLCR waits to detect some kind of signal tone or a voice prompt before dialing in DTMF the digits which it has collected. It can dial a # or * to indicate the end of the number. It can also dial a PIN or security code before or after the destination number if necessary.

Single-stage call through operation through an Alternative Carrier

Rather than dialing an access number first, the AutoLCR may be programmed to dial a sequence of digits (prefix) ahead of the destination number or to redial the destination number with the international call routing code replaced with a sequence that indicates to the Central Office which carrier has been selected.

Call back operation through an ICBS

After obtaining a fresh dial tone, AutoLCR dials the DID number to reach the ICBS. Then AutoLCR waits to detect a ring back signal or some kind of signal tone before going back on-hook to wait for a call back call from the ICBS. Upon detecting the call back's ring signal, AutoLCR answers the call, waits for a voice prompt or some kind of signal tone then dials in DTMF the international call routing code, if required, followed by the digits of the telephone number dialed by the user that it has collected. It can dial a # or * to indicate the end of the number. It can also dial a PIN or security code before or after the destination number if necessary.

Versatile Programmable Functions

AutoLCR is programmed using an analog modem and ACXSoft software running under Windows to perform virtually all kinds of automated functions to process a call through an Alternative Carrier or ICBS in all kinds of procedures adopted by different service providers. AutoLCR may also be programmed to re-route calls through the regular telephone company or another service provider when the routing through the usual service provider fails, for example if the ICBS does not call back, if the call to the alternative carrier is busy, if the service provider's switch fails to generate the expected signal.

Call Progress Detection and Detection of Specific Frequencies

AutoLCR performs accurate call progress detection and detection of specific frequencies using DSP technology.

Registers

AutoLCR can write to registers, the contents of which can be updated and retrieved. These registers may be used as counters, for example, to count the number of times a certain Intercept Sequence is dialed or the number of times a certain service provider is used. The registers may be used to store numbers, such as PINs or telephone numbers, which can be accessed for dialing during the routing of a call.

Hang Up Supervision

AutoLCR can be programmed to detect on-hook condition at the end of a call and then perform a function. Typically the function would be to generate a DTMF tone (for example A, B, #, *) or sequence of tones (for example ###, **) to tell the service provider the end of the call session.

Non-Volatile Memory

All routing and other instructions programmed into AutoLCR are saved in EEPROM and, as such, will not be lost even in the event of a general electrical power failure.

Programming of AutoLCR

The programming system consists of a modem connected to a serial port of a PC running ACXSoft in Windows environment. A CO line or a telephone line simulator is connected to the CO port of the modem. The AutoLCR is connected to a CO line at a remote location or to another port of the telephone line simulator.

ACXSoft is intuitive in design and therefore easy for anyone who is computer literate to learn and to use. The routing programs are written in ACXSoft by simple point and click actions according to what you want the AutoLCR to do in simulating the actions that one would take in a manual operation to use the Alternative Carriers or International Call Back Services.

Programming of an AutoLCR is done using V.22 protocol either locally at the same site as the AutoLCR or remotely through the Public Switched Telephone Network. Programming can be initiated (1) by the programming system by calling the line where the AutoLCR is installed and then waiting for the AutoLCR to answer automatically after a certain number of rings (programmable) or waiting for the device connected to the AutoLCR to be answered, (2) by the AutoLCR at a preprogrammed time by calling a management system (AutoManage-ACX) at a preprogrammed number, or (3) by the user of the AutoLCR by dialing a special command using the telephony device connected to the AutoLCR.

Programming is password protected. After verification of the password, the program is downloaded into the non-volatile memory of the AutoLCR. This program transfer operation is carried out with great accuracy by having a positive receipt verification of each line of program confirmed between ACXSoft and the AutoLCR.

AutoLCR and AutoManage-ACX

AutoManage-ACX allows the service provider to maintain the routing instructions in AutoLCR dialers and to monitor the operation of the dialers by collecting, tracking, and analyzing the number of calls and number of intercepted and routed calls of each dialer. The Server uses the information entered in the Client and controls the tasks to be performed by the Programming Station. The Server communicates with the Client and Programming Station in TCP/IP over the LAN or Internet or by dial up modem.

Optional Features

Meter Pulsing

AutoLCR+MP has the additional capability of generating 12 or 16 kHz meter pulses, which certain kinds of telephony equipment can use to time and cost long distance calls. Different meter pulse rates may be programmed according to destination country code or city code, day, and time. Different initial pulses for setup charge may also be programmed. This feature is useful in situations where the billing of calls is based on meter pulsing as is the case with PBXs of many hotels.

Polarity Reversal

AutoLCR+RP has the additional capability to reverse the line polarity when the called party answers. The telephony device, such as a PBX, connected to the user port of the AutoLCR+RP, may time calls by looking for a reversal in line polarity as an indication of the start of the call and a second reversal as an indication of the end of the call.

Voice

AutoLCR+V has the additional capability of recording and playing four 4-second messages. These messages may be recorded in any language from a tone-dialing telephone. The messages can be used to add user-friendliness to the operation of AutoLCR by including in the routing program the playing of appropriate messages at certain points of the routing operation. Messages on the user side may be "Please hold while your call is being processed," "Your call is being routed through the telephone company's network" (this may be played when the Alternative Carrier or ICBS fails to carry the call), or simply an advertisement message.

Call Detail Records

AutoLCR+CDR has the additional capability of storing details of calls routed through it, including date, time, duration, and number dialed. This data may be retrieved remotely by a management system, using V.22 protocol.

Calling Line Identification

AutoLCR+CLI has an LCD screen and has the additional capability to capture, display, and store calling line identification data (DTMF format) and date- and time- stamp the calls.

Alternative CO

AutoLCR+ACO has an additional CO port, which can be connected to a GSM or leased line interface. AutoLCR+ACO can route the call through either the main CO port (regular PSTN) or the alternative port (GSM or leased line).

Benefits to the User

AutoLCR enables the user of pulse-dialing or rotary-dial telephones to make use of Alternative Carriers or ICBSs transparently.
AutoLCR's automated functions eliminate the tedium and bother of manual dialing and ensure dialing accuracy to access the service providers' systems and enforce the corporate management's regime designed to achieve savings on long distance calls by routing such calls through an Alternative Carrier or ICBS.
AutoLCR automatically routes calls through one Alternative Carrier or ICBS or another or through the telephone company network according to its Least Cost Routing programming to achieve the greatest savings.
AutoLCR's automated dialing function reduces dialing time by as much as 75%. It saves time and money.
AutoLCR may be programmed to automatically dial a disconnect sequence (required by some service providers' systems to indicate the end of a call) when the user hangs up, thus eliminating the need for the user to remember to do so.
Benefits to You, the Service Provider

With AutoLCR you can offer the service to telephone service subscribers in areas where DTMF tone dialing service is not available. AutoLCR works well with pulse dialing telephone lines and thus opens up new markets for your service.
AutoLCR automatically seizes every call that you want to capture for routing through your system thus optimizing on revenue earning on the particular installation.
AutoLCR allows you to selectively route only the calls that you want to carry through your system, thus saving you time and resources.
AutoLCR's automated functions and transparent operations allow your service to be used by every telephone user, even ones that are unable to follow the procedure of Call Through Operation or International Call Back Operation.
In the event that your system is unable to carry the call due to system failure or whatever reasons, AutoLCR can automatically re-route the calls through the telephone company network.

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