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Sw4me: SMSReceptionCenter/GettingStarted ...

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Installation: How to Make Sure That the Program Works

It's easy to install SMS Reception Center. You have to download the distribution, smsrc.zip, unzip the archive and run setup.exe. You will be asked about target directory and whether you want to have shortcuts on your desktop and in the Start menu. Well, you've done it; now we are to ensure that the program works with your phone or modem.

Starting SMS Reception Center

Find the icon on your desktop and double-click on it.
file:deskicon.gif
Alternatively, you may use Start menu -> Programs -> SMS Reception Center.


You will see the main window of the program:
file:editor.gif


What you see is a graphic interface of the editor that we will use to define actions which are taken on each incoming message. Now we want to check if the program works with your phone, and the empty list of actions is good enough for the first steps, so don't try to change the list now. Go to the menu instead and select Run -> Install. Now you will see the popup dialog window:
file:run.gif


We are about to start the SMS Reception service. What is that service, at last?


SMS Reception Center separates two different tasks from each other: editing rulesets (action lists) for message handling is one task, and processing messages (in connection with a phone) is another one. You prepare a list of actions in the Editor, then you have to feed it to the Service which will work with the phone and act as you instructed it.


There are two modes for running the service, Desktop mode and NT Service mode. The first mode is the most appropriate for debugging and testing purposes, so we will use it now.


At this step you must select a COM port which is connected with a phone. When you use data cable, this port will be COM1 or COM2 in most cases. If infrared connection is used, there is usually some software-emulated COM-port, and you have to select this emulated port. Some NOKIA phones require vendor-specific software to work properly as a modem; this software may provide a virtual COM-port too. Virtual COM-port is usually accessible as COM3, COM4 or COM5.


Now you are about to start SmsRc service. Please ensure that you have no worthy unread messages in your phone. They will be silently removed! If you have a chance to receive a worthy message at any time, don't do this test until you learn how to store incoming messages in a text file.


Select a port and click OK button (or press Enter). Now look at the system tray at the windows task bar. You will see the SmsRc service icon there.
file:systray.gif
When you move mouse pointer to that icon, the tooltip message is displayed. If everything is alright and the program works with your phone correctly, this message will become looking like this: Ericsson (R520) on COM2, i.e. it will contain the phone's manufacturer name and model name.


Initial message is always “Connecting to phone on COMn”; if it doesn't change in a few seconds as described above, there is some problem and the program is not working with you phone now. What to do in such a situation?
file:traymenu.gif
If you click on the tray icon with right mouse button, you will see a menu. In case of problems, select “Save debug log” in this menu and choose a log file name. E-mail us (mailto:support@sw4me.com), name your phone, describe the connection you use and attach the debug log. We will try to get it working.

A simple example: writing a message to a file

Now let's go back to editor window and create an action which will store each incoming message in a text file.


Select Edit -> Insert -> Store message... and you will see dialog window with action parameters you are allowed to set up:
file:storemsg.gif
Here is the description of parameters that we'll use now:


The picture above is an illustration of variable substitutions in parameters. The Log entry format field contains a reference to the Sender variable. When a message arrives, this variable is set to the phone number of the message's originator.


When you right-click on a field that allows variable substitutuions, the popup menu with available variables appears. On this picture we see this menu with predefined variables in it: these variables are set for each incoming message automatically.

Variable substitutions are always denoted with [%Varname%].


Please choose a file name as you like, define Log entry format to be [%Sender%] wrote: [%Message%] and press Enter key to save this action.


The list of actions in the editor will now look like this:
file:edit1store.gif
Let's see how this example works. We have changed the list of actions, but the service doesn't know anything about it — we need to use Menu -> Run -> Install... to tell the service about changes. Let's do it now...

Testing the actions

Now we want to check our action list to ensure that it will react properly on each incoming message; but you don't want to waste time and money on sending real SMS to your phone.


There is a feature in SMS Reception Center which is good for such a test. When Desktop SmsRc service is running, you can go to the menu and select Run -> Test message... there; then you will see a dialog window:
file:testmsg.gif
When you fill these two fields and click on the OK button, you make SmsRc service think that there was an incoming message. This message is handled exactly the same way as any real incoming message will be handled.


In the example we're discussing now, the sender's phone and message's text that you type in this window will be appended to the text file that you have selected. When you are sure that messages are handled in the way you like, you can switch to real messages.


Unregistered users, plese remember: SmsRc service won't handle more than 6 messages per session before registering the program, including both test messages and real ones. You should restart the service after each 6 messages processed.

Message filtering

Let's now learn a new feature of SMS Reception Center — conditional actions. If you want SMS Reception Center to take different actions depending on message's sender or body, you'll certainly need this feature.
file:filter.gif
Here we described the condition under which this action is taken: the message's sender number must be +79165551234. Note that we also checked Take no further action after this one; thus if the phone receives any message from +79165551234, it will be stored in the file we selected, and no further actions will be taken on that message.


There are four types of string comparison that may be used to describe action's condition. We are using exact match in this example, but it's good to know what do the other types mean:



Now it's time to begin to use action lists that contain more than one action. I recommend to use unconditional “Store message” action as the first one; thus, no incoming message can ever be lost due to erroneous setup.

Message forwarding

Now let's try a new type of action, Send message. Go to the menu and select Edit -> Insert -> Send message.
file:forward.gif
Look at the example above: each incoming message is unconditionally forwarded to four recipients. Two of these recipients are mobile phones, and the other two are user, computer, or workgroup names.


Now remember what we learned before about generating test messages (pseudo-incoming messages, really). The point is that, together with message forwarding facility, this feature may turn SMS Reception Center into the program for sending bulk SMS!


Imagine that after setting up this example and starting the SmsRc service, you use Run -> Test message facility discussed before:
file:masssms.gif
There is no real incoming message involved, as you already know. But the action you've set up will react on the test message exactly as on any real incoming message. Thus this messsage will be really forwarded to four recipients.


CAUTION: Never forward incoming messages to your own phone unconditionally! If you do this, SMS Reception Center can enter the infinite loop of receiving-message-and-forwarding-it-to-itself, which is not what you want.

Using Keywords

Let's now discuss more complex example of message forwarding. The list of recipients will depend on the first word of a message's text, and only the rest of the text will be forwarded.
file:condfwd.gif
In this example, a message is forwarded to the given four recipients only if it's first word contains 4MANAGERS. Thus 4MANAGERS is a keyword which denotes the list to which a message must be forwarded.


Combining several such actions enables you to maintain several lists of recipients.


The last about this example: note that we used containing instead of is exactly in the condition. There is a reason behind that: if you set up several actions of this kind, the first word of messages text may contain more than one keyword! If there are two actions with keywords 4MANAGERS and 4DEVELOPERS, they both will be triggered if the keyword is 4MANAGERS,4DEVELOPERS.

The First Step to Databases

In this section, we will build the example that uses relation database to keep a list of recipients to which incoming SMS will be forwarded.


First we need to create a database accessible through some ODBC driver. It may be Microsoft™Access file.


Create a table called SMSLists with the following columns in it:

Then add some records to this table. ListKeyword must contain a keyword that is used to denote the particular list of recipients, and Recipient must contain the phone number or computer⁄workgroup⁄user name. To reproduce our previous example, the table must contain those records:

ListKeyword Recipient
4MANAGERS +79165550001
4MANAGERS 0055588801
4MANAGERS DEP11
4MANAGERS JOHN_DOE

Now let's return to SMS Reception Center and create a new action: Edit -> Insert -> Execute SQL...


Click on the Connect DB button and select appropriate ODBC driver and connection parameters for your database. It's good if you have some experience with ODBC, but even if you don't, the ODBC interface for database selection is rather intuitive and easy to use.


When you have selected the database that contains the SMSLists table mentioned above, let's set up another parameters of this action:
file:dbquery.gif
The simple SQL query will produce a one-column result containing all recipients for particular keyword. We stated explicitly that we expect a one-column result from this query, and this result must be stored in variable named Recipients. Note, it's the first time we defined a new variable!


Save this action and add another one; as you've already guessed, it's a Send message action. Now we can use Recipients variable in the Send to parameter:
file:sendtorcpt.gif
Now you know enough to set up message forwarding using the database to keep several lists of recipients. Notice that all database-related actions share the same ODBC connection. Thus if the location of your database has changed, you need to adjust connection string for one such action only: another actions will use the new connection automatically.

Databases, part 2: Implementing Subscription and Unsubscription

The previous example has a drawback: the table of recipients to whom a message is forwarded has to be maintained by hand. Let's improve this example, so any recipient may subscribe and unsubscribe to any SMSing list by sending a special message.


Take the previous example and insert a new action in the beginning of action list:

Now anyone who sends a message “SUBSCRIBE 4MANAGERS” will receive all messages for this list. Now, let's set up the unsubscription:

You may improve this example in many ways, e. g. add a keyword to cancel all the subscriptions for a sender, or add a command which temporary disables message forwarding. And if you use powerful SQL engine that supports stored procedures and user-defined functions, you'll be able to handle incoming SMS messages in any complex way that you like.

Databases: Spooling Outgoing Messages

There's some unobvious fact about SMS Reception Center. If it connects with a database, that database is checked for presence of a special table, OutgoingSMs. If this table exists it is used as a source of messages to be sent out.


To use this feature, you must create a table named OutgoingSMs with the following columns in it:


These columns are mandatory, but the table may have any other columns as well.


You should insert records with Status=0 into this table; when the SmsRc service is running, it takes all these records, sends out the messages and then updates Status to 1, thus indicating that the message was sent.

Where do you want to go tomorrow?

Now you have read about some significant features of SMS Reception Center, but some other features were left behind, as they are intended for expert users only. We are working on a document that will describe these features also, but you may investigate them yourself if you're an expert:



The other things that weren't mentioned in this document we consider obvious to you: e.g. how to use cut-copy-paste and new-open-save file in the editor. We believe that you don't need any explanations on this topics.


 
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