howto-howto

Build your own SMS gateway with Ubuntu Linux and Gammu

2010-03-23T08:39:00.000-07:00

Some time ago I went down the path of building a simple sms gateway. At the time I wrote a basic blog entry but received numerous requests for a more detailed "how-to"... so here it is. I based my solution around a basic linux (Ubuntu) server - the machine itself is nothing fancy but is more than capable of handling the sort of load it's getting. The device being used to send/receive SMS

How To Create Ajax Contact Form

2010-03-16T20:16:00.000-07:00

Ajax (Asynchronous Javascript and Xml) has become a very popular tool in web design. This tutorial will teach you how to make an ajax contact form using PHP and Jquery. See the code in action here. Step 1 – The HTMLTo start things off lets create a new file and call it contact.html, inside it we want to create a simple html form, like so: Name E-Mail Your Message

Integrate FB and Wordpress

2010-03-16T20:13:00.000-07:00

Adam is a Facebook Engineer, so using WP-FacebookConnect can be a good place to start. The plugin adds Facebook functionality to Wordpress using the Facebook Connect APIs. Features include: signon with your Facebook account; Publish comments to the newsfeed; Comment avatars display Facebook profile photos. Ultimately, Simple Facebook Connect is the Wordpress Plugin I decided to use for my site.

HOW TO: Keep Your Facebook Updates Private

2010-02-19T22:02:00.000-08:00

We’ve already shared some of the basics about how to use Facebook’s privacy settings to keep your personal updates, well, personal. Now it’s time for some more advanced techniques using the newer features Facebook implemented only a couple of months ago. If you have a lot of Facebook friends, you probably have some work friends, some family, and other groups in the mix. You don’t want to block

HOW TO: Create Groups for Twitter

2010-02-19T21:57:00.000-08:00

One of the most demanded features for Twitter has been the ability to create groups, allowing members to focus on different sets of people they’re following. For example, you could create groups for all of your fantasy league friends, colleagues at work, friends in real life, family members, and so on. Because Twitter still does not provide any group feature, it has opened the floodgates for

Cara membuat group di facebook

2010-02-19T21:52:00.001-08:00

Bagaimana cara membuat group di facebook? ini adalah salah satu keyword yang dicari oleh orang-orang yang mampir di blog ini. Sayangnnya artikel tersebut tidak akan ditemukan. Entah mengapa kok bisa sampai nyasar ke blog ini? karena itu saya ucapkan banyak-banyak terima kasih karena sudah sukarela (rela ga ya?) nambah traffic blog ini. Agar tidak ada yang nyasar lagi untuk mencari sebuah artikel

Cara Membuat Twitter

2010-02-19T21:50:00.001-08:00

Cara Membuat Twitter - Bagi teman-teman yang masih pemula di dunia maya dan ingin mencoba membuat account di twitter salah satu situs mikro blogging yang paling terkenal saat ini, maka pada artikel ini akan kita bahas cara membuat twitter atau tepatnya cara membuat account di twitter secara gratis.Seperti halnya situs jejaring sosial misalnya facebook, maka hal yang penting dimiliki saat membuat

How to create group on facebook

2010-02-19T21:48:00.000-08:00

First log-in to your Facebook account like you usually would with your username and password. If you want to create a group separate from your real name, then I suggest that you create a free gmail account that has the group name in it, and create a new Facebook account. Then log-in. Step 2 jQuery(document).ready(function(){

How to Port Forwarding on the Dlink DIR-300

2010-02-17T23:35:00.000-08:00

Open a web browser like internet explorer or Netscape. Enter the ip address of your router in the address bar of your browser. In the picture above the address bar has http://www.google.com in it. Just replace all of that with the ip address of your router. By default the ip address should be set to 192.168.0.1. You should see a box prompting you for your username and password. Enter

How to find open ports on a computer

2010-02-17T23:30:00.000-08:00

To find open ports on a computer, you can use netstat command line. To display all open ports, open DOS command, type netstat and press Enter. To list all listening ports, use netstat -an |find /i "listening" command. To see what ports your computer actually communicates with, use netstat -an |find /i "established" To find specified open port, use find switch. For

Create WordPress Theme

2010-02-05T09:34:00.000-08:00

Tutorial Introduction:Back in 2005, I wrote a little tutorial for Wordpress 1.5 on how to integrate wordpress with an existing website. Since then, with the release of Wordpress 2.x, working with Wordpress has become even easier. This tutorial is an update to my original tutorial and as it appears under a different name, I want to take a moment to clarify who this tutorial is for.This tutorial is

Toyota chief breaks silence as Prius recall eyed

2010-02-05T09:24:00.000-08:00

NAGOYA/DETROIT (Reuters) – Toyota President Akio Toyoda apologized for safety problems that have left the Japanese carmaker "in crisis" as the group considered another recall -- this time over the brakes on the newest Prius hybrids. "Believe me, Toyota cars are safe," said Toyoda -- the grandson of Toyota's founder -- breaking his near-total silence on the recall woes. The news conference came

Haitian families struggle to find, bury their dead

2010-01-14T19:12:00.000-08:00

PORT-AU-PRINCE, Haiti – Some of the dead in this shattered city line the roads, carefully placed garments shrouding their faces. Others are carried into the hills for quick burials. Hundreds are arrayed in a macabre tangle of limbs outside a morgue, just feet from the grievously wounded.The living and the dead here share the same space — the sidewalks, the public plazas, the hospitals. The living

China's response to Google threat: Obey the law

2010-01-14T19:01:00.000-08:00

SAN FRANCISCO – China's government gave little indication Thursday that it's willing to loosen its control over Internet search results, pushing Google Inc. closer to the brink of closing up shop and leaving the country. In the government's first official statement since Google issued its ultimatum two days earlier, a Chinese official endorsed the country's current rules governing Internet

UN: 36 UN personnel killed, nearly 200 missing

2010-01-14T18:51:00.000-08:00

UNITED NATIONS – Crews rescued a security guard Thursday from the U.N. headquarters building that collapsed in the Haiti earthquake, "a small miracle" as 36 U.N. personnel were confirmed dead and nearly 200 remained missing, the head of the world body said. Secretary-General Ban Ki-moon said the U.N.'s mission chief, Hedi Annabi, and his chief deputy, Luis Carlos da Costa, are among roughly

Haiti quake aid snarled; up to 50,000 feared dead

2010-01-14T18:46:00.000-08:00

PORT-AU-PRINCE, Haiti – Doctors and search dogs, troops and rescue teams flew to this devastated land of dazed, dead and dying people Thursday, finding bottlenecks everywhere, beginning at a main airport short on jet fuel and ramp space and without a control tower.The international Red Cross estimated 45,000 to 50,000 people were killed in Tuesday's cataclysmic earthquake, based on information

Nikon D60 Lenses Compatibility

2010-01-14T00:15:00.000-08:00

A little known fact about the new Nikon D60 is that it doesn't have an built-in focus drive motor which means it can auto focus only with lenses which have their own drive motor (AF-S and AF-I lenses). This same thing can be in the Nikon D40 and Nikon D40x. However, the Nikon D60 has a new features, which is an electronic rangefinder to help manual focus on non AF-S / AF-I lenses.The guys over at

Sending SMS Messages from a Computer / PC Using AT Commands (AT+CMGS, AT+CMSS)

2010-01-13T23:57:00.000-08:00

Either of the AT commands +CMGS (command name in text: Send Message) and +CMSS (command name in text: Send Message from Storage) can be used to send SMS messages from a computer / PC. The key difference between them is that the +CMGS AT command takes the SMS message to be sent as a parameter, while the +CMSS AT command takes the index number that specifies the location of the SMS message in the

Deleting SMS Messages from Message Storage (AT+CMGD)

2010-01-13T23:54:00.000-08:00

The AT command +CMGD (command name in text: Delete Message) is used to delete SMS message(s) from message storage. The message storage area from which SMS messages are deleted is specified by the +CPMS AT command (command name in text: Preferred Message Storage). Details about the +CPMS AT command can be found in the earlier section "Preferred Message Storage (AT+CPMS)" of this SMS

Writing SMS Messages to Memory / Message Storage (AT+CMGW)

2010-01-13T23:52:00.000-08:00

The AT command +CMGW (command name in text: Write Message to Memory) is used to write an SMS message to memory (i.e. message storage). The memory/message storage area to which SMS messages are written is specified by the +CPMS AT command (command line in text: Preferred Message Storage). Details about the +CPMS AT command can be found in the earlier section "Preferred Message Storage (AT+CPMS)"

Preferred Message Storage (AT+CPMS)

2010-01-13T23:49:00.000-08:00

The AT command +CPMS (command name in text: Preferred Message Storage) serves several purposes. It can be used to:1. Select the message storage area that will be used when sending, receiving, reading, writing or deleting SMS messages.2. Find the number of messages that are currently stored in the message storage area.3. Find the maximum number of messages that can be stored in the message storage

Setting or Reading the Service Center Address / SMSC Address (AT+CSCA)

2010-01-13T23:47:00.000-08:00

Before you send SMS messages, one important thing that should be done is to make sure the correct service center address (SMSC address) has been set properly. Typically a service center address/SMSC address is a phone number formatted using the ISDN / telephony numbering plan (ITU E.164/E.163). For example, +85291234567. The AT command +CSCA (command name in text: Service Centre Address) can be

Operating Mode: SMS Text Mode and SMS PDU Mode

2010-01-13T23:43:00.000-08:00

The SMS specification has defined two modes in which a GSM/GPRS modem or mobile phone can operate. They are called SMS text mode and SMS PDU mode. (PDU stands for Protocol Data Unit.) The mode that a GSM/GPRS modem or mobile phone is operating in determines the syntax of some SMS AT commands and the format of the responses returned after execution. Below are the SMS AT commands affected: +CMGS (

Checking if the GSM/GPRS Modem or Mobile Phone Supports the Use of AT Commands to Send, Receive and Read SMS Messages

2010-01-13T23:42:00.000-08:00

After testing the communication between the PC and GSM/GPRS modem/mobile phone, the next thing that you may want to do is to check if the GSM/GPRS modem or mobile phone supports the use of AT commands to send, receive and read SMS messages. Most GSM/GPRS modems support all three functions. However, only some mobile phones support all of them.Sending SMS MessagesTo find out whether a GSM/GPRS

Result Codes of AT Commands

2010-01-13T23:39:00.000-08:00

Result codes are messages sent from the GSM/GPRS modem or mobile phone to provide you information about the execution of an AT command and the occurrence of an event. Two types of result codes are useful to you when dealing with AT commands for SMS messaging: Final result codes Unsolicited result codesFinal Result Codes of AT CommandsA final result code marks the end of an AT command response.

General Syntax of Extended AT Commands

2010-01-13T23:37:00.000-08:00

The general syntax of extended AT commands is straightforward. The syntax rules are provided below. The syntax of basic AT commands is slightly different. We will not cover the syntax of basic AT commands in this SMS tutorial since all SMS messaging commands are extended AT commands.Syntax rule 1. All command lines must start with "AT" and end with a carriage return character. (We will use

Introduction to AT Commands

2010-01-13T23:31:00.000-08:00

AT commands are instructions used to control a modem. AT is the abbreviation of ATtention. Every command line starts with "AT" or "at". That's why modem commands are called AT commands. Many of the commands that are used to control wired dial-up modems, such as ATD (Dial), ATA (Answer), ATH (Hook control) and ATO (Return to online data state), are also supported by GSM/GPRS modems and mobile

How to Use Microsoft HyperTerminal to Send AT Commands to a Mobile Phone or GSM/GPRS Modem?

2010-01-13T23:29:00.000-08:00

Microsoft HyperTerminal is a small program that comes with Microsoft Windows. You can use it to send AT commands to your mobile phone or GSM/GPRS modem. It can be found at Start -> Programs -> Accessories -> Communications -> HyperTerminal. If you cannot find it and you are using Windows 98, then probably you have not installed it. You can go to Control Panel -> Add/Remove Programs -> Windows

How to Receive SMS Messages Using a Computer / PC?

2010-01-13T08:11:00.000-08:00

In general, there are three ways to receive SMS messages using your computer / PC: Connect a mobile phone or GSM/GPRS modem to a computer / PC. Then use the computer / PC and AT commands to get the received SMS messages from the mobile phone or GSM/GPRS modem. Get access to the SMS center (SMSC) or SMS gateway of a wireless carrier. Any SMS messages received will be forwarded to your

How to Send SMS Messages from a Computer / PC?

2010-01-13T08:08:00.000-08:00

In general, there are two ways to send SMS messages from a computer / PC to a mobile phone: Connect a mobile phone or GSM/GPRS modem to a computer / PC. Then use the computer / PC and AT commands to instruct the mobile phone or GSM/GPRS modem to send SMS messages. Connect the computer / PC to the SMS center (SMSC) or SMS gateway of a wireless carrier or SMS service provider. Then send SMS

2010-01-13T08:03:00.000-08:00

One problem of SMS messaging is that SMSCs developed by different companies use their own communication protocol and most of these protocols are proprietary. For example, Nokia has an SMSC protocol called CIMD whereas another SMSC vendor, CMG, has an SMSC protocol called EMI. We cannot connect two SMSCs if they do not support a common SMSC protocol. To deal with this problem, an SMS gateway is

International SMS Messages

2010-01-13T07:58:00.000-08:00

Inter-operator SMS messages can be further divided into two categories -- local inter-operator SMS messages and international inter-operator SMS messages (international SMS messages). A local inter-operator SMS message is an SMS message that is sent from one wireless network operator to another wireless network operator in the same country, while an international SMS message is an SMS message

Inter-operator SMS Messages

2010-01-13T07:53:00.000-08:00

Suppose you and your friend are using the mobile phone service of wireless network operator A and wireless network operator B respectively. The transmission of an SMS message from you to your friend involves two wireless networks. This SMS message is called an inter-operator SMS message. Typically, the cost for sending an inter-operator SMS message from a mobile phone is higher than that for

Intra-operator SMS Messages

2010-01-13T07:47:00.000-08:00

f both you and your friend are using the mobile phone service of the same wireless network operator, the transmission of an SMS message from you to your friend will involve only one wireless network operator. This SMS message is called an intra-operator SMS message. Typically, the cost for sending an intra-operator SMS message from a mobile phone is lower than that for sending other kinds of SMS

Basic Concepts of SMS Technology

2010-01-13T07:44:00.000-08:00

In the following sections, we will introduce to you some basic concepts of the SMS technology. Validity Period of an SMS Message An SMS message is stored temporarily in the SMS center if the recipient mobile phone is offline. It is possible to specify the period after which the SMS message will be deleted from the SMS center so that the SMS message will not be forwarded to the recipient mobile

What is an SMS Center / SMSC?

2010-01-13T07:41:00.000-08:00

An SMS center (SMSC) is responsible for handling the SMS operations of a wireless network. When an SMS message is sent from a mobile phone, it will reach an SMS center first. The SMS center then forwards the SMS message towards the destination. An SMS message may need to pass through more than one network entity (e.g. SMSC and SMS gateway) before reaching the destination. The main duty of an SMSC

Example Applications of SMS Messaging

2010-01-13T07:39:00.000-08:00

There are many different kinds of SMS applications on the market today and many others are being developed. Applications in which SMS messaging can be utilized are virtually unlimited. We will describe some common examples of SMS applications below to give you some ideas of what can be done with SMS messaging. Person-to-Person Text Messaging Person-to-person text messaging is the most

What Makes SMS Messaging So Successful Worldwide?

2010-01-13T07:32:00.000-08:00

SMS is a success all over the world. The number of SMS messages exchanged every day is enormous. SMS messaging is now one of the most important revenue sources of wireless carriers. What is so special about SMS that makes it so popular worldwide? Some of the reasons are discussed below. SMS Messages can be Sent and Read at Any Time Nowadays, almost every person has a mobile phone and carries it

What is SMS (Short Message Service)?

2010-01-13T07:28:00.000-08:00

SMS stands for Short Message Service. It is a technology that enables the sending and receiving of messages between mobile phones. SMS first appeared in Europe in 1992. It was included in the GSM (Global System for Mobile Communications) standards right at the beginning. Later it was ported to wireless technologies like CDMA and TDMA. The GSM and SMS standards were originally developed by ETSI.