How to use a gsm modem pool to send sms wirelessly

Author: wenzhang1

Jul. 02, 2024

Utilizing a GSM Modem Pool for Wireless SMS Transmission

Understanding the SMS Modem Pool

This guide provides detailed instructions on connecting SMS modem pools to the Ozeki 10 SMS Gateway. Setting up a modem pool is typically straightforward. Each modem within the pool functions independently within your system. Here, you will find comprehensive steps for configuring an 8-port GSM modem pool, along with similar procedures applicable for larger configurations (16, 32, 64, and 128 port pools). Modem pools represent an ideal solution for managing multiple numbers. To activate these numbers, you will need to acquire SIM cards for every modem slot. Each SIM card will have a designated mobile number to be used for SMS routing within the Ozeki 10 SMS gateway.

Figure 1 - SMS modem pool connection

Steps to Send SMS via GSM Modem Pool (Quick Overview)

Follow these steps to successfully send SMS using a GSM modem pool:

  1. Verify all prerequisites
  2. Establish the modem pool
  3. Connect the modem pool to your computer using a USB cable
  4. Open Ozeki by logging into your account
  5. Add a new connection through the SMS modem connection installation
  6. Utilize the autodetect feature for identifying the port where the modem is linked
  7. Create connections for all the modem's ports
  8. Activate the connection in the connection details section
  9. Draft a test SMS message with the recipient's details and body text
  10. Dispatch the test SMS message using the GSM modem pool
  11. Check to see if the SMS was received

Setting Up an 8-Port GSM Modem Pool Using USB for Ozeki SMS Gateway (Video Guide)

This video tutorial outlines the process to establish an 8-port GSM modem pool using USB for the Ozeki SMS Gateway. It covers all necessary components—including a SIM card, antenna, 8-port GSM modem pool, power cable, and USB cable. First, insert a SIM card into one of the modem pool slots, followed by attaching the antenna. Power up the modem pool with the power cable plugged into a socket. Finally, link the 8-port modem pool to your computer with a USB cable. Confirmation that everything is correctly connected will be indicated by a flashing blue light on the modem pool.

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Configuring the Ozeki SMS Gateway for an 8-Port GSM Modem Pool (Video Tutorial)

This video demonstrates how to set up your newly installed 8-port modem pool for integration with the Ozeki SMS Gateway. By using the autodetect feature, each port will automatically be recognized. After establishing a connection for one of the ports, compose and send a text message, subsequently confirming its successful dispatch to the mobile device.

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The following document details how to establish GSM modem pools with the Ozeki 10 SMS Gateway. These devices facilitate SMS dispatch via SIM cards. Alternatively, you might consider setting up Android devices using the Ozeki Android Client. They connect seamlessly to the Ozeki SMS gateway over a network, such as an office Wi-Fi. Utilizing four dual-SIM Android phones allows you to achieve the same 8 numbers provided by a modem pool.

We recommend the Android SMS gateway option because Android phones support messaging over 3G, 4G, and 5G networks, while modem pools only operate on 2G. The advantages of 4G and 5G networks for SMS messaging are significant, particularly as 2G networks are being deprecated in numerous regions. Mobile network providers will discontinue 2G services soon to free up bandwidth for 4G and 5G.

For further details on setting up the Ozeki Android Client, visit this URL: Ozeki Android Client Guide.

Setting Up Your 8-Port GSM Modem Pool

The initial step to configuring your modem pool involves inserting a SIM card into one or more of its ports, as shown in Figure 1.

Figure 1 - Insert the SIM card


Next, connect the antenna to the ports holding the inserted SIM cards. This is easily done after removing the cover, depicted in Figure 2.

Figure 2 - Connect the antenna to the selected ports


Subsequently, connect the modem pool to a wall socket using a power cable. As indicated in Figure 3, this is a straightforward procedure.

Figure 3 - The power cable plugged into the modem pool


Once the modem pool is connected to power, activate it by flipping the switch as demonstrated in Figure 4. The button will light up if the modem is powered properly.

Figure 4 - The modem pool is now turned on


The next step involves turning on the specified GSM port as shown in Figure 5.

Figure 5 - The ports can be turned on or off separately


Connectivity of the ports can easily be monitored by observing the blue light next to the antenna (see Figure 6). A flashing light indicates a successful SIM card connection.

Figure 6 - The blue light indicates the status of connectivity


The final setup step is to connect the modem pool to your PC. To do this, simply plug the USB cable into the modem pool, as displayed in Figure 7.

Figure 7 - Plug the USB cable into the modem pool


To complete the installation, insert the other end of the cable into your computer as shown in Figure 8.

Figure 8 - The modem connected to the PC via the USB cable

Configuring the Modem Pool with Ozeki NG 10

With everything set up, you are now ready to configure the modem. Open Ozeki NG 10 on your desktop, as shown in Figure 9.

Figure 9 - Open Ozeki NG 10


Next, log in to your Ozeki NG 10 account using your credentials as shown in Figure 10. This account must have been created during installation.

Figure 10 - Login with your Ozeki NG 10 account


Within the SMS Gateway application, your first task is to create a new connection. You can do this by selecting Add new connection as seen in Figure 11.

Figure 11 - Add new connection in the SMS Gateway


The subsequent window will present you with all potential connections you can create within the SMS Gateway application. Follow Figure 12 to select the SMS modem connection and hit Install.

Figure 12 - Select the SMS modem connection to install


In the installation menu, choose the port where you have connected the modem. For this, click the Autodetect button as shown in Figure 13.

Figure 13 - Autodetect the port where you connected the modem


This autodetect feature will recognize your modem, and assuming proper connection, the following window will appear as in Figure 14.

Figure 14 - Details of the detected modem


Repeat this process for each of the other ports, enabling you to manage up to eight SMS modem connections concurrently, as demonstrated in Figure 15.

Figure 15 - Connection for each port

Sending an SMS via the Modem Connection

At this stage, you possess an SMS modem connection within the SMS Gateway application. To conduct SMS transactions, the first action is to enable the connection (Figure 16) by toggling the switch in the connection details window.

Figure 16 - Turn on the SMS modem connection


To initiate an SMS, input the recipient's number (Figure 17) in the Recipient field.

Figure 17 - Type the address where you want to send the SMS message


Then, enter the content of the SMS in the SMS field as shown in Figure 18.

Figure 18 - The text of the SMS message


Once the SMS content is ready, click the Send button (Figure 19) to dispatch the message.

Figure 19 - The SMS can be sent by clicking on the Send button


If executed correctly, the SMS will be received by the intended recipient, as illustrated in Figure 20.

Figure 20 - The received SMS message

Quick Data Sheet

  • Supported OS: Windows, Linux, Unix
  • SMS/MMS Messaging Capacity: Available per hour
  • Device Dimensions: 440x220x50mm
  • TCP/IP Stack: Yes
  • Internet: Wireless connectivity
  • Internet Services: Supports PPP, TCP, UDP, HTTP, SMTP, POP3
  • SIM Card Slots: 8
  • Dual Band Frequency: 900 MHz
  • Tri Band Frequency: 850/900 MHz
  • Quad Band Frequency: 850/900 MHz
  • Max Transmission Speed: 115.2 Kbps
  • Input Voltage: 100V - 240V
  • Operating Temperature: -20°C to +60°C
  • Storage Temperature: -25°C to +70°C

Conclusion

This guide has outlined the steps to configure an 8-port GSM modem pool effectively, enabling its use with the Ozeki SMS Gateway. This system allows users to send messages effortlessly from their computers. Various steps are involved in the configuration, hence it is advisable to follow this guide closely. If implemented correctly, you will have a robust tool for sending short messages using a configured modem alongside the Ozeki SMS Gateway. The 8-port GSM modem pool provides the flexibility of using up to eight different SIM cards when dispatching SMS from your computer.

For further reading, explore our articles on Wavecom and Sierra SMS modems.

The next step is to download the Ozeki SMS Gateway and initiate your SMS activities!

SMS Modem POOL 128 - ChinaSkyline

SIMPOOL 128 is an equipment which can integrate storage SIM cards. The maximum capacity is 128. It is perfectly compatible with SMS modem series gateways. With the software, the SIM Pool can easily communicate with the SMS modem via a USB cable. In this way, we can manage the SIM cards in a centralized manner.

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