Category Archives: Telecommunications

SIM Card Does Matter when Setting up an SMS Gateway

Posted in kerneltrap.org on April 13, 2009 – 2:43pm One day when I tried another SIM card with the Huawei E220 modem that I told about here, I got the following error message on bearerbox.log: 2009-04-11 08:19:59 [7083] [6] DEBUG: … Continue reading

Posted in kannel, Learning Experience, Software Usage, Telecommunications | 3 Comments

Setting Up an SMS Gateway with Ubuntu 8.04, Kannel and Huawei E220 GSM Modem

Posted in kerneltrap.org on March 18, 2009 – 1:07pm Setting up Kannel 1.4.1 in Ubuntu 8.04 Desktop was easy. The challenging part was finding the right GSM modem or cellphone because some hardware vendors still refuse to cooperate with us … Continue reading

Posted in GNU/Linux Ubuntu, Hacking, kannel, kannel, Learning Experience, Software, Software Usage, Telecommunications | Tagged , , , , | 3 Comments

ETSI: Standardizes GSM (e.g., SMS) And 3GPP

Posted in kerneltrap.org on March 18, 2009 – 1:00pm I was involved in setting up an SMS gateway. After I read one or two AT commands to communicate with the GSM modem to send and receive SMS, my curiosity arose … Continue reading

Posted in Learning Experience, Telecommunications | Tagged , , , | Leave a comment