[OT] Reason for delay at GSM cellphone startup ?

Started by Anton Erasmus in comp.arch.embedded13 years ago 5 replies
GSM

Hi, Anyone doing work on GSM cellphones ? All the GSM cellphones I have used, cannot search for a phone number for something like 10 to 20...

Hi, Anyone doing work on GSM cellphones ? All the GSM cellphones I have used, cannot search for a phone number for something like 10 to 20 seconds after the link has been established at switchon. What is so resource hungry that a simple search through the addressbook cannot be done during this time ? Even the GSM modules I have used behaves the same. Regards Anton Erasmus


GSM/GPRS query

Started by dmm in comp.arch.embedded13 years ago 5 replies
GSM

We're currently using a Wavecom GSM for monitoring industrial flow equipment on customers sites, and wish to upgrade to a GSM/GPRS module. Can...

We're currently using a Wavecom GSM for monitoring industrial flow equipment on customers sites, and wish to upgrade to a GSM/GPRS module. Can anyone recommend one such module that is easy to program, reliable, supported by the manufacturer, and of course cheap?


GSM based remote telemetry system

Started by Chans in comp.arch.embedded12 years ago 6 replies

Hi, I am working in a process controlling insruments manufacturing company where we are devoloping a project to control a remote device using...

Hi, I am working in a process controlling insruments manufacturing company where we are devoloping a project to control a remote device using a GSM controller. I wish to know whether is there any subscriber service available for such applications. I'm in India. State-TN. Also, let me know if you have any information on availability of standard GSM modules with RS232 interface. Right now w...


Cheap GSM module

Started by Ansatt in comp.arch.embedded11 years ago 1 reply
GSM

I'm searching for a cheap GSM module, but could only find expensive ones. Does it exist GSM module in the range 50-100$ (In single...

I'm searching for a cheap GSM module, but could only find expensive ones. Does it exist GSM module in the range 50-100$ (In single quantity). -- Regards Ole Asbjorn Fadum Scanmar AS


cheapest GSM module

Started by kiranar in comp.arch.embedded9 years ago 4 replies
GSM

hi all i want a cheapest GSM modem( no GPRS or edge required). my requirement is only to send SMS. and i want it to be as simple and as cheap as...

hi all i want a cheapest GSM modem( no GPRS or edge required). my requirement is only to send SMS. and i want it to be as simple and as cheap as possible. can any one tell what is the price of cheapest GSM modem available.


300baud FSK over GSM

Started by Denis Gleeson in comp.arch.embedded13 years ago 21 replies
GSM

Hello All We are attempting to get 300baud FSK data over a GSM link. Ive seen different postings on this in the past and the concensus is...

Hello All We are attempting to get 300baud FSK data over a GSM link. Ive seen different postings on this in the past and the concensus is that it may be possible given that its FSK and at a slow rate. Although the GSM codecs distort the phase of audio tones they should not effect the frequencies. Essentially the requirement comes from the fact that the equipment at the far end can on...


GSM module prices in bulk

Started by shekhar77 in comp.arch.embedded8 years ago
GSM

We are searching for best price for GSM module component in quantities of 1000, 10000 and 100000 Can anyone suggest the sourcing contacts who can...

We are searching for best price for GSM module component in quantities of 1000, 10000 and 100000 Can anyone suggest the sourcing contacts who can give us the best possible price. We are looking for GSM only functionality , for example SIM301S from SIMCOM. Please suggest us any other vendor also with similar capabilities. Thanks Shekhar


problem in receiving data from GSM module to 8051 microcontroller

Started by kamalesh in comp.arch.embedded7 years ago 2 replies

Hi, I am doing a project using 8051 and GSM module,SIM900B. I am using a 8051 microcontroller to send AT commands to GSM module and store the...

Hi, I am doing a project using 8051 and GSM module,SIM900B. I am using a 8051 microcontroller to send AT commands to GSM module and store the data in an array and send the stored data as a text message to a mobile . I am able to see both gsm module and microcontroller unit working perfectly when connected to computer seperately through serial cable,but when I am connecting both the devices with t...


G3 Fax over GSM

Started by Denis Gleeson in comp.arch.embedded13 years ago 1 reply
GSM

Hello all What are the capabilities of GSM when it comes to Fax transmission. I have seen PSTN to GSM boxes that do FAX transmission. This...

Hello all What are the capabilities of GSM when it comes to Fax transmission. I have seen PSTN to GSM boxes that do FAX transmission. This one http://www.sagem.com/en/produits-en/systemes-radiocom-en/rt3000-en.htm does Analog G3 fax:9600bps. SO I assume we can connect the PSTN connection coming from our fax machine to the input of this device. This seems to be a special capability...


Enfora GSM modem

Started by news.tele.dk in comp.arch.embedded11 years ago 1 reply

Hello group, I am working on a system where I have a GSM module (Enfora GSM0116) connected to a small microcontroller. My plan is...

Hello group, I am working on a system where I have a GSM module (Enfora GSM0116) connected to a small microcontroller. My plan is this: When a certain event happens, the GSM calls numbers in a list in order to inform users of this event. However, if user number 1 understands and accept the message, there is no need for the system to call the rest of the people on the list. Therefore I n...


GSM Modules?

Started by Andreas in comp.arch.embedded13 years ago 6 replies
GSM

Hi! I'm looking for an inexpensive GSM-Tri-Band-Module. It has to be integrated with an embedded controller. Serial communication via AT...

Hi! I'm looking for an inexpensive GSM-Tri-Band-Module. It has to be integrated with an embedded controller. Serial communication via AT commands would be nice. Any suggestions? Thanx! Andreas


SMS-GPS Tracking

Started by bunnyboxy in comp.arch.embedded8 years ago 5 replies

Hi! I'm currently developing an application to for online tracking by SMS. Normally, I should have tested the application with my GSM modem but...

Hi! I'm currently developing an application to for online tracking by SMS. Normally, I should have tested the application with my GSM modem but I seem to be having a problem with my GSM modem, so I will like to similar SMS messages on my PC and send them to the serial port of my Pc they by eliminating the use of GSM modem for the testing. Please, can anyone tell me what is required and how I...


Strange GSM modem behaviour

Started by Rav in comp.arch.embedded10 years ago 3 replies

Hi, I am using one Wavecom 2403A GSM modem interfaced to AVR AT90CAN128 microcontroller. Here, in the code i am sending AT command for...

Hi, I am using one Wavecom 2403A GSM modem interfaced to AVR AT90CAN128 microcontroller. Here, in the code i am sending AT command for sending SMS to an arbitrary cellphone. I am using USART0 of the controller to send the characters to my GSM modem. The AT command and the SMS text, both are hardcoded into the source. After compiling and flashing my controller, i wait for sometime starin...


Sending SMS text messages to GSM phone

Started by Colin MacDougall in comp.arch.embedded13 years ago 12 replies

Hi, I am currently looking in to a project to use a microcontroller to send SMS type text messages to a GSM cellular phone. I have thought...

Hi, I am currently looking in to a project to use a microcontroller to send SMS type text messages to a GSM cellular phone. I have thought about using either a Nokia phone attached to the micro through the Nokia FBus interface or a GSM modem device. What would be the easiest in terms of software writing and is there any web resources on doing this kind of thing ? TIA, Colin


Small embedded GSM modem?

Started by amerdsp in comp.arch.embedded11 years ago 17 replies
GSM

I am looking for the smallest GSM/GPRS/EDGE modem for use in a project? In the US, I found one by Multitech, but I am not sure how it pairs...

I am looking for the smallest GSM/GPRS/EDGE modem for use in a project? In the US, I found one by Multitech, but I am not sure how it pairs to others if there are any that are easily available to OEM designers in the US. Any ideas? Thank you. A


GSM Module.

Started by Baldor in comp.arch.embedded11 years ago 1 reply

I'm looking for a cheap GSM module with RS232 interface, without GPRS, I only need SMS. Any hints? Thanks.

I'm looking for a cheap GSM module with RS232 interface, without GPRS, I only need SMS. Any hints? Thanks.


GSM/GPRS connection from a balloon

Started by Albert Goodwill in comp.arch.embedded10 years ago 6 replies

Hello Everybody, Expert advise required on GSM/GPRS connection; I want to send/receive data to/from a balloon carrying some...

Hello Everybody, Expert advise required on GSM/GPRS connection; I want to send/receive data to/from a balloon carrying some sensor. Initially balloon will be tight to a rope and will rise gradually in human control. It will send altitude, temperature, humidity, windspeed, GPS data via GSM/GPRS module to a control computer and to a mobile phone on the ground. It will also receive some re...


GSM/GPRS emdedde module

Started by rmal...@gmail.com in comp.arch.embedded11 years ago 2 replies
GSM

Hi guys, anybody knows about module or chip with embedded GSM/GPRS features, I knew Motorola G20/24 but is very expensive for me. Thanks in...

Hi guys, anybody knows about module or chip with embedded GSM/GPRS features, I knew Motorola G20/24 but is very expensive for me. Thanks in advance ! Richard


Additional digits to GSM calling number

Started by anzenews in comp.arch.embedded11 years ago 3 replies
GSM

Hi there! I hope this is the right place to ask - if not, please tell me which usenet group I should use. Also, I don't really know how to ask...

Hi there! I hope this is the right place to ask - if not, please tell me which usenet group I should use. Also, I don't really know how to ask this so please bear with me. I am a newbie at this field... :) I am planning on using a GSM module (Siemens TC65, but that shouldn't matter). The module should do something when someone calls it. But the caller should also have an option to enter ...


GPS/GSM with RTEMS

Started by sam in comp.arch.embedded12 years ago 1 reply

Hi, Could any one please recommend a small board that is capable of GPS/GSM applicaiton? I found Intel Xscale uBSC shown in...

Hi, Could any one please recommend a small board that is capable of GPS/GSM applicaiton? I found Intel Xscale uBSC shown in http://www.cogcomp.com/ webpage is quite good. But I want to develop my application based on RTEMS. Thanks Sam