Questions tagged [cdma]

Code division multiple access (CDMA): the channel access method. Also common name for mobile phone standards cdmaOne, CDMA2000...

More info:

  1. http://www.pcmag.com/encyclopedia_term/0,1237,t=CDMA&i=39462,00.asp
  2. http://cellphones.about.com/od/phoneglossary/g/cdma.htm

CDMA, or Code Division Multiple Access, is a competing cell phone service technology to GSM, which is the world’s most widely used cell phone standard.

75 questions
3
votes
0 answers

Android: UDP Packets not reaching CDMA Device

Referred to this link and i have done sample Client/Server Apps using android.The apps work well on GSM sim's able to send and receive packets,but on CDMA device i am not able to receive any packets but able to send packets. Ip address details is…
NitZRobotKoder
  • 1,046
  • 8
  • 44
  • 74
3
votes
1 answer

How to SMS send to CDMA modem using AT command in java?

I am trying to make a simple java application on windows-7 that can send SMS on my citycell Zoom USB Modem. I use AT Command(http://www.canarysystems.com/nsupport/CDMA_AT_Commands.pdf) . Flowing my Java Code: import javax.comm.*; import…
samsul
  • 340
  • 1
  • 3
  • 13
3
votes
2 answers

How to find out whether android device has cellular radio module?

How can I find out for sure that device really has gsm, cdma or other cellular network equipment (not just WiFi)? I don't want to check current connected network state, because device can be offline in the moment. And I don't want to check device id…
Tertium
  • 6,049
  • 3
  • 30
  • 51
3
votes
0 answers

Create CDMA (3gpp2) PDU in Android

I asked a similar question last week and even set a bounty on it, after realizing the problem was the answer given was for a GSM PDU (3gpp) and it worked flawlessly in the emulator (android 2.2). I accepted the Answer and awarded the bounty, and…
StrikeForceZero
  • 2,379
  • 1
  • 25
  • 36
3
votes
3 answers

Is telephony manager values reliable and changeable (cdma)?

I want to know if I can rely on the telephony values like country, MCC, etc on Android for my app. Can I change them on the run using setprop? I tried changing using setprop it didn't seem to work. From my understanding telephony manager is a…
rana
  • 1,824
  • 3
  • 21
  • 36
2
votes
1 answer

How do you convert a struct into a char array?

I am a little bit confused on how to convert a struct to a char[] in C. My CDMA modem doesn't support sending variables - it only understands ASCII characters. I need to do the conversion operation. Let's say that I have an sMSG struct like…
user983652
2
votes
2 answers

What does getEvdoDbm() really do?

How does Android determine this Dbm strength? I know the basics of CDMA and that its networks can have anything from EVDO0, EVDO-A all the way up to LTE under its belt. I also know some older "feature" phones used to overlay "data" over the standard…
kenyu73
  • 671
  • 6
  • 16
2
votes
0 answers

Why is there no support for CDMA in Android NeighboringCellInfo?

Does anyone know why there is no support for NeighboringCellInfo for CDMA in Android SDK? http://developer.android.com/reference/android/telephony/NeighboringCellInfo.html The documentation only mentions: TelephonyManager.NETWORK_TYPE_GPRS …
zmalex
  • 115
  • 1
  • 6
2
votes
1 answer

How to check if iPhone supports CDMA or GSM

Is there any way to identify if iPhone supports CDMA or GSM network. Any Apple API in Objective-C which can provide this information.
sandy
  • 2,127
  • 4
  • 28
  • 50
2
votes
1 answer

Saving e-mail address to SIM card memory in Android

Does anyone know whether a SIM card can accomodate an e-mail field in its memory? I want to do it through an android application. Users can save contact name and number to a SIM card, but how about an e-mail field also along with name and number;…
Anees
  • 21
  • 3
2
votes
2 answers

How to get phone number of an android CDMA phone?

The TelephonyManager.getLine1Number() works on GSM phones, but not CDMA phones. Is it possible to get the phone number of a CDMA phone through android API calls at all? thanks
wangii
  • 2,570
  • 1
  • 22
  • 29
2
votes
1 answer

TCP/UDP over cell network

I'm a novice in this area looking for clarification. I believe that CDMA would be classified as part of the physical layer, so what is used for the data link layer (according to the OSI model) in cellular networks? Is TCP/UDP used in cellular…
b1tflpr
  • 33
  • 5
2
votes
1 answer

How do you get IMEI on a Verizon (CDMA vioice / LTE Data) device?

getDeviceId() returns the 14 digit MEID on Verizon phones (because it is a CDMA voice device). Is there a programmatic way to get the 15 digit IMEI (as it is listed in the Settings menu) instead?
gsysko
  • 988
  • 1
  • 8
  • 19
2
votes
0 answers

Geolocation API coordinates incorrect for CDMA cellid

I work for a small cellular carrier in Michigan. Our customer's Android phones are receiving inaccurate coordinates when served by a particular cellID. Can we provide Google with updated coordinate information for this cellID? brock@ws1:~# cat…
2
votes
2 answers

looking for GSM / CDMA call detail record structure

i am creating a program in java which will work on call detail records of GSM / CDMA. i am looking for standard structure of Call detail records used for GSM / CDMA. Can someone help me ? basically what are all the columns in a call detail record…
rover12
  • 2,806
  • 7
  • 27
  • 28