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thejackal · 02-07-2003, 5:59 PM

I have an unlocked phone not purchased with my at&t plan. I place the at&t sim card in the phone and it recognizes the network and can make calls, but it wont receive calls. In fact, when I try calling my phone, it'll ring once then nothing. What is the problem and what do you offer for a solution?

Ricky

DCinSEA · 02-07-2003, 6:21 PM

What is your number? I can take a look.

This is probably not a SIM problem.

thejackal · 02-07-2003, 9:26 PM

I dont feel comfortable leaving my cell # on this forum. can I email it to you? if so, what is your email address? thanks for all the help

Jack · 02-07-2003, 10:07 PM

thejackel

look under the eyeglasses and there you will find their e-mail address

Jack

dannyz · 02-08-2003, 1:17 PM

actually i have a unlocked phone for ATT GSM also. its a nokia 6100 and everything works fine. i recieve all my calls and i can make clear calls through and my internet works great. So im not shure if its your Sim card it could be the setting on your phone.

mshoneil · 02-18-2003, 10:55 PM

If you're able to place calls, chances are that it is not your SIM card. I have an unlocked Samsung S105 on my AT&T GSM service, and am able to use it just fine. The way it was explained to me is that AT&T Wireless has their systems set up to first look on their digital, or TDMA service for the active account for the dialed number, and if no account is found, it "transfers" the call to the GSM system (all done within the blink of an eye and unknown to the caller/wireless user). If the part of your service that tells their system to "transfer" the call to GSM is not there, callers will get a message saying that the phone is disconnected and will not ring through to the phone, but you're still able to place calls in the meantime.

Easiest, and probably quickest way, to find out if its that or something else is probably to call their customer service and have them check things with your phone and account.

02-07-2003, 5:59 PM	#1 (permalink)
thejackal Shoulda joined long ago! Join Date: Feb 2003 Posts: 3 Thanks: 0 Thanked 0 Times in 0 Posts	AT&T SIM card wont receive calls in Unlocked non-AT&T phone I have an unlocked phone not purchased with my at&t plan. I place the at&t sim card in the phone and it recognizes the network and can make calls, but it wont receive calls. In fact, when I try calling my phone, it'll ring once then nothing. What is the problem and what do you offer for a solution? Ricky

02-07-2003, 6:21 PM	#2 (permalink)
DCinSEA Junior Member Join Date: Dec 2002 Posts: 137 Thanks: 0 Thanked 0 Times in 0 Posts	AT&T SIM card wont receive calls in Unlocked non-AT&T phone What is your number? I can take a look. This is probably not a SIM problem.

02-07-2003, 9:26 PM	#3 (permalink)
thejackal Shoulda joined long ago! Join Date: Feb 2003 Posts: 3 Thanks: 0 Thanked 0 Times in 0 Posts	AT&T SIM card wont receive calls in Unlocked non-AT&T phone I dont feel comfortable leaving my cell # on this forum. can I email it to you? if so, what is your email address? thanks for all the help

02-07-2003, 10:07 PM	#4 (permalink)
Jack Join Date: Oct 2001 Location: Ohio Posts: 2,475 Phone(s): Motorola T720 Provider(s): Alltel Devices: Sirius Satellite radio, ipod, laptop, pda Thanks: 0 Thanked 0 Times in 0 Posts	AT&T SIM card wont receive calls in Unlocked non-AT&T phone thejackel look under the eyeglasses and there you will find their e-mail address Jack __________________ Current Plan with alltel 3000 anytime minutes w/nationwide LD $74.95 a month---Waiting not so patiently for the Alltel version of the V710

02-08-2003, 1:17 PM	#5 (permalink)
dannyz Fresh Member Join Date: Nov 2002 Posts: 10 Thanks: 0 Thanked 0 Times in 0 Posts	AT&T SIM card wont receive calls in Unlocked non-AT&T phone actually i have a unlocked phone for ATT GSM also. its a nokia 6100 and everything works fine. i recieve all my calls and i can make clear calls through and my internet works great. So im not shure if its your Sim card it could be the setting on your phone.

02-18-2003, 10:55 PM	#6 (permalink)
mshoneil Fresh Member Join Date: Feb 2003 Posts: 12 Thanks: 0 Thanked 0 Times in 0 Posts	AT&T SIM card wont receive calls in Unlocked non-AT&T phone If you're able to place calls, chances are that it is not your SIM card. I have an unlocked Samsung S105 on my AT&T GSM service, and am able to use it just fine. The way it was explained to me is that AT&T Wireless has their systems set up to first look on their digital, or TDMA service for the active account for the dialed number, and if no account is found, it "transfers" the call to the GSM system (all done within the blink of an eye and unknown to the caller/wireless user). If the part of your service that tells their system to "transfer" the call to GSM is not there, callers will get a message saying that the phone is disconnected and will not ring through to the phone, but you're still able to place calls in the meantime. Easiest, and probably quickest way, to find out if its that or something else is probably to call their customer service and have them check things with your phone and account.

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