Cingular's new GSM network upgrade....

On 2004-05-05, Daniel <[email protected]> wrote:
> When I turn my phone on it comes up with Cingular on the screen and
> then after a couple minutes I get a message saying "No Access". At
> first this only happened on the weekends and then recently it started
> to happen all the time.

I got "No Access" when I tried a 1900-only T300 in an area where
Cingular had 850 but not 1900. I assume the phone was trying to roam on
T-Mobile 1900.

---

› See More: Cingular's new GSM network upgrade....

What part of SF are you in? I've been using SE phones for a few years
now and if your phone is unlocked, it's probably locking onto the
strongest signal (ATT) that Cingular SIMs don't allow roaming onto.

I get that with my unlocked T68m but that gets crap reception...my R520
works much better.



In article <[email protected]>,
[email protected] (Daniel) wrote:

> Boris,
> I'm not sure you fully read my posting. The problem is with Ericsson
> World phones that Cingular sold until recently. I also have an old
> Nokia phone that works fine, but it is a single band phone not a world
> phone.
>
> Does anyone out there have an Ericsson world phone and have problems
> with Cingular's new Network upgrade.
>
> When I turn my phone on it comes up with Cingular on the screen and
> then after a couple minutes I get a message saying "No Access". At
> first this only happened on the weekends and then recently it started
> to happen all the time.
>

"Andrew Shepherd" <[email protected]> wrote in message
news:[email protected]...
> [email protected] (PCW) wrote in message
news:<[email protected]>...
> As I understand the recent liberalization of the GSM roaming agreement
> between Cingular & AT&TWS, the door has simply been thrown wide open.
> Previously, only select Location Areas - primarily those where either
> Cingular or AT&TWS lacked coincident GSM coverage - were available to
> the GSM roamers of the other. But now all Location Areas of both GSM
> networks have been made available to all subs of either carrier. > --
> Andrew Shepherd
> [email protected]
> [email protected]
> http://www.wirelesswavelength.com/

Not true. Generally AT&TWS has opened the door to use of all Cingular GSM
coverage, but the converse is not true. In many areas Cingular does not
allow local roaming onto AT&TWS. California is one of those markets.

[POSTED TO alt.cellular.cingular - REPLY ON USENET PLEASE]

In <[email protected]> on 5 May 2004 11:26:09
-0700, [email protected] (Andrew Shepherd) wrote:

>On the other hand, AT&TWS in California possesses primarily Cellular
>800/850 MHz licenses as well as overlying PCS 1900 MHz licenses.
>Previously, the Cellular spectrum was reserved exclusively for
>TDMA/AMPS, but AT&TWS is now a dual-band GSM 850/1900 network. As
>both AT&TWS & Cingular have recently opened all Location Areas to each
>other's GSM subs, ...

I don't think so. My unlocked Sony Ericsson Z600 (tri-band world phone) works
fine on Cingular 1900, but is barred from ATTWS 1900 (red crossed circle in
Select Network), in ZIP code 94404 at least, annoying because I'm getting no
Cingular signal but a decent ATTWS signal. My SIM doesn't show ATTWS as a
Preferred Net. This might be a unique provisioning problem, but I doubt it,
since this phone has successfully received at least two OTA updates recently.
I'm checking with Cingular, but haven't gotten a meaningful response yet.

--
Best regards,
John Navas <http://navasgrp.home.att.net/>

[POSTED TO alt.cellular.cingular - REPLY ON USENET PLEASE]

In <[email protected]> on Tue, 11 May 2004 21:39:04 -0500,
"NOLA" <[email protected]> wrote:

>"Andrew Shepherd" <[email protected]> wrote in message
>news:[email protected]...
>> [email protected] (PCW) wrote in message
>news:<[email protected]>...
>> As I understand the recent liberalization of the GSM roaming agreement
>> between Cingular & AT&TWS, the door has simply been thrown wide open.
>> Previously, only select Location Areas - primarily those where either
>> Cingular or AT&TWS lacked coincident GSM coverage - were available to
>> the GSM roamers of the other. But now all Location Areas of both GSM
>> networks have been made available to all subs of either carrier. > --
>> Andrew Shepherd
>
>Not true. Generally AT&TWS has opened the door to use of all Cingular GSM
>coverage, but the converse is not true. In many areas Cingular does not
>allow local roaming onto AT&TWS. California is one of those markets.

That's my understanding and experience as well. My unlocked Sony Ericsson
Z600 (tri-band world phone) works fine on Cingular 1900, but is barred from
ATTWS 1900 (red crossed circle in Select Network), in ZIP code 94404 at least,
annoying because I'm getting no Cingular signal but a decent ATTWS signal. My
SIM doesn't show ATTWS as a Preferred Net. This might be a unique
provisioning problem, but I doubt it, since this phone has successfully
received at least two OTA updates recently. (I'm checking this with Cingular,
but haven't gotten a meaningful response yet.)

--
Best regards,
John Navas <http://navasgrp.home.att.net/>

[POSTED TO alt.cellular.cingular - REPLY ON USENET PLEASE]

In <[email protected]> on Mon, 02 Aug 2004 12:35:40 -0700,
John Navas <[email protected]> wrote:

>In <[email protected]> on Tue, 11 May 2004 21:39:04 -0500,
>"NOLA" <[email protected]> wrote:

>>Not true. Generally AT&TWS has opened the door to use of all Cingular GSM
>>coverage, but the converse is not true. In many areas Cingular does not
>>allow local roaming onto AT&TWS. California is one of those markets.
>
>That's my understanding and experience as well. My unlocked Sony Ericsson
>Z600 (tri-band world phone) works fine on Cingular 1900, but is barred from
>ATTWS 1900 (red crossed circle in Select Network), in ZIP code 94404 at least,
>annoying because I'm getting no Cingular signal but a decent ATTWS signal. My
>SIM doesn't show ATTWS as a Preferred Net. This might be a unique
>provisioning problem, but I doubt it, since this phone has successfully
>received at least two OTA updates recently. (I'm checking this with Cingular,
>but haven't gotten a meaningful response yet.)

Note: OTA = over the air (i.e., over the cellular network)

--
Best regards, HELP FOR CINGULAR GSM & SONY ERICSSON PHONES:
John Navas <http://navasgrp.home.att.net/#Cingular>