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Cellular Phone Forum / General / GSM / August 2004

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GSM Coverage in Mexico

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Sam - 01 Jul 2004 07:36 GMT
Planning to do a trip to the Mayan Riviera.  Just wondering how good GSM coverage is and if caller ID/display works as it should by displaying the correct number of the party calling you.   The only reason we are bringing the phone is to screen the calls in case of family emergencies so caller ID is important.  I emailed Telcel and they couldn't tell me.

Thanks.
Jer - 01 Jul 2004 22:41 GMT
> Planning to do a trip to the Mayan Riviera.  Just wondering how good GSM coverage is and if caller ID/display works as it should by displaying the correct number of the party calling you.   The only reason we are bringing the phone is to screen the calls in case of family emergencies so caller ID is important.  I emailed Telcel and they couldn't tell me.
>
> Thanks.

Telcel couldn't tell you because I don't think they know what CID is.
CID is largely a U.S. feature.  I'm down that way every month with a
Moto v400 and I've never seen CID work.

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jer  email reply - I am not a 'ten'
"All that we do is touched with ocean, yet we remain on the shore of
what we know."  -- Richard Wilbur

Joseph - 02 Jul 2004 03:06 GMT
>Telcel couldn't tell you because I don't think they know what CID is.
>CID is largely a U.S. feature.  I'm down that way every month with a
>Moto v400 and I've never seen CID work.

I'm sure they're well familiar with CID.  However, if you're expecting
US or Canadian CID you're probably not going to get it.  It's highly
unlikely that you'll get CID from anything that's not part of the NANP
which is anything in country code 1 (US/Canada/Caribbean islands/US
possessions)  If you were a Telcel or Movistar customer (in country
code 52) and you called another Telcel or Movistar or Telmex number
CID via CSS7 is most likely transmitted.  International CID from
outside of the NANP usually does not work for a variety of reasons.
CID is used all over the world in one form or other.  It's for that
reason you won't get CID from someone calling you from the
Netherlands, Germany or France either.  However, if you're in Mexico
it's very possible that you'll get CID from someone in the US or
Canada who calls you while you're in Mexico.

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Sam - 02 Jul 2004 04:57 GMT
"Joseph" <JoeOfSeattle@yahoo.NONOcom> wrote in message

: I'm sure they're well familiar with CID.  However, if you're expecting
: US or Canadian CID you're probably not going to get it.  It's highly
[quoted text clipped - 9 lines]
: it's very possible that you'll get CID from someone in the US or
: Canada who calls you while you're in Mexico.

I don't know if Eastern Europe and Taiwan has any affiliation with NANP, but I have seen it work on both my cell and landline.  If it is possible to get CID from someone in the US or Canada who calls you while you're in Mexico, then why do you think the other poster who travels to Mexico every month can't get it to work?
Joseph - 02 Jul 2004 14:00 GMT
>If it is possible to get CID from someone in the US or Canada who calls you while you're in Mexico, then why do you think the other poster who travels to Mexico every month can't get it to work?

Sometimes it works and sometimes it doesn't work.  Same with
international calls.  Sometimes occasionally you'll get international
CID but most times you will not.  However, if they were in Mexico with
service from a Mexican provider such as Telcel or Movistar odds are
that they might get CID all the time.

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Jer - 02 Jul 2004 11:43 GMT
>>Telcel couldn't tell you because I don't think they know what CID is.
>>CID is largely a U.S. feature.  I'm down that way every month with a
[quoted text clipped - 16 lines]
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Okay Joe, here's the deal...  I'm in Mexico regularly for business and
play, and I've NEVER seen CID work, neither have my partners.  We've
talked about it, most are local folks who've never even heard of such a
thing.  Maybe in more populous locales like Mexico City this sort of
thing works, maybe out on the left coast in the busy resort areas, maybe
even near the bridges over the Rio Grande, but not in the Yucatan.  Sam
was particularly asking about CID in the Mayan Riviera area, which is
specifically where I go, the Yucatan.  Cozumel finally got GSM service
little more than a year ago.  Tourists in Cancun are likely too drunk to
care about CID.

My recommendation to Sam would be bring your phone.  It doesn't sound
like you'd be getting local calls anyway, so why else would your phone
even ring unless someone you know dialed your number?  Another note, if
you've not traveled internationally with your phone, you may want to
check in with your carrier before departure.  Ask them to verify that
'international dialing AND international roaming' are allowed on your
account.  Some carriers default these features 'off'.  Enjoy your trip.

Signature

jer  email reply - I am not a 'ten'
"All that we do is touched with ocean, yet we remain on the shore of
what we know."  -- Richard Wilbur

Joseph - 02 Jul 2004 14:24 GMT
>Okay Joe, here's the deal...  I'm in Mexico regularly for business and
>play, and I've NEVER seen CID work, neither have my partners.  We've
[quoted text clipped - 14 lines]
>'international dialing AND international roaming' are allowed on your
>account.  Some carriers default these features 'off'.  Enjoy your trip.

http://www.telefonicamovistar.com.mx/servicios/ocultacion_de_identidad.html

This is all about caller ID "ocultación de identidad."  Of course
they're not saying that you'll get international caller ID.  I don't
think any countries guarantee that.  All normal GSM services should
work in Mexico.

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Jer - 03 Jul 2004 01:37 GMT
>>Okay Joe, here's the deal...  I'm in Mexico regularly for business and
>>play, and I've NEVER seen CID work, neither have my partners.  We've
[quoted text clipped - 24 lines]
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The operative word is "should", no?  "ocultación de identidad"
notwithstanding, I see no need to block it, so I'll say it again, I've
NEVER seen CID work in the Yucatan area.

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jer  email reply - I am not a 'ten'
"All that we do is touched with ocean, yet we remain on the shore of
what we know."  -- Richard Wilbur

Joseph - 04 Jul 2004 09:11 GMT
>The operative word is "should", no?  "ocultación de identidad"
>notwithstanding, I see no need to block it, so I'll say it again, I've
>NEVER seen CID work in the Yucatan area.

The question is have you seen any *Mexican* CID or are you saying you
haven't seen any US caller ID.  If it's the latter that's normal.

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Jer - 04 Jul 2004 12:18 GMT
>>The operative word is "should", no?  "ocultación de identidad"
>>notwithstanding, I see no need to block it, so I'll say it again, I've
[quoted text clipped - 5 lines]
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Cero, nada, as in not any, none, goose eggs, zippidy-doo-dah

lo siento, senor Jose

Signature

jer  email reply - I am not a 'ten'
"All that we do is touched with ocean, yet we remain on the shore of
what we know."  -- Richard Wilbur

Sam - 04 Jul 2004 20:00 GMT
: Cero, nada, as in not any, none, goose eggs, zippidy-doo-dah
:
: lo siento, senor Jose

LOL.
Actually, I seen it work on a local tour resp's digital phone a few
years ago in Cancun. The phone was NOT GSM though.
Stuart Friedman - 07 Jul 2004 03:10 GMT
I've received US calller id when I was I was roaming with a US SIM in other
countries.  In the UK, I receive US CID on my Orange SIM when callers call
the US number that I divert to it.

Stu

> >Telcel couldn't tell you because I don't think they know what CID is.
> >CID is largely a U.S. feature.  I'm down that way every month with a
[quoted text clipped - 16 lines]
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Sam - 09 Jul 2004 07:09 GMT
You used the UK SIM card so I think that's why.

: I've received US calller id when I was I was roaming with a US SIM in other
: countries.  In the UK, I receive US CID on my Orange SIM when callers call
: the US number that I divert to it.
:
: Stu
Larry Miller - 06 Aug 2004 17:31 GMT
> Telcel couldn't tell you because I don't think they know what CID is.

Condescending nonsense.  I've had caller ID on a Telcel phone for several
years here in Southern Baja and it works fine for numbers originating in
Mexico.  Don't know about international callers.

> CID is largely a U.S. feature.  I'm down that way every month with a
> Moto v400 and I've never seen CID work.

Are you roaming from a US providor?  That may be the detail...

--Larry
Ben - 02 Jul 2004 15:33 GMT
Why not just revert to the ring once, and you call back the number that
called if you receive a CID, or if its your family, a ring system? There are
simple workarounds.

Planning to do a trip to the Mayan Riviera.  Just wondering how good GSM
coverage is and if caller ID/display works as it should by displaying the
correct number of the party calling you.   The only reason we are bringing
the phone is to screen the calls in case of family emergencies so caller ID
is important.  I emailed Telcel and they couldn't tell me.

Thanks.
Sam - 03 Jul 2004 19:22 GMT
That's plan B. ;-)

: Why not just revert to the ring once, and you call back the number that
: called if you receive a CID, or if its your family, a ring system? There are
: simple workarounds.
 
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