Re: [75attendees] Cell phones in country.
Iljitsch van Beijnum <iljitsch@muada.com> Wed, 22 July 2009 09:51 UTC
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From: Iljitsch van Beijnum <iljitsch@muada.com>
To: Mohammad Mahloujian <mohammad.ietf@mahloujian.com>
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Date: Wed, 22 Jul 2009 11:20:38 +0200
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Cc: 'Olaf Kolkman' <olaf@NLnetLabs.nl>, 75attendees@ietf.org
Subject: Re: [75attendees] Cell phones in country.
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On 22 jul 2009, at 11:02, Mohammad Mahloujian wrote: > The phone used in Europe are using 900 and 1800 while in US 850 and > 1900 are > used so you may check if you your phone support 900/1800 3G (UMTS) is 2100 MHz and is also incompatible with AT&T and T-Mobile US' versions of the same despite the fact that T-Mobile US also uses "2100 MHz". (The stupid thing is that 1800 is unavailable in the US so they created 1900 but that overlaps with the uplink of the 2100 band so then they had to use a differend uplink for the 2100 band in the US so the tradition of incompatible frequencies is probably going to continue until we reach visible light frequencies.) But the somewhat more expensive phones will generally support at least three bands and four or five isn't altogether unusual. (For instance, the iPhone can do GSM on 850/900/1800/1900 and UMTS on 850/1900/2100.) Note that Verizon and Sprint phones are paper weights in Europe. Also note that data roaming tends to be insanely expensive so turn it off unless you don't care. Making and receiving calls is also expensive but at least you can decide whether to make/take calls and keep them short. Data can get you in trouble very quickly. Last but not least: if you have conditional forwarding (go to voicemail when busy/no answer) then you pay for the call to come to Sweden and then pay again for it to go back home to your voicemail box and then a third time to listen. So either turn off voicemail or use a non-conditional forward.
- [75attendees] Cell phones in country. Doug Montgomery
- Re: [75attendees] Cell phones in country. Eric Brunner-Williams
- Re: [75attendees] Cell phones in country. Ruri Hiromi
- Re: [75attendees] Cell phones in country. Mikael Abrahamsson
- Re: [75attendees] Cell phones in country. Stefan Winter
- Re: [75attendees] Cell phones in country. Mikael Abrahamsson
- Re: [75attendees] Cell phones in country. Patrik Fältström
- Re: [75attendees] Cell phones in country. Patrik Fältström
- Re: [75attendees] Cell phones in country. Patrik Fältström
- Re: [75attendees] Cell phones in country. Olle E. Johansson
- Re: [75attendees] Cell phones in country. Brent Chapman
- Re: [75attendees] Cell phones in country. Olaf Kolkman
- Re: [75attendees] Cell phones in country. Mohammad Mahloujian
- Re: [75attendees] Cell phones in country. Scott Brim
- Re: [75attendees] Cell phones in country. Patrik Fältström
- Re: [75attendees] Cell phones in country. Mohammad Mahloujian
- Re: [75attendees] Cell phones in country. Peter Fassberg
- Re: [75attendees] Cell phones in country. Mohammad Mahloujian
- Re: [75attendees] Cell phones in country. Peter Fassberg
- Re: [75attendees] Cell phones in country. Mohammad Mahloujian
- Re: [75attendees] Cell phones in country. Scott Brim
- Re: [75attendees] Cell phones in country. Mohammad Mahloujian
- Re: [75attendees] Cell phones in country. Iljitsch van Beijnum
- Re: [75attendees] Cell phones in country. Mohammad Mahloujian
- Re: [75attendees] Cell phones in country. Ole Jacobsen
- Re: [75attendees] Cell phones in country. Jamal Hadi Salim
- Re: [75attendees] Cell phones in country. Marshall Eubanks
- Re: [75attendees] Cell phones in country. Jamal Hadi Salim
- Re: [75attendees] Cell phones in country. Marshall Eubanks
- Re: [75attendees] Cell phones in country. Randy Bush
- Re: [75attendees] Cell phones in country. Randall Gellens
- Re: [75attendees] Cell phones in country. Marshall Eubanks
- Re: [75attendees] Cell phones in country. Jamal Hadi Salim
- Re: [75attendees] Cell phones in country. Marshall Eubanks
- Re: [75attendees] Cell phones in country. Iljitsch van Beijnum
- Re: [75attendees] Cell phones in country. Jamal Hadi Salim
- Re: [75attendees] Cell phones in country. Jamal Hadi Salim
- Re: [75attendees] Cell phones in country. Peter Fassberg
- Re: [75attendees] Cell phones in country. Jamal Hadi Salim
- Re: [75attendees] Cell phones in country. Iljitsch van Beijnum