Salve Thomas! Sorry when my English or/and my ideas are not everytime so clear, a wiki could help to avoid confusion.
Thomas MARCHESSEAU schrieb am Donnerstag, den 30. November 2006 um 12:15h: > did you check www.simore.ch ? > (*)unfortunatly, you cant use 2 numbers at the same time, because Beside that www.simore.ch offers it with 59.90€ quite expensive, I do (technicaly) see no differances to www.dual-sim.com. But the cheapes offer for such adapter isn't interesting yet: But you remind us ;)) that dual-sim is an intereting feature and Sean still haven'd answerd: > >################################################ > >#Will the Neo1973 support "dual-SIM" with SPST?# > >################################################ This is needed to use products like from simore.ch or dual-sim.com would work. But as you could read in your qoute, I would like to see the analog multiplexer allready on the circuit board of the Neo1973, together with 2 normal size SIM connector. (And of course a hardware hack to have 4-8 SIM cards inside one phone) Greetings, rob > > > Robert Michel wrote: > >Salve Gabriel, *! > > > >Gabriel Ambuehl schrieb am Sonntag, den 19. November 2006 um 16:56h: > > > > > >>On Sunday 19 November 2006 16:36, Robert Michel wrote: > >> > >>>One of the potential would be a software controlled switching of > >>>different SIM-cards. AFAIK "Benefon Twin Dual SIM" was the first > >>>phone that allows the user to switch between two SIM-cards with > >>>the phone GUI. > >>> > >>Pushing this further, I'd LOVE to see a phone that can use two SIM cards > >>at the SAME time (so I can have two numbers which would be useful for > >>anyone who has both business and private mobile numbers or got screwed > >>with a bad tariff and can't transfer his number right now...). > >> > >>I doubt this is possible but still one can dream ;) > >> > > > >Technicaly it would be no problem but the question would be if > >this device will populare enough to be a mass market product. > >I could imagine a (open linux) smartphone with a CF-II port and > >a CF-II GSM/GPRS or GSM/UMTS card to buid this - e.g.: > >http://www.expansys.com/p.aspx?i=140979&stack=technical&action=open > > > >First I thought that just one number and a PBX like asterisk on the mobile, > >would solve your problem: > >with different profiles and forwarding private calls during worktime > >to the mailbox "Hello $callername I'm at work and I will hear > >your message until $calender.break.next - when it realy can't > >wait press 9 - or leave now your message after the beeep" > > > >But when the phone is off - both - business and private would go > >to the same network mailbox. > >And second the phone cost will be mixed on the same bill - but > >for this, a Dual-SIM could help you ;) > > > >When you are screwed by a bad tariff you could just switch a network > >mailbox on "I'm sorry, I have a new number..." > > > > > >For my friends I prefer to give them a PSTN (voip) number cheaper for them > >to > >call me and forward it to my mobile with asterisk. With a the Neo1973 > >asterisk will be able to inform me via GPRS (in the background) who is > >calling. > >And asterisk could be used for call backs so for your monthly billing of > >your > >mobile would be only business calls. > > > >But I have a reason to add, why such a dual mobile would be nice: > >Using GPRS with a different SIM then the phone calls. > > > > > > > > > >BACK to the near future and let us think what would be possible to > >do with the Neo1973: > > > >################################################ > >#Will the Neo1973 support "dual-SIM" with SPST?# > >################################################ > > > >This allows to use 2 SIM and switch with the most mobiles on the market > >- you need only an adapter like: www.dual-sim.com/ > > > >This pdf explains the ciruit > > > >>http://www.novotechdistribution.com/productinfo/sonyericsson/GSM_GPRS/GM48-47/Application > >>Note - Dual SIM connection.pdf > >> > >and the secret is a signal line "Hi=SIM1, Low=SIM2" and an analog > >multiplexer NLAS325 (given example by sonyericsson) > > > > "The NLAS325 is a dual SPST (Single Pole, Single Throw) switch" > > http://www.onsemi.com/pub/Collateral/NLAS325-D.PDF > > > >So when the Neo1973 GSM Hardware and driver support SPST switching, > >we could programm the switching in dependences of time and localisation > >and no hardwarehacking would be neccessery, just to by such an adapter > >for 10€. > > > >Further hacking - with the signalisation of Hi and Low and a free > >access to programm it would it also possible to build a small circuit > >for _4_ (6 or 8) SIM cards - HIGH and LOW would be used for signaling :)) > >And no I/O solderpoint would be used/blocked/wasted for such a muti-card > >switching :)) > > > > > >So it would be great, when the phone GSM software and hardware would > >support DUAL-SIM ;) > >And Sean, please remember that free (just one) PIC (or/and I2C) > >bus(es) for sensors/interfaces would be great ;) > > > >Greetings, > >rob > > > > > > > > > > > > > > > > > > > >_______________________________________________ > >OpenMoko community mailing list > >[email protected] > >http://lists.openmoko.org/cgi-bin/mailman/listinfo/community > > > _______________________________________________ OpenMoko community mailing list [email protected] http://lists.openmoko.org/cgi-bin/mailman/listinfo/community
