Yes, the sim card is to present authentication to the mobile network.
With a little bit of googling I found an example: http://www.implementa.com/solutions/virtual-sim-platform == Rene From: JAmes [mailto:[email protected]] Sent: Thursday, 24 May, 2012 08:24 To: Rene Kluwen; [email protected] Subject: Re: Virtual Sim Hi Rene, Thanks for the info. Is there any online info about the technical side of Virtual Sim technology. I understand it still requires a sim card, my guess is for authentication on the mobile network? Regards, J On Thu, May 24, 2012 at 4:51 AM, Rene Kluwen <[email protected]> wrote: Receiving sms via a gsm modem will probably the same as sending. About 1 sms every 5-10 seconds. Virtual sim technology is an smpp connection with the charactaristics of a sim card that you hand over to your provider. So it allows you to receive sms messages via an smsc connection, but your sim card is not physically connected. == Rene From: [email protected] [mailto:[email protected]] On Behalf Of JAmes Sent: Wednesday, 23 May, 2012 22:25 To: [email protected] Subject: Virtual Sim Hi, Does anyone know the max throughput of receiving SMS on a GSM Modem will be? Is it the same as sending? What about Virtual Sim technology, where they are claiming up to 50sms / sec, anyone know how this is achievable? Regards, J
