> > I am designing a unit (modem) which will connect to the data port of a
> > cellular telephone and establish a point to point data connection with
> > another cellular telephone with the same device. I need to know where I
> > can find some reading material for this type of a setup.
> > Are there standards for this type of an external device, and where can I
> > locate them? Is it a universal standard which applies to US networks as
> > well as GSM networks/telephones?
> > Will a regular modem with an RJ11 jack/RS232 port and a special adapter
> > connecting to the data port of the cell phone be enough? Or is there
> > special firmware that needs to be integrated into the device to be
> > compatible with the cell phone data port?
> I have seen your posts in several newsgroups. Perhaps you should learn
> proper way to cross post, so we don't have to keep on reading the same
> Fundamentalism is fundamentally wrong.
You want to connect two network devices. A modem and a Cell to
create a ppp connection between the Cells. First off well done if you can
get this two work.
Most cable modem dont have a rs232 conector you will ahve to go in through
the ethernet port. use a rj45 connector maybe or USB. You cell is going to
request an IP which in UMTS there all IPv6 and very few cable networks
support that. But maybe you could use kame ??? I dont know. Then actually
creating the ppp link which i guess could be pppoe which some cable co
have a switch for but.... Ahhh brain crumbling with maize of complication. I
words "call broker".... thud
Great project!!!! though