Hi, arguile! I have some info on option 3 which IMHO the "proper" one. These guys I have contacted and even whanted to bring sample units: http://www.2n.cz/products/gsm_gateways.html and another one: http://eurotech-communication.com/
Look at: http://www.voip-info.org/tiki-index.php?page=Asterisk+and+VoIP+GSM+gateway Igor Ostaptchenko Octanix Canada Inc +1-416-628-9314 x2021 [EMAIL PROTECTED] > -------- Original Message -------- > Subject: [on-asterisk] GSM Gateways > From: arguile <[EMAIL PROTECTED]> > Date: Thu, September 08, 2005 1:03 pm > To: [email protected] > > Hey, > > New to VoIP and had a couple questions of GSM gateways and setup. > The basic scenario is this: > > GSM Device (cell phone) <---> > * GSM Gateway (SIM chip from another cell phone) <---> > Asterisk <---> > Outside world > > Basically I want to dial into my asterisk box over a GSM connection, > capture DTMF signals, using those call out to the provided number. As > a security overlay I want a minimum of capturing the caller ID of the > originating cell phone (preferablly having a cell phone with settable > caller ID). > > Obviously the data flows both ways on a call, but from what I've read > initiating a GSM call from the base station isn't the same as > receiving one. I'd like to go both ways but initiating is of less > importance as alternate channels (email, jabber, etc.) are available > to notify of a call if absolutely necessary. > > I've been googling around for GSM gateway options and not getting very > far. There seems to be three ways to go so far: > > 1. Two cell phones, the one at the base station with a bluetooth > connection to the asterisk > server. > > 2.Two cell phones, a specialised craddle for the model of phone used > to connect. > > 3. GSM gateway appliance. > > The first and third option stand out as I'd prefer not be reliant on a > cell phone model. > > Questions: > > Is option 1. even feasible? Is there a standard data schema for > incoming call data such as caller ID, incoming/outgoing voice data, > etc.? > > Are there realistically priced home user variants of option 3? Most > I've seen so far are rack mounted 16-32 channel switching stations. If > so does anyone have experience with any or suggested > manufacturers/models? > > Are there cell phone model/provider/SIM chip differences I'm going > to encounter (obviously the models must have bluetooth for option 1 to > work)? > > Are there questions I don't even realise I should be asking? > > Basically any assistance in even pointing to the right resources would > be greatly appreciated. > > > P.S. I program professionaly so I'm not too worried about asterisk > side of things... or should I be? Heh. > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED]
