Hi Hans, "Hanz Hager (ESF)" wrote: > > Hi! > > Even though it is expensive to WAP over SMS, there is one good reason for doing so. > It might be a long shot, but still a little bit interesting for some special >applications. > > When you talk on the phone you can not simultaneously have a CSD session and on most >GPRS phones you can not have data communication at the same time as you talk on the >phone. Still, SMS is a bearer that works when you are on the phone. This means that a >WAP push can come to the phone while you speak, but it also means that a user can use >a WAP application while speaking on the phone. I guess this might be hard if the >phone is held next to the ear, but you can use a hands-free equipment :-)
Yes, it would be nice if Kannel supports as many bearers and phones as possible. Does this mean that you can accept a call when the phone is performing a WAP request ? > > Now, having said that - can someone tell me if the job to make Kannel to support WAP >over SMS is a big thing or if this is just not included because it has low support in >the phones and at the operators? It is quite big thing, but not bigger than for instance writing a new SMSC driver ;) > > If this is the case, maybe you can tell me where to start making the changes or help >me to do it. > > I have looked a little bit at it and in my view it looks like the only thing that >needs to be done is to make a connection between the smsbox and that wapbox if there >is an SMS with a special UDH (or whatever it is that designated the WAP over SMS >message) and the package the reply to the WAP request in a return SMS message. Yes, these are main things. Special UDH is a common way to mark a WAP request. There are a separate document for implementing WAP over SMPP, but I think that we should not use it (it defines so many headers that one wonders how many bytes are left for payload). Aarno
