Paul Keogh wrote:
a) PI sends push msg to PPG
b) PPG tries to resolve MSISDN into IP (from RADIUS acct mapping)
c) if MSISDN is online at this time, PPG is able to address the push message via IP
d) if it's not online, utilize SMS bearer to push the message (this is the current default behavior for MSISDN targets)
This is an interesting suggestion and could solve some issues
around IP addressable phones.
Do GPRS operators maintain this kind of RADIUS accounting information by default ? And if they do, does the network allow routing of IP packets back to the device ?
I guess they do maintain such RADIUS acct information. If they use it for PPG issues, that's a totally different thing.
AFAIK, you can't address the IPs from the outside world :(
Is anyone doing Push over IP ? This option offers a cost saving to the operator by moving Push from SMS to IP, particularly interesting for MMS notifications (Several operators have told me MMS is pushing SMSC license costs up).
hmmm, that's true for GPRS connections. But AFAIK, GPRS does not mean that you have a permanent IP stack available at the phone. Does it?
If yes, then you're obviously right that this would reduce SMS costs, due to IP addressing. Unfortunatly external providers (like we at Wapme) will a) not be able to send packets to the GPRS IPs, b) won't know which MSISDN<->IP mapping is there. So you can't address them actually via IP from the outside world.
Stipe
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