- All You Need To Know About MS Direct Push Mail
Vanitha Prabhakaran has written a very detailed article explaining how Direct Push in Exchange 2003 SP2 works when paired with a MSFP Windows Mobile device and has included a lot of troubleshooting steps should you be having problems. Whether you have E2003SP2, are thinking about it or want to be prepared in case problems arise in your implementation.
Exchange 2003 introduced the Always Up To Date notification feature (AUTD) that kept devices up to date by sending SMS triggers to the device. The triggers were sent from the enterprise as SMTP messages to the SMTP front end at the mobile operator. They were then sent through the SMS gateway as SMS messages to the device. This approach had some limitations since not all mobile operators did the SMTP to SMS conversion. Even when they did, there was latency involved with SMS messages and there were end-to-end reliability issues. Also some mobile operators charged for each incoming SMS message so that added an extra dimension to the cost of staying up to date. To alleviate these issues, Exchange 2003 SP2 introduced Direct Push.
you should check this article out!
For Firewall troubleshooting read more here!
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