Direct Push is
Microsoft
Microsoft Corporation is an American multinational technology corporation producing computer software, consumer electronics, personal computers, and related services headquartered at the Microsoft Redmond campus located in Redmond, Washing ...
's technology for receiving e-mail instantly on
Windows Mobile
Windows Mobile is a discontinued family of mobile operating systems developed by Microsoft for smartphones and personal digital assistants.
Its origin dated back to Windows CE in 1996, though Windows Mobile itself first appeared in 2000 as Pock ...
5.0, 6.0 and 6.1 enabled devices, from
Microsoft Exchange Servers,
Kerio Connect
Kerio Technologies, Inc. is a former technology company specializing in collaboration software and unified threat management for small and medium organizations. Founded in 2001, Kerio is headquartered in San Jose, California. In January 2017, GFI ...
and
Zarafa. This service was launched primarily for business users and was supported around 2006 by about 100 operators.
It provides response times similar to the
push technology of
RIM's
BlackBerry
The blackberry is an edible fruit produced by many species in the genus ''Rubus'' in the family Rosaceae, hybrids among these species within the subgenus ''Rubus'', and hybrids between the subgenera ''Rubus'' and ''Idaeobatus''. The taxonomy of ...
service, but needs no special server upgrades other than having Exchange Server 2003 Service Pack 2. It works by initiating an HTTPS connection to the server through any connectivity that can carry an IP traffic such as GPRS or
EDGE technologies, through the firewall, then a front-end server that connects to the Exchange server that hosts the user mailbox. It also eliminates the need for devices to have a dedicated
IP address
An Internet Protocol address (IP address) is a numerical label such as that is connected to a computer network that uses the Internet Protocol for communication.. Updated by . An IP address serves two main functions: network interface ident ...
, but requires "Always on"
GPRS
General Packet Radio Service (GPRS) is a packet oriented mobile data standard on the 2G and 3G cellular communication network's global system for mobile communications (GSM). GPRS was established by European Telecommunications Standards Insti ...
or
3G connection. The Direct Push technology served as a feature for the Exchange Server ActiveSync service, which allowed Windows Mobile 5.0 and later versions of Windows Mobile software to keep their data up-to-date.
References
External links
Microsofts main site for this technology.
Understanding Direct PushKerio Connect wireless mobile synchronization
Push technology
Windows Mobile
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