I am assuming that your device detaches from the network. When you are
attached the following is possible

- the network is capable of tracking the MS (via subsequent location
updates)
- network is aware of the services and networks that the user may have
access to.

Location updates are impacting the battery lifetime which should be
avoided with detaching from the network.

--
Roman Baumgaertner
Sr. SW Engineer-OSDC
·T· · ·Mobile· stick together
The views, opinions and statements in this email are those of the
author solely in their individual capacity, and do not necessarily
represent those of T-Mobile USA, Inc.

On Aug 13, 7:44 pm, Gabriel Tessarolli <gabriel.tessaro...@gmail.com>
wrote:
> Hi,
>
> In cupcake release, it is known that only one network interface can be
> active at a time. That is, if you turn Wifi ON and connect to a network, the
> GPRS/UMTS interface will be dropped.
>
> Does that mean that handset will perform GPRS detach? It deactivates the PDP
> context, but what about GPRS attach?
>
> Also, by turning the device ON and having a WiFi network available and
> correctly configured on handset, will it perform GPRS attach at all?
>
> Thanks in advance!
>
> Gabriel
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