If its your battery drainage issue, this could explain it:
http://blogs.zdnet.com/ip-telephony/?p=1148

In a newly posted piece on Salon.com, two former AT&T network engineers
state that an AT&T NOC (Network Operations Center) in Bridgeton, Mo.
houses a 20 by 40 foot, secret room where it is thought that National
Security Agency operations can be performed.
It is also believed that these operations can include the capability of
intercepting VoIP calls.
The report adds some new details to previous accounts revealed by
former AT&T engineer Mark Klein of the facility's role- including, as I
noted on May 23- possible data interchange with a secure room at an
AT&T facility in San Francisco said to have the ability to track and
analyze phone calls and Internet traffic.
...
June 23, 2006 | A federal court in California released a previously
sealed 40-page document on Thursday in the Electronic Frontier
Foundation's lawsuit against AT&T, which bolsters allegations that the
telecommunications giant built secret rooms to allow the National
Security Agency to conduct widespread surveillance of Internet traffic.
The document also paints a detailed scenario of how the NSA may be
conducting the top-secret operation, which closely matches information
given to Salon by a former AT&T employee who worked at the company's
network operations center in Bridgeton, Mo.

The document, a statement by J. Scott Marcus, a former senior advisor
for Internet technology to the Federal Communications Commission, was
filed under seal on April 5 on behalf of the EFF to support its
class-action suit against AT&T, which alleges that the company violated
a number of federal laws in aiding the government's domestic spying
operation against AT&T customers. The court sealed the document because
it contained proprietary AT&T information, then ordered AT&T and EFF to
work together to produce a redacted version to place in the public
record, which they did on Thursday.

EFF asked Marcus to examine records from a former AT&T technician in
California named Mark Klein that describe how AT&T reconfigured its
network in San Francisco and installed special computer systems in a
secret room, allegedly to divert and collect Internet traffic to help
the NSA conduct warrantless surveillance. Were the records authentic
and was it feasible that they described a government surveillance
program, or could the reconfiguration and systems have been put in
place for more innocuous uses?

Marcus concludes in his statement that the documents are authentic and,
after considering a number of possible reasons for the reconfiguration
-- such as legitimate network monitoring and maintenance -- writes that
the system AT&T installed in a secret San Francisco room, and likely
other cities, was "exceptionally well suited to a massive, distributed
surveillance activity" and that "no other application provides as good
an explanation for the combination of engineering choices that were
made."