=head1 NAME
Net::SIP::Response - handling of SIP response packets
=head1 SYNOPSIS
my $resp = Net::SIP::Response->new( '401','Authorization required',... );
=head1 DESCRIPTION
Subclass of L<Net::SIP::Packet> for handling response packets.
=head1 CONSTRUCTOR
Inherited from L<Net::SIP::Packet>. See there.
Seldom used directly, usually responses get not generated from
scratch, but based on a request with the B<create_response> method
from L<Net::SIP::Request>.
=head1 METHODS
=over 4
=item code
Get numerical code of response.
=item msg
Get text for code from response.
=item method
Get method for orginal request by parsing the CSeq header.
=back