
Net::SIP::Response - handling of SIP response packets

my $resp = Net::SIP::Response->new( '401','Authorization required',... );

Subclass of Net::SIP::Packet for handling response packets.

Inherited from Net::SIP::Packet. See there.
Seldom used directly, usually responses get not generated from scratch, but based on a request with the create_response method from Net::SIP::Request.
