Required files
transport/udp_transport
transport/transport_and_route_resolver
util/message_fill
sip_logger
util/sipper_util
util/locator
util/validations
util/digest/digest_authorizer
sipper_configurator
response
request
session_manager
monitor
session_recorder
transaction/transaction
transaction/invite_client_transaction
transaction/invite_server_transaction
transaction/non_invite_client_transaction
transaction/non_invite_server_transaction
test_completion_signaling_helper
ostruct
rubygems
facets/more/synchash
ruby_ext/snapshot
session_state/dialog_routes
b2bua_session_mixin
media/sipper_media_event
media/sipper_media_client
media/sipper_offer_answer
sdp/sdp
sdp/sdp_parser
sdp/sdp_generator
custom_message
registration