The female does most of the incubating (sitting on the eggs), but the male helps when he isn't looking for food. Eggs hatch in about 12 days. Once the young cardinals have hatched, the male tends to them while the female begins building a new nest.Northern Cardinals usually have two broods (sets of young) each year.he female does most of the incubating (sitting on the eggs), but the male helps when he isn't looking for food. Eggs hatch in about 12 days. Once the young cardinals have hatched, the male tends to them while the female begins building a new nest.
View More... 1  SIP, the session initiation protocol, is the IETF protocol for VOIP and other text and multimedia sessions, like instant messaging, video, online games and other services. Abstract from the RFC 3261 (formatted_and_explained version) - SIP: Session Initiation Protocol.
Table of Contents Overview of the Session Initiation Protocol Introduction to SIP Components of SIP SIP Clients SIP Servers How SIP Works Using A Proxy Server Using a Redirect Server SIP Versus H.323 Overview of the Session Initiation Protocol This chapter provides an overview of SIP.omponents of SIP SIP is a peer-to-peer protocol. The peers in a session are called User Agents (UAs). A user agent can function in one of the following roles: User agent client (UAC)A client application that initiates the SIP request.