Attachments have file size limits. While we would still encourage keeping file sizes small, if you do need to send a larger file, attachments have file size limits. For files larger than 10MB using a link should be a rule. Attachments can use up a lot of storage.
Welcome to TDOP. The Teaching Dimensions Observation Protocol (TDOP) is a customizable observation protocol can be used to produce robust and nuanced depictions of the dynamics that unfold among teachers, students, and technologies in the classroom.
Session Initiation Protocol (SIP), connection management protocol developed by the IETF; H.323, one of the first VoIP call signaling and control protocols that found widespread implementation. Since the development of newer, less complex protocols such as MGCP and SIP, H.323 deployments are increasingly limited to carrying existing long-haul network traffic. [citation needed] Media Gateway Control Protocol (MGCP), connection management for media gateways