Point-to-Point Protocol over Ethernet (PPPoE) is a network protocol that encapsulates PPP frames within Ethernet frames, commonly used by ISPs to manage broadband connections.
POP (Post Office Protocol) is a standard protocol used by email clients to retrieve messages from a mail server, often downloaded to the local device for offline access.
Portability refers to the ability to transfer services, such as phone numbers or data, from one provider or device to another without losing functionality or access.
Porting is the process of transferring a phone number from one service provider to another, allowing customers to retain their existing number when switching carriers.
Post Office Protocol (POP) is used by email applications to download messages from a server to a device, enabling users to access and manage their emails offline.
Post, Telegraph, and Telephone (PTT) refers to state-run organizations in some countries that provide public communication services, including postal mail, telegraph, and telephone systems.