name: PTT
full_form: Push to Talk
context: The 3GPP network shall be able to support interception of IMS based Push-to-Talk (PTT). - Services as defined in TS 22.179 [26] or OMA PoC System Description [27] and shall support Location reporting of the target; - Intercepted IMS PTT communications (e.g. IRI or IRI/CC) shall be able to be delivered separately from other IMS services; - Intercepted IMS PTT communications media types such as PTT Speech, PTT Audio (e.g. music), Video and Discrete Media (e.g. still image, formatted and non-formatted text, file) shall be able to be delivered as separated services. The requirements for Mission Critical Push To Talk (MCPTT) service as defined in TS 22.179 [26] and the OMA PoC System Description [27], may also form the basis for a non-mission critical Push To Talk (PTT) service; those capabilities in either standard can be used as a basis for the service definitions. If the CSP offers both MCPTT and non-mission critical PTT services, the service shall be able to separate the interception
description: Push-to-Talk (PTT) is a telecommunications service that enables users to communicate with each other in real-time using voice or multimedia messages. In the context of IMS-based Push-to-Talk, it refers to a service that allows for interception and delivery of PTT communications separately from other IMS services.
explanation: The provided text explicitly states that 'IMS based Push-to-Talk' is a service defined in technical standards, indicating its role as a telecommunications offering.  Furthermore, the mention of requirements for different types of PTT services reinforces its classification as a distinct service.
section_title: 5.16	LI requirements for IMS based Push-to-Talk
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