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AssigneeSamsung Electronics Co., Ltd.
InventorsSang-Kyung Sung, Joon-Goo Park, Kyung-Tak Lee, Sung-Jin Park
Estimating the term…
Disclosed is a method and system for establishing a session for a Push to Talk (PTT) over Cellular call (PoC). In the method, when an answer (response) mode of a PoC server and a PoC client are not in accordance with each other, an error message is transmitted to the receiving PoC server Moreover, call processing for a PoC call is improved by inserting a new data field indicating an automatic answer of a server into a payload of a Real-time Transport Protocol (RTCP) message, and a function of the terminal is extended using an added data field when the answer modes of the corresponding PoC server and PoC client are not in accordance with each other.
A call processing method in a PoC network in which a session is established in advance between a receiving PoC client and a receiving PoC server, and an automatic response mode is established in the receiving PoC server, the method comprising the steps of:
A call processing system in a PoC network in which a session is established in advance between a receiving PoC client and a receiving PoC server, and an automatic response mode is established in the receiving PoC server, the system comprising:
A call processing method performed by a PoC client in a PoC network, the method comprising the steps of:
A PoC client for performing call processing in a PoC network, comprising:
Dependencies are inferred from the claim text.