Push to talk is especially suited for cases where users need to communicate occasionally but repeatedly with the same group or individual. Nokia's end-to-end push to talk solution offers a full feature set, and it will comply with the upcoming OMA standard and the IP multimedia subsystem as standardised in 3GPP. In turn, it will support several variants of push-to-media, such as video.
T-Mobile Hungary Telecommunication Company Ltd has 4 million subscribers, and provides quality GSM services at frequencies 900 and 1800 MHz throughout Hungary. The company won a 15-year UMTS licence granted by the National Communications Authority and was the first in Hungary to launch commercial 3G services, such as video-phoning. On 18 April 2002 T-Mobile Hungary became the first GSM operator in the world to launch overall commercial MMS services.
