Three operators 3G Videophone will be interoperable

Whether you use mobile, Unicom or telecom 3G mobile phone, you can achieve different network between the video call. Reporters yesterday learned that the ministry and http://www.aliyun.com/zixun/aggregation/2272.html "> The three major operators to establish the relevant standards are being publicized."

According to the Ministry of Industry issued 202 projects for approval of communications industries, including the "3G videophone Business Network Interoperability technology requirements and testing methods," the standard stipulates the different operators of 3G video telephony business interoperability requirements and testing methods.

This paper mainly stipulates the interworking between different operators, including the interworking between h.324m Mobile Videophone, the interworking between SIP mobile videophone and the interworking between h.324m and SIP Mobile videophone, based on the h.324m of the video telephony service and the SIP protocol.

Similarly, the standard applies to the interoperability of videophone services between different operators wcdma/td-scdma/cdma2000 networks. At present, the above standards are in the publicity phase.

In the 3G era, the most attractive feature is wireless and visual communication. At present, the operators in the 3G Video call business, the tariff has been reduced, such as Unicom's videophone charges minimum of 0.3 yuan/minute. Mobile 3G video calling service charges for 0.4 yuan/minute, Telecom has not yet launched 3G videophone business. At present, mobile and unicom can not achieve 3G video calls, to 3G users caused a barrier.