中国移动：北斗短信重大升级 “文字+图片+语音”来了

Core Viewpoint - China Mobile has officially launched a significant upgrade to its Beidou messaging service, enhancing its capabilities to include multimedia messaging features such as images and voice, marking a new phase in Beidou communication with improved text transmission capacity [1] Group 1 - The upgrade adds multimedia messaging capabilities to the existing text messaging service [1] - The text transmission capacity has been upgraded to allow for 40 Chinese characters in the upward direction and 10 Chinese characters in the downward direction [1] - This development signifies a transition for Beidou communication into a phase where it can support visual and auditory messaging [1]