ICBC’s monthly text message subscription is 3 yuan, how many text messages can be sent?

50 text messages.

Short Message Service, or SMS for short, is text or digital information that users send or receive directly through mobile phones or other telecommunications terminals. The number of characters that users can receive and send each time in text messages is 160 English characters. or numeric characters, or 70 Chinese characters. The inventor of mobile phone text messaging is a Finn. Because Nordic people are more reserved in their feelings and don't like to express their feelings over the phone, they invented text messaging on a whim. Some people on the Internet say that the inventor of text messaging is American Martin Cooper, an employee of Motorola, but he invented the mobile phone, not text messaging. The world attributes the advent of the first mobile phone in 1973 to Martin Cooper, the chief designer of Motorola. It was not until nearly 20 years later that one of the most valuable additional services of mobile phones, text messaging, was announced. In 1992, Acision put the first Short Message Service Center (SMSC) system on the market. It was originally designed to investigate and improve the reliability of the developing mobile phone market. Later, Norway's local telecommunications company Telenor Became the first contract company of SMSC.