IMS的发展主要是通过通信行业的竞争推动的。在网络建设方面,因为现在通信行业竞争很激烈,仅仅通过加大网络建设已经不能适应当前的发展形势,各个运营商都在寻找更加有效的方法,以更加小的投入来提供高效高速稳定的业务平台,由此就想到各种各样的融合,从终端的融合、网络的融合 The development of IMS is mainly driven by competition in the communications industry. In terms of network construction, the competition in the communications industry is fierce. Only by increasing network construction can no longer meet the current development situation, all operators are looking for more effective ways to provide a more efficient and stable service platform with a smaller investment , Thus thinking of all kinds of integration, integration from the terminal, network integration