SMSC (Short Message Service Center)

A Short Message Service Center (SMSC) is a network element in the mobile telephone network. Its purpose is to store, forward, convert and deliver Short Message Service (SMS) messages. The full designation of an SMSC according to 3GPP is Short Message Service – Service Center (SMS-SC). The main types of SMS handled by an SMSC are:

  1. From mobile to another mobile – referred to as MO-MT (Mobile Originated – Mobile Terminated)
  2. From mobile to a content provider (also known as Large Account / ESME) – referred to as MO-AT (Mobile Originated – Application Terminated). Also known as P2A (Person-to-Application) SMS.
  3. From application to a mobile – referred to as AO-MT (Application Originated – Mobile Terminated). Also known as A2P (Application-to-Person)

See Melrose Labs SS7 SMSC,
  Melrose Labs Tyr SMS Gateway

Melrose Labs: 我们的使命是为企业,短信聚合器和消息传递提供商提供跨移动,固定电话和互联网的云通信中的关键服务。这些服务使组织能够在向客户提供服务,可靠性,对服务的洞察力以及提高的运营效率方面取得飞跃。