A Signal Transfer Point (STP) is a node in an SS7 network that routes signaling messages based on their destination point code in the SS7 network. [1] It works as a router that relays SS7 messages between signaling end-points (SEPs) and other signaling transfer points (STPs).

Each node in an SS7 network is an SP. The signaling address of the SP is known as a signaling point code (SPC). The switch sends a message to the SCP asking for instructions. The SCP, based upon data and service logic that is available, will …

2013年5月16日 · ss7是一套全球电信协议标准，为公共交换电话网络(pstn)中的网元通过数字信令链路交换控制信息以设置、管理和断开有线及无线呼叫定义标准。 ss7也是为提供现在的高级智能网络(ain)特性和服务定义所需的传输和处理数据库请求程序的协议。ss7日益被用于将pst

• At present the dominant inter-exchange signalling system in digital networks (PSTN, ISDN, PLMN) • SS7 is in effect a robust, high-performance packet switched network, intended for secure transmission of signalling messages • ITU-T Q.700-series Recommendations. Channel-associated vs. common channel signalling.

SSPs are switches that have SS7 software and terminating signaling links. An SSP can be a combined voice/SS7 switch or an adjunct computer system (front end) connected to a voice (Class 5 or tandem) switch.

2009年8月23日 · 信令点之间的网络信息流量通过一个叫 stp 的包交换局来转接及路由。 stp 点通过信令消息里的路由信息来转接每个消息到相应的信令链路上。 stp 担当的是一个网络路由器的功能，所以它使得每个 sp 之间无须建立直达信令链路，提高了网络的利用率。

2006年3月9日 · 将消息从一条Link转到另一条Link的信令点 (如 : 既非发起用户部分功能又非接收用户部分功能)称为信令转接点 (STP). 信令链路 (Link) : No.7 信令通过 " 信令链路 " 传递两个信令点间的信令消息 .

SS7 network has three types of nodes. Each node has specific functionalities. Signaling Switching Points (SSP) This node terminates the wireless side (BSC/BTS) and connects to the rest of the network over SS7. An SSP may be connected to another SSP directly, or it may be connected via a signaling gateway.

STP- Signal Transfer Point, packet switches of the SS7 network, perform routing functions. It allow exchanges to send and receive signaling information from each other. SCP- Signal Control Point, databases that support advanced call processing functions. Used in free phone services where called party is charged for the call made.

Signaling Point (SP) Each node in an SS7 network is an SP. The signaling address of the SP is known as a signaling point code (SPC). Linkset Group of signaling links directly connecting two SPCs For capability and security reasons