Simplified Network

Building efficient, intelligent, and open 5G Cloud & Network

2G/3G/4G/5G/IMS Signaling Convergence

ZXUN DSC integrates multiple logical network functions such as DRA, STP, IWF, MNP, SCP, BSF and SEPP. And it supports Diameter/No.7/HTTP signaling access and interconnection of the 2G/3G/4G/5G/IMS networks, and various kinds of signaling routing service. In addition, convergent DSC reduces the quantity of NEs, and greatly simplify signaling networking of carriers.

As DRA, ZXUN DSC processes diameter signaling, and supports centralized routing, policy binding, load balancing and boundary routing scenarios etc.

As STP, ZXUN DSC processes No.7 signaling, and supports central and edge routing of IP STP scenarios.

As SCP, ZXUN DSC processes HTTP signaling, supports centralized routing and load balancing scenarios, converges network signaling routing and simplifies networking.

As BSF, ZXUN DSC supports the 5GC policy session binding scenarios and routes multiple sessions of the same user to the same PCF for processing.

As SEPP, ZXUN DSC supports the 5GC border routing scenarios, and provides functions such as signaling encryption, signaling screening and topology hiding to enhance network security.


Products Advantages

Advanced Architecture
On-demand Deployment
Excellent Interoperability


Applicable to 2G/3G/4G/5G/IMS

Easy O&M

Elastic Scaling
Automatic O&M

Latest Function

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Major Function

  • Diameter Routing Function

    Diameter routing function includes routing based on application ID and realm name, incoming peer ID, host name, command code subscriber ID (IMSI, MSISDN, PUI, PVI),etc.

  • SS7 Routing Function

    SS7 routing function includes: routing on MTP3/M3UA layer, routing on SCCP layer, routing on MAP layer.
  • Diameter Signaling Screening Function

    Interworking of Diameter signaling networks constructed by different carriers facilitates service cooperation but also incurs network attacks through illegal signaling. The carriers need to screen illegal requests in Diameter signaling to make the Diameter signaling network more secure and reliable. Diameter signaling screening screens illegal request messages in Diameter signaling to enhance security and reliability of the Diameter signaling network.
  • SS7 Signaling Screening Function

    Similar to Diameter Signaling Screening, SS7 signaling screening screens illegal request messages in SS7 signaling to enhance security and reliability of the SS7 signaling network. SS7 Signaling Screening includes: screening on MTP3/M3UA layer, screening on SCCP layer, screening on MAP layer.
  • MNP

    Mobile Number Portability is a service that enables subscribers to retain their existing numbers when they switch from one operator to another. MNP NE provides the query of subscriber home operator and HLR according to its subscriber number.
  • IWF

    In the development of network, the stage of different network is always different. e.g. the network of operator A is 3G, the network of operator B is 4G. When different networks need to interwork, interworking equipment is needed to translate the different signaling between different networks.
  • SCP

    • Indirect communication, message forwarding and routing to destination NF/NF service
    • Load balancing based on specific rules
    • Delegated discovery, delegating the discovery and associated selection of NF instances or NF service instances at SCP, instead of NF consumers.
    • Congestion and overload control, providing uniform load balancing/routing strategy across the network
  • BSF

    BSF (Binding Support Function) implements the PDU session binding function for 5G users. In BSF, each PDU session stores the session binding information including user ID, DNN, UE address (IP address or MAC address), and PCF address selected by SMF. It provides the PCF address query service for AF or NEF to ensure that the AF can identify the UE's service based on the UE address, so that the N5/Rx interface messages can be routed to the corresponding PCF for the PDU session of the UE.

  • SEPP

    SEPP provides the following functions for 5G signaling protection:
    •    Topology hiding
    •    Message filtering
    •    Confidentiality protection of parameters (such as SUPI), etc.

Related Resources