The signaling gateway, is architected to be between networks that use SS7 and SIGTRAN signaling, such as PSTN, IP, 2G/3G mobile and IMS networks, relaying and routing signaling messages between these different networks, as a key element of the Next-Generation Network (NGN). The NGSG offers TDM-LSL/ ATM-HSL interfaces for connecting to legacy SS7 networks and SIGTRAN interfaces for communicating with softswitches, MGCF and other SIGTRAN-based signaling nodes.
Application
- SS7 message relay between PSTN/ATM/SIGTRAN networks
- SS7 STP substitution in legacy PSTN network
- Interconnecting legacy SS7 signaling equipment in the 2G/3G mobile network with IP-based application servers (IP-SMSC,IP-HLR,IP-AuC, etc.)
Features

High Performance
634 TDM SS7 Signal Links

Extensive Interfaces
Extensive signaling network interfaces (E1, ATM E1, IP)

Easy Operation
EMS/GUI for convenient centralized operation
- Carrier grade reliability
- Modular scalability
- Open standard interfaces
- Complete redundancy ensuring the highest reliability
- High-density : 624 TDM SS7 signal links
- Supports SS7 STP functionality
- High-performance signaling bandwidth
- Extensive signaling network interfaces (E1, ATM E1, IP)
- Standard signal management protocols for connecting to softswitches (M3UA, SUA, M2PA, SCTP)
- SNMP protocol for NMS connection
- EMS/GUI for convenient centralized operation
- Signaling protocol source developed in-house allowing for fast, low-cost customization
- Experience with a variety of deployments with major telecommunications carriers