Dialogic DSI Signaling Web Services
Based on Dialogic DSI G51 Signaling Controller
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Overview:
Web Services Interface for SMS, USSD and Location Based Services
Dialogic DSI Signaling Web Services (DSI SWS) is a scalable, high-performance signaling platform combining connectivity to SS7- and SIGTRAN-based mobile networks with a Web Services API to simplify mobile VAS application development. DSI SWS can enable applications built using standard web services development techniques for SMS Messaging, Unstructured Supplementary Services Data (USSD), and Location Based Services (LBS).
Extends the Reach of Business Applications
DSI SWS can enable a broad range of Value-Added Services (VAS) in carrier environments, including handset provisioning, subscriber alerts, emergency response, mobile advertising, and mobile payments. SWS can be used to send text messages notifications to mobile users, interact with customers using USSD, or determine the location of cooperating subscribers.
Figure 1 provides an example of how signaling web services based on the Dialogic DSI SS7G41 Signaling Server can be deployed in a service provider network.
Figure 1. Dialogic DSI SS7G41 Signaling Servers in a Service Provider Network
Offers High Availability and Flexible OA&M
The DSI SWS offers carrier-ready fault resiliency, occupies a small (1U) footprint, and offers dual hot-swappable AC power supplies. It supports standard operations, administration, and maintenance (OA&M) interfaces via a web browser, a command line interface, and SNMP, allowing easy integration into automated, centralized management systems.
Features and Benefits:
| Features | Benefits |
|---|---|
| Service-oriented, RESTful Web Services API for SMS, USSD, and LBS utilizing HTTP with an XML payload | Allows the rapid creation of applications that can interact with mobile handsets using a wide variety of programming languages, including Java, Python, PHP and the .NET framework |
| Supports all layers of the SS7 protocol stack up to and including the MAP layer over TDM and SIGTRAN networks | Facilitates global deployment and the ability to configure protocol variants at runtime |
| Scales from 8 Low Speed Links (LSL) up to 248 LSL or 8 High Speed Links (HSL); HSL can be Q.703 Annex A or ATM | Allows cost-effective use of a common platform across a wide range of deployments; allows scaling of platform capacity over time |
| SIGTRAN capacity (M3UA/M2PA) scales from 8 to 256 TDM link equivalents using flexible throughput-based licensing | Lets provisioned capacity match deployment needs at installation |
| Compact 1U form factor with dual hot swappable AC power supplies | Permits excellent link density in a small footprint for required deployment options and carrier-ready resilience |
| Supports both browser and command line interface for OA&M in addition to SNMP and “lights-out” management | Facilitates comprehensive, user-friendly remote management using standard tools |
| Built-in traffic measurement, event logging, and protocol tracing (including PCAP format), backed by fully documented internal interfaces between protocol layers | Provides good visibility of utilization and traffic levels and facilitates fast resolution of network protocol issues |
Specifications:
| Configurations | DSI SS7G41 | |
|---|---|---|
| Form factor | 1U Rack Mount Server | |
| SS7 T1/E1 interface boards | Up to two boards per unit; either Dialogic DSI SS7LDH4 Network Interface Board or Dialogic DSI SS7MDL4 Network Interface Board are used | |
| Configurations | SS7LD | SS7MD |
| T1/E1 ports per board | 4 T1 or 4 E1 | 4 individually selectable T1/E1 |
| SS7 Low Speed Links per board | Up to 16 | Up to124 |
| SS7 High Speed Links (Q.703 Annex A) per board. | N/A | Up to 4 |
| ATM High Speed Links per board. | N/A | Up to 4 |
| Maximum SS7 links per unit | 248 | |
| Maximum SS7 link sets per unit | 64 | |
| Maximum M2PA links per unit | 256 | |
| Maximum number of SS7 routes | 4096 | |
| Maximum number of SIGTRAN associations | 256 | |
| 10/100/1000Mbit/sec Ethernet interfaces | 4 as standard; can be increased to 6 using Dual Gigabit Ethernet NIC accessory SS7G41NIC, which consumes one of the signaling board slots | |
| Transactions per second over TDM or SIGTRAN (required number of transactions vary; for example, sending an SMS typically requires two transactions while a location lookup requires one) | 12,000 (provisional figure) | |
| Power | AC or DC | |
| MTBF (Using Telcordia method at 40°C) | 95,000 to 133,000 hours, depending on type and number of boards in chassis (assumes dual PSU configuration) | |
| T1/E1 Interfaces | ||
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| Line codes | HDB3, AMI, B8ZS | |
| Connector type | RJ-48C | |
| Power | ||
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| AC-powered products |
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| Physical Dimensions | ||
| Height | 1.74 in. (4.4 cm) | |
| Width | 16.93 in. (43.0 cm) | |
| Depth | 20.4 in. (51.9 cm) | |
| Weight – fully equipped | 26.8 lbs (12.16 kg) | |
| Environmental | ||
| Operating temperature | +50°F (+10°C) to +104°F (+40°C) | |
| Storage temperature | –40°F (–40°C) to +158°F (+70°C) | |
| Safety and EMC | ||
| International |
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| Telecommunications | ||
| International | TBR12, TBR13 | |
| United States | TIA-968-A | |
| Canada | CS-03 | |
| Warranty | 3-years | |
Documentation:
Download the Dialogic DSI Signaling Web Services Datasheet (.PDF)