Manuals / Dialogic / Computer Equipment / Network Router

Dialogic DSI SPCI Network Interface Boards manual Dynamic Operation

Models: DSI SPCI Network Interface Boards

1 111
Download 111 pages 63.34 Kb
Page 29
Image 29

Dialogic® DSI SPCI Network Interface Boards Programmer's Manual Issue 5

LIU_SC_DRIVE 0 0 512 0xfffefffe * 30 E1 voice ccts on ts 1..15 & 17..31

LIU_SC_DRIVE 0 1 542 0xfffefffe * 30 E1 voice ccts on ts 1..15 & 17..31

LIU_SC_DRIVE 0 2 572 0xfffefffe * 30 E1 voice ccts on ts 1..15 & 17..31

LIU_SC_DRIVE 0 3 602 0xfffefffe * 30 E1 voice ccts on ts 1..15 & 17..31

LIU_SC_DRIVE 1 0 632 0x00fffffe * 23 T1 voice ccts on timeslots 1..23

LIU_SC_DRIVE 1 1 655 0x00fffffe * 23 T1 voice ccts on timeslots 1..23

LIU_SC_DRIVE 1 2 678 0x00fffffe * 23 T1 voice ccts on timeslots 1..23

LIU_SC_DRIVE 1 3 701 0x00fffffe * 23 T1 voice ccts on timeslots 1..23

4.7.3Dynamic Operation

The application controls dynamic changes to CT bus switching by sending the MVD_MSG_SC_LISTEN message to the board. This message is documented in chapter 5 Program Execution. It contains the liu_id, the timeslot number on the T1/E1 interface and the CT bus channel number (sc_channel) to which the timeslot listens. The message is directed to the correct board by calling the GCT_set_instance function prior to calling GCT_send.

When a new call arrives, the application needs to instigate 2 listen commands (although they do not necessarily both apply to the SS7 board). One connects the voice circuit in the forward direction and the other connects it in the backward direction.

When a call terminates, the application must issue a fixed data message to ensure the network port sees the voice idle pattern.

4.7.4Example Code - Building and Sending SC_LISTEN

/*

*Example function for building and sending an MVD_MSG_SC_LISTEN

*message to a SPCI2S or SPCI4 signalling board.

*

*The only change that the user needs to make is to fill in the

*OUR_MOD_ID definition below so that is equal to the module_id

*of the application module.

*/

#define OUR_MOD_ID

(0xef)

 

 

#include "system.h"

/* Definitions of

u8, u16

etc */

#include "msg.h"

/* Definitions of

HDR, MSG etc */

#include

"libc.h"

/* Used only for memset prototype */

#include

"sysgct.h"

/* Prototypes for

GCT_xxx

*/

29

Page 28 Page 30
Page 29
Image 29
Dialogic DSI SPCI Network Interface Boards manual Dynamic Operation, Example Code Building and Sending Sclisten
Page 28 Page 30

DSI SPCI Network Interface Boards specifications

Dialogic DSI SPCI Network Interface Boards are highly advanced and versatile communication solutions tailored for the demands of modern telephony and multimedia applications. These boards are designed to efficiently process voice, data, and signaling, making them an essential component for businesses looking to enhance their communication capabilities.

One of the standout features of the Dialogic DSI SPCI boards is their ability to handle multiple telephony protocols. This flexibility allows users to connect to various network types, whether PSTN, VoIP, or legacy systems, ensuring seamless interoperability. The boards support industry-standard protocols such as ISDN, SS7, and SIP, enabling integrated communication across diverse platforms.

The technology behind the Dialogic DSI SPCI boards incorporates state-of-the-art digital signal processing (DSP). This powerful DSP architecture provides efficient encoding and decoding of voice and video signals, leading to enhanced call quality and reduced latency. Moreover, the DSP technology supports advanced codecs, ensuring that voice communication is clear and intelligible, even over bandwidth-limited connections.

Another significant characteristic of these boards is their scalability. Organizations can start with a single board and expand their telecommunication capabilities as their needs grow. This scalability makes them suitable for a wide range of applications, from small businesses to large enterprises, allowing for easy integration into existing infrastructures.

In addition to their powerful processing capabilities, Dialogic DSI SPCI boards also prioritize reliability and robustness. They are designed with a focus on fault tolerance, ensuring that telephony services remain uninterrupted even in the event of hardware failure. This resilience is critical for mission-critical applications where downtime can lead to significant revenue loss.

Furthermore, the boards feature extensive application development support. Developers can leverage the Dialogic API and various development kits to create custom telephony applications that meet specific business requirements. This programmability opens the door to innovative solutions, such as interactive voice response (IVR) systems, automated call distribution (ACD), and customer relationship management (CRM) integration.

In summary, Dialogic DSI SPCI Network Interface Boards are a cornerstone for organizations looking to innovate their telecommunication systems. With their support for multiple protocols, advanced DSP technology, scalability, reliability, and development support, these boards empower businesses to optimize their communication strategies and adapt to the evolving landscape of digital interaction.