NEC NDA-24305 - page 152

CHAPTER 5 NDA-24305

Page 13 4

Revision 1.0

PRI FAILSAFE ROUTING

P-49 PRI FAILSAFE ROUTING

1. General Description

When call origination via ISDN network is not available due to failure, etc., this feature allows the call to be

placed via alternative route (Public Switched Network.)

2. Operating Procedure

No manual operation is required.

3. Programming

STEP 1: ARTD - Assign the expansion route class data for dummy route. The expansion route class data of

the dummy routed is ADVPRA (CDN : 111) = 1.

Contents

Main Page Page Page ISDN Feature Pr ogramming Manual NDA-24305 Page Page ISDN Feature Pr ogramming Manual Page Page NEAX2400 IPX ISDN Feature Programming Manual TABLE OF CONTENTS Page Page Page LIST OF FIGURES Page LIST OF TABLES Page CHAPTER 1 INTRODUCTION Page CHAPTER 2 GENERAL INFORMATION CHAPTER 2 NDA-24305 Page 4 GENERAL INFORMATION Figure 2-2 Message Sequences for Layer3 3. BASIC KNOWLEDGE 3.1 MESSAGE SEQUENCES FOR LAYER 3 The message sequence for call establishment and clearing is shown in Figure 2-2. Note 1: <Call established message> <Call clearing message> Note 2: The number in ( ) shows Call state value for User or Network. Page Page CHAPTER 3 BASIC DATA ASSIGNMENT FOR ISDN Page Page Page NDA-24305 CHAPTER 3 Page 11 BASIC DATA ASSIGNMENT FOR ISDN Figure 3-1 ATRK for 24PRT CHAPTER 3 NDA-24305 Page 12 BASIC DATA ASSIGNMENT FOR ISDN When #0 DCH of 2DCH card is used. Page Page Page Page CHAPTER 4 COMMANDS CONCERNING ISDN DATA ASSIGNMENT Page Page Page Page Page Page Page Page Page CHAPTER 5 GATEWAY SERVICE Page Page Page Page Page Page Page Page Page ICM XXXX XFR XXXX (Time Display) TRANSFER XXXX Page Page Page Page Page Page Page Page Page Page PCK XXXX PICK UP XXXX Page Page Page f (t) bit 0-3 bit 4-7 0ms 120ms No detection SHF detect 1080ms Disconnection Page Page Page Page Page Page TC MTC Page Page Page Page Page Page Page DND SET XXXXXXXX DND CNCL XXXXXXXX DND CANCEL XXXXXXXX Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page LNR [#]/SPD [ ] 1 811625643 LNR [#]SPEED [ ] 1 811625643 LNR [#]/SPD [ ] 2 25191 LNR [#]/SPEED [ ] 2 25191 Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page SPD SET SPEED SET Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page XX X XX X CNF CONF Page Page Page Page Page Page CHAPTER 6 SUPPLEMENTARY SERVICE Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page NDA-24305 CHAPTER 6 Page 189 CCIS TANDEM CALL-CALLING PARTY NUMBER (CPN) DELIVERY TO ISDN & Q-SIG NETWORKS Figure 6-2 Example of a Call Origi nated through CCIS Line to Correspondin g ISDN Network An example for the call originated through CCIS line to the corresponding ISDN network. Page Page Page Page Page Page Page Page Page Page Page Page Page 20 2 Q-SIG/ISDN INTERNATIONAL GATEWAY SWITCHING Note 3: Varies depending on the terminal type. system data assignment (In this case, the output Layer 1 protocol is fixed as -law). Table 5-1 Reference: Output Layer 1 Pro tocol - : Not Applicable Page Page Page Page Page Page Page Page Page Page Page Page Page Page 21 6 VIRTUAL TIE LINE REL CALL PROC Setup/Cancel Protocol for Virtual Tie Line 2. Operating Procedure No manual operation is required. CONN DISC REL Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page NDA-24305 CHAPTER 6 Page 247 CALL COMPLETION TO BUSY SUBSCRIBER (CCBS) 4. Station C dials the access code for CCBS; Station C receives Service Set Tone and hangs up. 5. Both Stations A and B hang up (i.e. Station B becomes idle); Station C rings. When using line/feature key: 6. Station C answers and receives Ring Back Tone; Station B rings. 7. Station B answers; Stations C and B are connected. 1. Station A and Station B are in station-to-station connection. 2. Station C dials the number for Station B; Station C receives Busy Tone. 3. Station C presses the feature key for CCBS; Station C receives Service Set Tone and hangs up. Page Page Page Page Page Page Page Page Page Page Page Page Page 2. Rerouting function is also available for the call in the example below. the LCD of Station A belonging to Office 80. Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page (c) The connection patterns for the UUS transmission are shown in the figure below. Page Page Page Page 28 6 Q-SIG (CIRCUIT SWITCHED BASIC CALL - ETSI VERSION) PBX to PBX Control Plane Protocol Model Note: Conforming to Q921-a (PBX-PBX Interface) Page Page 28 8 Q-SIG (CIRCUIT SWITCHED BASIC CALL - ETSI VERSION) Note: 4. Example of Message Sequences Page Page (c) The connection patterns for the UUS transmission are shown in Figure 6-1. Page Page Page Page Page 29 6 ADVICE OF CHARGE (AOC) - RECEI PT AND DISPLAY OF AOC FROM A FOREIGN Q- SIG NETWORK (1) Message Sequence of charge information sent when the call is disconnected from a called user (2) Message Sequence of charge information sent when the call is disconnected from a calling user