IP Softphones Networking Overview | Lucent Technologies Release 8.2

IP Softphones

1 Networking Overview

3Add a DCP station (or change an existing DCP station) using the Station screen:

~Type [enter the phone model you wish to use, such as 6408D]

~Port: x if virtual, or the port number of an existing phone

~Security Code: [enter the user’s password]

~Media Complex Ext: [enter the extension of the H.323 station from the previous step]

~IP Softphone: y

~Go to page 2; Service Link Mode: as-needed

4Install the IP Softphone software on the user’s PC

5Install an H.323 V2-compliant audio application (such as Microsoft NetMeeting) on the user’s PC

		Administration for Network Connectivity
12	CID: 77730	555-233-504 — Issue 1 — April 2000

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Lucent Technologies Release 8.2 manual IP Softphones Networking Overview

Contents

Definity CID Contents LAN Administration Contents Appendix a Screens Reference 243 Appendix B Private Networking 311 Appendix C Security Issues 403 Appendix G References 459 Audience Issue StatusPurpose Issue Status Preface Ethernet Data Module screen is changed in ReleaseScreen Changes Ethernet Data Module screen IP routing and the IP Route screen Issue StatusPrefacePpp Data Module screen Issue Status Following chapter reorganization has been made for Release Reorganization Organization OrganizationGlossary Index Terminology TerminologyScreen Node How to access this book from the web How to order more copiesHow to access this book from the web Click Information Resources How to Order Books How to Comment on This BookTell us what you think Tell us what you think Telephone Number Where to Call for Technical SupportWhere to Call for Technical Support Trademarks Trademarks Trademarks What kinds of connections are possible? Trunks Definity Switch ConnectivityConnectivity Overview Definity Switch Connectivity Networking Overview Networks Call-signaling data DCS-signaling data Function of each circuit pack shown in is described below SwitchDefinity IP-Interface Tie-Trunk Circuit PacksPre-R7 circuit packs PI si only Netcon si only Isdn QsigLAN PPP Hardware Requirements for Upgrades from Pre-R7 Switches Release 8 Hardware RequirementsConnection Type Hardware Required Pgate TN577 R8si model R8csi model Definity Connection types and capacities Definity ECSR8 Model Connection Type Endpoint ISDN-PRI DCS+ Pgate LAN CsiISDN-TSC IP Softphones IP Softphones Networking OverviewTelecommuter application Road-warrior application IP Softphones Networking Overview Logical Addressing IP AddressingPhysical Addressing 128 Class a50% Class B 25% Class C Network ID Range Host ID Range Total IP Addresses 1 to128.0 to 192.0.0 to Subnetting How subnets are created Default Subnet Mask Class Type Network ID Host IDClass Type Network ID Subnet ID Host ID 11111111.00000000.00000000.00000000 255.0.0.0 No. Binary Subnet Class-C subnetsDecimal Bit subnets Example Subnet mask 255 22411100000 Digits Class a Class B Class C Default Default Gateway Security Alert PPP When to use IP routesConnection When IP Routes are Needed Type Route Type host Switch Node Destination Gateway Route Comments Connections DS1LAN IP Route Examples PPP Connections DS1 PPP with Ethernet Connections Default gateways for nodes 2 and 7, respectively SW B SW CSW a Ethernet-only Connections IP route needed because Issue 1 April Overview IP SolutionsCircuit Pack Requirements Software IP Solutions IP-Connected Trunks IP SoftphonesOverview 323 Trunks Trunk Trunk Administration 323 Trunks Trunk AdministrationEnabling Administration Maintenance-Related System Parameters IP Parameters Codec Bandwidth Requirement UDP Port Range Min Max Trunk Administration Task Summary Described in the next sectionNode names IP Interfaces Signaling Group 2 Administered NCA TSC Assignment~ PBX ID Trunk Group Network Regions Trunk Administration Task DetailTask 1 Assign Node Names Task 1 Steps Go to page 2 of the screenField Conditions/Comments Task 2 Steps Task 2 Define IP InterfacesEnter c-lan or medpro Trunk Administration 323 Trunks Field Conditions/Comments Task 3 Assign Link via ethernet Data Module to the LAN Task 3 Steps Task 4 Create a signaling group Task 4 Steps Configuration 4, for instructions Submit the screen Trunk Administration2 H.323 Trunks Are described in the Administrator’s GuideTask 5 Create a trunk group Open new Trunk Group form enter a tr n If using DCS, go to screen PBX ID Enter group members Task 6 Modify signaling group Open the Signaling Group form enter ch sigEnter values Task 6 Steps Task 7 Specify codecs Task 7 Steps Troubleshooting IP Solutions Trunk Problem SolvingTroubleshooting IP Solutions 323 Trunks Signaling group assignments TGA1 TGB1SGB1 SGA1 IP Softphone Problem Solving LAN Administration Supported Switches and Adjuncts Checklist for Prerequisite Administration Overview LAN AdministrationChecklist Item Otherwise Overview LAN Administration Checklist Item Configurations Organization of this chapter Task Summary Supported Switches and Adjuncts Intuity Audix LAN Setup Summary CMS LAN Setup Summary Task Summary Configuration 1 R8r -ppp- R8siConfiguration 1 R8r -ppp- R8si LAN Administration Prerequisite Administration ConfigurationSoftware-defined connections Hardware connections Switch 1 Task Assign Node Names Steps Switch 1 Task Assign Link via ppp Data Module to Switch Open Data Module form enter ad da n COS CORBCC CHAP? Switch 1 Task Assign Processor Channels Switch 1 and specifies the destination node and machine IDConfiguration 1 R8r -ppp- R8si Open the Processor Channel Assignment form enter ch com p Local Session number on this switch must equal Switch 2 Task Assign Node Names Switch 2 Task Assign Link via ppp Data Module to Switch This data module is assigned the next available extension This is a display-only field Switch 2 Task Assign Processor Channels Open the Processor Channel Assignment form enter ch com p End Enable links and processor channels Definity ECS R8csi Definity ECS R8rEthernet Task Summary Configuration See CentreVu CMS Software Installation and Setup Switch 1 Task Assign IP Interfaces End Open Data Module form enter a da n To CMS Name entered on the Node Names screen End Switch 2 Task Enable Bus Bridge Connectivity Open the Maintenance-Related System Parameters form enter Node-4 Interface on the router to the subnet of Switch Switch 2 Task Define IP Interfaces Switch 1 Task Assign IP Interfaces page 77 for an Add data next Switch 2 Task Assign IP Route to Switch Ip n Configuration 2 R7r +CMS -ethernet- R7csi LAN Administration Switch 2 Task- Assign Processor Channels For this connection. The Destination Port number on Intuity System Administration Definity ECS administration Intuity system administration Network Addressing Administer Extension Numbers, Channels Services Administer Subscribers IP address administered on the Lucent Intuity system IP Address 192.168.1.125 Worksheet B LAN Data for the Lucent Intuity System Enable links and processor channels Ethernet node-3 Definity ECS R8si R8si BX.25Hub Definity ECS R7si Definity ECS R7r Name IP Address Default Node-1 192 Node-3 ITC Switch 1 Task Assign pdm Data ModuleConfiguration 3 R8si-x.25 R8r Gateway LAN Administration Configuration 3 R8si-x.25 R8r Gateway Ethernet- R8si Field Conditions/Comments Switch 1 Task Assign Link via x.25 Data Module to Switch DTE/DCE 106 CID Configuration 1 R8r -ppp- R8si Add data module next Ch com p For each connection, the Local Session number on this switch Issue 1 April CID 111 112 CID Wideband transmission For the call setup. Enter y when administering the data Open Processor Channel Assignment form enter 116 CID Switch 3 Task Assign Node Names 118 CID Configuration 1 R8r -ppp- R8si 120 CID Switch 3 Task Assign Processor Channels Open Processor Channel Assignment form enter ch com p 122 CID Enable links and processor channels R8csi ECS R8siPpp Definity ECS R8csi Definity ECS R7csi Definity ECS R7si 126 CID Extension in the dial plan Enter values Node Name Name entered on the Node Names screen Switch 1 Task Assign Processor Channels 130 CID Must equal the Remote Session number on the remote switch Ch sig n TSC NCA-TSC 134 CID Switch 1 Task Assign ISDN-TSC Gateway LAN Administration Ppp- R8csiConfiguration 4 R8csi -ISDN- R8si Gateway Open the Isdn TSC Gateway Channel Assignment form enter NCA TSC As-needed means the administered NCA-TSC will be 138 CID Switch 3 Task Enable Bus Bridge Connectivity 140 CID Is complete that is, until after all data modules Switch 3 Task Assign Link via ppp Data Module to SwitchExtension in the dial plan Enter values Name Be a name entered on the Node Names screen For this connection. This number must match the Destination 144 CID Enable links and processor channels Review checklist Switch 1 administration Assign node names Ethernet Hub Configuration 5A Node-3 Ext 148 CID Digits Node Name node-2 CHAP? n 150 CID Switch 1 Task Assign IP Interfaces 152 CID Open Data Module form enter a da n Open the Processor Channel Assignment form enter Issue 1 April CID 155 156 CID Issue 1 April CID 157 Name IP Address Default Node-1-ppp 192 Node-2 Node-3 192 BCC Bearer Capability Class. This is a display-only field 160 CID Switch 162 CID Switch 2 Task Assign IP Route to node-3 See IP Routing page 251 in Appendix a for more Name IP Address Default Node-1-eth 192 Node-2 Node-3 Switch 3 Task Assign IP Interfaces 166 CID Open Data Module form enter a da n 168 CID End 170 CID Definity ppp ECS R8r PppDS1 172 CID Configuration 5B Submit the screen1 Issue 1 April CID 175 176 CID Switch 1 Task Assign IP Interfaces 178 CID Open Data Module form enter a da n Switch 1 Task Assign Link via ppp Data Module to C-LANa COS Switch 1 Task Assign Link via ppp Data Module to C-LANb Authentication Protocol security mechanism on this link 184 CID Issue 1 April CID 185 Must equal the Remote Session number on the remote switch Session Local Switch 1 Task Assign IP Route C-LANa to node-3 Switch 1 Task Assign IP Route C-LANb to node-2 Issue 1 April CID 189 Name IP Address Default Node-1a-ppp 192 Node-2 Node-3 Digits Node Name node-1a-ppp CHAP? n 192 CID Entered on the ppp Data Module screen 194 CID System assigns the route number 4. Enter values Name IP Address Default Node-1b-eth 192 Node-2 Node-3 Switch 3 Task Assign IP Interfaces 198 CID Network uses 1’s 200 CID End 202 CID Networking Example Network Diagram Overview Networking ExampleEthernet 10BaseT Hub Router CMS Isdn TSC Link/Channel/TSC Map Link/Channel/TSC Map Networking ExampleECS R6si ECS R8si ECS R8csi Network Map Network Map Networking ExampleR6si R8r Gateway R8si Switch-Node 1 Administration Switch-Node 1 Administration Networking ExampleConnection to Switch Node DS1 Circuit Packs Dial Plan Dial Plan Record Signaling Group Synchronization Plan Group 12 member Assignments Group 12 tie to Switch Node 2Trunk Groups Group 22 data to Switch Node 2- page1 Group 22 Group Member assignments Group 13 ISDN-PRI to Switch Node Group 13 member Assignments Group 14 tie to Switch Node 4 Group 14 Group 24 data to Switch Node Page1 Group 24 member Assignments Uniform Dialing Plan AAR Digit Analysis Pattern Isdn TSC Gateway Channel AssignmentRouting Patterns Node Names Data Modules Data module Pdm data module Ppp data module Processor Channel Assignments Ethernet data module Switch-Node 2 Administration Switch-Node 2 Administration Networking Example Trunk Goups Group 12 Uniform Dialing Paln Procr-intf data module Release 6 Processor Channel Assignment Screen Release 6 Interface Links screen Hunt Group Hunt Group Switch-Node 3 Administration Switch-Node 3 Administration Networking Example Change synch Group 13 ISDN-PRI Group 13 String Min Max Pattern Type Num Reqd 221 101 Aar 222 224 Mrk Lmt List Digits Digits 113 User Bus Bridge Switch-Node 4 AdministrationSwitch-Node 4 Administration4 Networking Example Switch-Node 4 Administration Networking Example Group 14 member Assignments 236 CID Change udp Name IP Address Ppp41 192 Ppp14 CMS 192 Router 192 Ethernet1 IP Routing 240 CID Intuity Translations for DCS Audix Networking Example CMS AdministrationIntuity Translations for DCS Audix CMS Administration Networking Example Screens Reference Networking Screens Other Network-Related Definity Screens Screens Reference Valid entries Usage Networking ScreensNetworking Screens Screens Reference Name Pages 2IP Address Inter-region IP connectivity allowed? IP InterfacesValid Values Usage Enable Eth Pt SlotCode Sfx Valid Value Usage Gateway Address Net Rgn Connection When to Define IP Routes Type Host IP Routes Network IP Routes LAN Board Route NumberDestination Node LAN1 LAN2 Route Type Preferences IP Media ParametersAudio Codec Data Module Screens Common Data Module FieldsValid Entries Data Module Usage Types Valid Entries Data Usage Module Types Nncsspp Valid Data Module Usage Entries TypesPort Link Valid Data Usage Entries Module Types Valid Data Module Usage Values Types Switched TAC + Dte, isn Establish Connection?Connected Data Module Connected To Unrestricted Test? Common Fields Network uses 1’s for broadcast addresses? Data Module TypeValid Usage Entries Are not listed below Common Fields Class a Class B Class C Default Networking Screens Screens Reference Valid Value Usage Chap Secret Destination DigitsChap? COS Hot-line , default , or Maintenance ExtensionPhysical Channel List Assigned Member Ext and Name Clocking Internal, externalExternal This form applies only to the r model Specifies the data transmission rate for this connectionSet to adjunct for DCS, CMS, or Intuity Audix Baud Rate Leave at 64 for normal operations Default isSent without confirmation. Default is Page Enter y if this PDM is the secondary data module used for Proc Chan EnableCommunication-Interface Processor Channel Audix , dcs , fp-mwi , gateway Gtwy-tcp , mis , msaamwlMsaclk , msahlwc , msallwc Msamcs , qsig-mwi , and blank Interface Link Interface Chan Destination Port Session LocalSession Remote Mach ID Circuit Packs Hardware configurationReconfiguration Single-carrier-stack CarrierCabinet Layout Carrier Type Lgate TN802 Screen for ISDN-PRI Non-Facility Associated Signaling Screen for ISDN-PRI Facility Associated SignalingChannels on its associated DS1 interface, and for no others Type ISDN-PRI Primary D-channel Associated SignalingGroup Number Secondary D-channel Max Number of NCA TSCMax number of CA TSC Trunk Group For NCA TSC Supplementary Service Protocol Trunk Group for Channel SelectionTrunk Brd Interface ID On pages 3-6 of the ATM Signaling Group screen Service/Feature Enabled As-needed Inactivity Time-out minTSC Index Local Ext Networking ScreensA Screens Reference Through Can include up to 15 digits BlankDest. Digits Adjunct Name 5000-9999 H.323 signaling group type is used for H.323 trunksValid entries Usage 1719, 1720 or 65535 Valid entries Usage Mulaw or alaw Valid entries Usage PROGress default ALERTing Valid entries Usage Or etsiValid entries Usage T1 or E1 Valid entries Usage Host , network , or pbx Isdn TSC Gateway Channel Assignments Sig Group Application Other Networking-Related Definity Screens Screens Reference Other Networking-Related Definity ScreensCommunication Interface Links Est Conn ExtDestination Number Conn Mod Data Module type netcon Maximum Bit Rate Special Dialing Option Assigned Member Ext Data Module type analog-dm Abbreviated Dialing Extended Trunk Access Call Screening Valid entries Usage Digits 0 through# character may only be used as First character Extension Number Portability Numbering Plan EPN Code Hop Channel Assignments Screen Pages 1 through X of the Screen Implementation notes Enter an interface link number in each fieldChan for G3si Network channel. Displays for G3si only Node Number Routing Partitioned Group NumberNode Number Route Pattern Inserted Digits to form Complete Number Routing Digits e.g AAR/ARS Access CodeMessage Waiting Indication Subscriber Number Prefixes Port Network 1 of the screenStratum Location/Name PrimarySecondary Slip Uniform Dial Plan Ext Codes AARCode ENPNode Local TempOOS UDPCode Ext Code, Type and associated data AARCode ENPNode Local TempOOS Location Code 310 CID Contents of this Appendix Private Networking Distributed Communications System Private Networking Distributed Communications SystemDescription of DCS DCS Features Attendant Control of Trunk Group AccessAlphanumeric Display for Terminals Attendant Direct Trunk Group Selection Busy Verification of Terminals and Trunks Automatic CallbackAutomatic Circuit Assurance Call Coverage DCS Call Coverage 316 CID Call Forwarding Call WaitingDistinctive Ringing Leave Word Calling DCS with Rerouting Multiappearance Conference/ TransferTrunk Group Busy/Warning Indication Form Field How to administer Enhanced DCSItalian DCS Protocol ISDN/X.25 gateway DCS Over ISDN-PRI D-channel How to administer DCS Over ISDN-PRI Channel NCA-TSC DCS feature considerations Busy/Warning DCS Over ISDN-PRILWC considerations DCS Interactions CASOperator ISDN-PRI UDP Busy Verification Asai CDR Distinctive Ringing GRSSDN Example DCS configurations EdcsMultiappearance Conference/Transfer Audix TSC PBX ID DCS?FRL TSC CA-TSC PBX-ID PBX ID Switch Ext Code Type Location Group # Grp Type Used for DCS? DCS Sig. Method Matching Min Max Del Replacement Net Conv Pattern String TSC Index Processor Application Channel For Sig Sig. Group Group # Grp Type UsedDCS PBX ID NCA-TSC Group # Grp Type Used for DCS Sig. Method Local Enable Establish Dest Far-end Appl Index ExtDialed String Min Max Rte Call Type Node Num Pat Centralized Attendant Service How to administer CASATM PNC? ATM-PNC CAS Remote Hold CAS Backup ServiceCAS Queues Branch-generated call-identification tones CAS Outgoing Call RoutingCAS Incoming Call Routing Considerations Branch Attendants Interactions 342 CID How to administer Emergency 911 Calls InteractionsNone Case #2 Extended Trunk AccessCase #1 Abbreviated Dialing Case #3Case #4 How to administer ENP Extension Number Portability Inter-PBX Attendant Service How to administer Inter-PBX Attendant Service Aplt ISDN-BRI ISDN-PRI Private Network AccessHow to administer Private Network Access Attendant Call Waiting How to administer UDP Distributed Communications System Private Networking Switch RNX UDP Code Extension Considerations 354 CID Isdn Feature Plus How to administer Isdn Feature PlusIsdn Feature Plus Private Networking ~ G3 Version field to ~ Isdn Feature Plus field to y Description Differences in Inserted Digits field Interrogation Interactions Forwarding and Coverage Qsig Qsig Category Supported Features Qsig Basic Call Setup Qsig Basic Supplementary ServicesTransit switch information Transit Counter ANF-TC Tandem switch information Isdn numbering formatsDiversion Call Transfer Call Offer Call Completion Qsig Centralized SS-CC Options What you do not get Other Qsig Centralized MessagingWhat you get with Qsig Centralized Audix Qsig Centralized Attendant Services Attendant ServicePath Retention Potential Drawbacks Qsig Supplementary Services with Rerouting Qsig Path ReplacementQsig CAS functions in RLT-CAS Qsig CAS functions not in RLT CAS Qsig Transfer into Lucent Qsig Voice Mail Qsig Value-Added Lucent ValuRerouting Transfer into Qsig Voice Mail CA-TSC DCS only Temporary Signaling Connection TSCsQsig Protocols Protocol standards Setting Up Qsig Qsig capabilities ~ Async. Transfer Mode ATM Trunking field is y ~ Basic Call Setup field is y~ Basic Supplementary Services field is y ~ ISDN-BRI Trunks field is y Numbering Format public, private, unknown, unk-pvt Setting Up Qsig Supplementary Services Setting Up Centralized Steps Attendant Services Transfer into Voice Mail Setting Up Qsig Valu Steps Call Coverage Coverage with Qsig Diversion with Rerouting Related Phone Related Hunt Group AdministrationRelated Administration Terminating Extension Groups Calling Party Number to AUDIX? y Qsig Interactions Call Forwarding Diversion Path Replacement Transfer Into QsigVoice Mail Qsig Name Transit Counter 382 CID Message Waiting Indications Isdn Qsig BRI Called/Busy Name Adjunct Switch Applications Interface AsaiIsdn Qsig 386 CID Service CAS 388 CID Attendant Release Loop Operation 390 CID Qsig 392 CID Extending a Call 394 CID Centralized Voice Mail Via Mode Code Configuration requirementsCentralized Voice Mail Via Mode Code Private Networking Definity ECS R8 Feature Support Centralized Voice Mail Via Mode Code Example Configuration Setting Up Centralized Voice Mail Via Mode Code ~ Group Type field is Isdn ~ Service Type field is TIE~ Uniform Dialing Plan field is 4 for each node ~ Uniform Dialing Plan field is 4 or ~ Type field is vmi ~ Set Network Level field is~ Call Type field is lev0 End Japan TTC Q931-a Private Networking Protocols Japan TTC Q931-a Private Networking ProtocolsOverview TTC Q931-a Protocols ~ Numbering format public, private, unknown, unk-pvt Setting Up TTC Q931-a~ Interface peer-master or peer-slave Security concerns Network Security IssuesSecurity solutions Network Security Issues Access control network topologyPrivate network Private segment Damage control application restrictions Summary 406 CID 508 Capacities and Resource RequirementsFor Definity Capacity Limits Capacities and Performance For C-LAN Number of Sockets Required Definitions PerformanceOverview 57% 65% 52% 60% G3r G3siPOE = Number CL m MedPro For GOS = P001 Boards =31Number of MedPros needed For Full Availability ExampleInternet Call Center ProblemSolution LAN Installation Install the C-LAN Circuit Pack LAN InstallationEnter change system-parameters maintenance Insert C-LAN Circuit Packs Install C-LAN Cables Hub connection Required. See the figure below Other Hardware Upgrades Wall field connection IP Trunk Installation Title Document Issue Number IP Trunk Administration Administration overviewIP Trunk Administration IP Trunk Installation Prerequisites NT Tasks Plan call routingOff-Premise Dialing at Remote Site 420 CID Definity administration procedures DS1 Circuit Pack 544 048 Ami-zcs Ami-basic or hdb3Robbed-bit Cas Mulaw Trunk Group 424 CID Restoring IP trunk Backing up configuration managerDouble-click the IP Trunk Backup Restore icon NT administration procedures Confirming the number of available portsClick Show All Ports Click the Dial/Routing Plan tab None Routing based on Dialed String Routing based on Line Numbers Incoming calls Select Terminating Stopping IP Trunk Service Alaw Click on Control Panel ServicesStarting IP Trunk service Change companding to A-Law Procedures for Extension Dialing Between Sites Non-DCS Configuration Line Search Replace IP Address String Line Search String Replace String DCS over IP Trunk DCS over IP Trunk IP Trunk Installation AdministrationSignaling IP Trunk Network Configuration TCP/IP signaling On Switch C On Switch aOn Switch B Search LineLine Search Replace String Click Monitor and Pstn Fallback Rerouting calls when IP transmission quality is poorClick Properties More information Setting up alerts on IP trunksPlacing a test telephone call Administration, consider making this a joint activity Viewing error messages Click Start, Programs, Administrative ToolsTesting Alerts Alert types Check LAN functions Troubleshooting IP trunkCheck physical Maintaining the performance of the IP trunk server Use traceroute to Configuring Microsoft NetMeeting on a PC Configuration WizardProviding general Information for DCS over IP Trunk IP Trunk Installation AdministrationChanging Audio Settings Making Calls to the IP trunk application from NetMeeting Viewing error messages Troubleshooting IP Trunk IP Trunk Worksheets Field Field Name Field Value Code IP Trunk Worksheets Worksheet Worksheets Fill in with Same Create Different IP Trunk Worksheets 1A2BX 1CX Replace string 1F1A 2F2A 1AX 458 CID References Basic Definity ECS documents References Definity ECS Release 8.2 Reports, 555-233-505, IssueBCS Products Security Handbook, 555-025-600, Issue References Call center documents Definity ECS Application-specific documents CentreVu Call Management System CMS Console operations Definity ECS Release 7 Console Operations Quick Reference AAR ADUAnsi Aplt ATM Awoh B8ZS BB8ZSBCC BER BOS BRI Ccis CcittCcms CDR Cmdr CMS COR COSCSN CSU DCE DciuDCP DCS Did DNS DSU DtdmDTE EIA FAS HDB3 Iana Inads Interserver routing table Glossary Base addressIP Internet Protocol address IP user LAP-D MA-UUI MACMapd MDR MIBMmch MSA Nema NetconNfas NIC OSI Paccon PRI PDMPgate Psdn PstnPSN Qppcn RPN RTP Simple Network Management Protocol Snmp Glossary SmdrSnmp SPE TDM TCPTCP/IP VCI UDPUNP VPI WAN ZCS Zero Code Suppression ZCS Index 492 CID DS1 208, 228, 233 per system Index 314 299 383 369 498 CID Qsig NCA-TSC 149, 159, 175, 180, 182 326 502 CID We’d like your opinion