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IP Communications Services Trial by Teresa Hastings. Objectives and Strategies September 29, 1999. Evolution Overview. Voice over Data Networks. IP Desktop Services. Integrated Communications Services. Purpose. Determine customer acceptability of IP-based communications services

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IP Communications Services Trial by Teresa Hastings

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IP Communications Services Trialby Teresa Hastings

Objectives and StrategiesSeptember 29, 1999


Evolution Overview

Voice over

Data Networks

IP

Desktop

Services

Integrated

Communications

Services


Purpose

  • Determine customer acceptability of IP-based communications services

    • Paradigms, features, functionality of Network (IP network), Services and OSS

    • Targeted at small-to-large businesses

    • Services included:

      • IP Telephony: BI-direction dialing (on/off net) with public/private dialing

      • Desktop Services features, including IP Phones

      • Voice messaging

  • Technology learning

    • Implement solutions directionally consistent with NGN goals

    • Not intended to be long-term service platform

    • Ask questions, try technology and apply learning to long term architecture for network, services and OSS


StrategiesCustomers

  • Customer Selection

    • 10 to 15 locations, 30% to 40% of customer site traffic on the trial

    • Will allow some reduction of features

    • Willing to turn off the service at end of trial

  • Internal users first, then external customer(s)

  • Focus on learning about customer experience and acceptability


Lab Trial High Level Objectives

  • Testing of customer acceptability of IP Communications Services for business customers

  • Handle customer communications services on a common IP infrastructure

    • Core telephony, Desktop services, voice messaging (MWCOM trial)

    • Intranet services, internet connections (company)

  • Demonstrate connectivity with customer ATM, FR, PL or IP/VPN

  • Validate OSS concepts and initial implementations

  • Measure performance characteristics

  • Demonstrate initial security solution

  • Reduce infrastructure, development and operations costs

  • Demonstrate Operations

  • Create small number of ‘new’ communications services for inclusion


Trial Network

Firewall

Firewall

IP

Network

Router

Router

Firewall

IPOP Sites

Enterprise Sites

OSS

Systems

INCP

MWCOM Switch

Firewall

IP Phones

Router

Network

Gateways

Location and

Network Servers

Announcement

Servers

Enterprise Gateway

AAA

Servers

PBX

ApplicationServers

Data Collection Servers


Trial Core Telephony Services

  • Enable basic routing services

    • Basic capability to process DDD/IDDD calls

      • Connect existing PBXs to IP network with enterprise gateways

      • Allow existing end stations to be used

    • Access to private dialing plans

      • Support for VNET based dialing plans

  • Operator service support via tandem through PSTN network.

    • No support for 411/911 for Trial

    • Directory assistance passed to PSTN

  • Support for basic announcements

    • Number change, congestion,…

  • Internet and Intranet services continue with current product offerings


Desktop Service Features

  • Priority I Features

    Local DOD /DIDOff-Premise DOD / DIDOn-Net DOD / DID

    Single Line ExtensionClass-of-ServiceProfile Management (Web interface)

    Find Me Call RoutingCall ForwardingCaller ID

    Call ScreeningDynamic Registration2nd Directory Number

    Call Data Records Destination Route SelectionDo-Not-Disturb

    Call Hold Consultation Hold Conference Services

    Hunt Groups (Circular) Call Transfer End-to-End signaling from Keypad

    QoS and SLA Monitoring and Reporting

  • Priority II Features

    Caller Name Call Pickup 911

    Hunt Groups (Busy Order List, Distribution by Usage)Uniform Call Distribution

    Call Parking CTI (TAPI) Auto-attendant Voice Mail Interface

    Voice / Unified Messaging Speech Recognition Text-To-Speech

    Speed Calling Call Queuing Bridging


Security

Current Strategy:

  • Use IPSEC AH (authentication header) with IKE (Internet Key Exchange) between our “known” systems, including SIP servers and gateways

  • Use SIP sender authentication and message integrity for mobile clients

    Long Term Strategy:

  • The long-term model will require development of an effective public key infrastructure and the use of X.509v3 (or newer) certificates

    Issues:

  • IPSEC is relatively new and does not address mobility

  • No public key infrastructure in place today


Network Quality

Validate Media Path Performance

Latency

Jitter

Packet Loss

% Utilization(Bandwidth)

Voice Band Data

Fax

Echo Cancellation

Media Negotiation

Effects on Performance

Feature Quality

Validate Signaling Performance

Post Dial Delay, Disconnects, Hangings

OSS

Customer Portal Response Times

On-Time Billing/Invoicing

Real-Time Billing

Billing Accuracy (part of the auditing process)

Network Data Collection

Product/Rating Definition Timelines

Performance Aspects


Web Portal

Simple web portal for all user interaction with NGOSS for IPTel trial

IPTel product and pricing plan creation via Portal Infranet GUI

Account Management

IPTel customer account management

Product Management

IPTel product definition, pricing plan management

Order Entry

Web OE for ordering IPTel services

Orderable products and features in Portal Infranet

Billing

Cycle based billing for flat rate billing

Session, feature based rating and billing

Bill presentation via web server, printed invoice

Generation of flat files for feeding into legacy systems

Process Mgmt/Middleware

Vitria Businessware based process management for IPTel processes and application middleware.

Order Management

Support of IPTel order management processes using process management and simple web based workflow capabilities

Workflow Management

Simple web and e-mail based workflow capability using web server and process management

Network Data Collection

Vendor (TBD) based support for data collection of billable sessions and events information from IPTel equipment and servers to support IPTel billing.

Directory Services

Use simple web based repository as directory of users, their profiles, and other user level information

Security

Simple web server based user_id, password based authentication and authorization

Application-application security among NGOSS applications

Trial OSS Features


Initial Vendor Selection Matrix

Selected Vendors


Initial Vendor Selection Matrix

Selected Vendors


Summary

  • It’s not about recreating the switched network

  • Build communications services on the “disruptive technologies” of the Internet

  • Test alternative service paradigms

    • Mixed services

    • Billing and self-service

    • Personal policies

    • E-commerce

  • Trial the open and interoperable service architecture

  • Gain invaluable customer insights


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