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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

IP Communications Services Trialby Teresa Hastings

Objectives and StrategiesSeptember 29, 1999

evolution overview
Evolution Overview

Voice over

Data Networks







  • 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
strategies customers
  • 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
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
Trial Network








IPOP Sites

Enterprise Sites




MWCOM Switch


IP Phones




Location and

Network Servers



Enterprise Gateway





Data Collection Servers

trial core telephony services
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
Desktop Service Features
  • Priority I Features

Local DOD /DID Off-Premise DOD / DID On-Net DOD / DID

Single Line Extension Class-of-Service Profile Management (Web interface)

Find Me Call Routing Call Forwarding Caller ID

Call Screening Dynamic Registration 2nd Directory Number

Call Data Records Destination Route Selection Do-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


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


  • IPSEC is relatively new and does not address mobility
  • No public key infrastructure in place today
performance aspects
Network Quality

Validate Media Path Performance



Packet Loss

% Utilization(Bandwidth)

Voice Band Data


Echo Cancellation

Media Negotiation

Effects on Performance

Feature Quality

Validate Signaling Performance

Post Dial Delay, Disconnects, Hangings


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
trial oss features
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


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


Simple web server based user_id, password based authentication and authorization

Application-application security among NGOSS applications

Trial OSS Features
  • 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