 complex portal functionality that extends beyond order entry, trouble ticketing, EBPP and status, some IICs have chosen to build their own Web portal solutions by leveraging Web development tools, such as ATG or Bowstreet. IMPLEMENTATION AND ARCHITECTURE CASE STUDIES Now that we have discussed some of the decisions IICs will face in selecting applications and constructing an OSS platform, we can take a closer look at some specific business models and sample architectures geared to their individual requirements. Though implementation strategies will vary, as we have discussed, these architectures provide solid roadmaps for the kinds of functions various business models will require from their OSS platforms. The Ultimate Guide to Building and Delivering OSS/BSS CSR Review Workforce Scheduling LSR Processing Management ILEC GUI ILEC GUI Service Availability Customer Usage Collection Formatting Order Service Rating Sales Order Management Provisioning Management Entry Invoice Sigma Calculation Formatting Customer Trouble Reporting Geneva Financials Siebel Service Network Network Provisioning Inventory Management Network Sigma Micromuse Engineering MicroStation Point to Point Manual Vitria Based Network Elements Figure 18. Case Study 1: Convergent Cable and Voice Services Company Business Definition In this example, the IIC is a cable provider offering a convergent package of cable, voice and data services primarily to residential customers. The cable provider's goal is to enable a direct sales force to take orders and customers to self-provision cable modems they buy from retail outlets. Sample Architecture The sample architecture includes the following core applications: - Siebel for sales force automation and customer care - Sigma for order management, service provisioning, activation and network inventory - Micromuse for network management - Microstation for network engineering - Geneva for billing - CGI for bill mediation - MDSI for field force management The architecture includes a mix of manual transactions, fi