Vertical Applications are specifically made for one domain.
Examples: Siebel ePharma , Siebel eFinance
Horizontal Applications are Common which can be used for any domain.
Examples: Siebel Call Center, Siebel Sales
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Siebel Horizontal Competency Practices are Common which can be used for any domain. We can take example Siebel Systems’ Call Center Practice, which is prepared to help with the design, development, and deployment of a complete call center solution that includes business process design, infrastructure, and hardware and software customization.
Call Center and Service
Customer Telephony Integration (CTI)
Marketing and Analytics
Partner Relationship Management (PRM)
Employee Relationship Management (ERM)
eBusiness Application Integration (eAI)
Siebel Vertical Competency Practices are specifically made for one domain, They fulfill are desired requirement of specific industry.
Oil and Gas