Discussion on Integrating siebel with other application has attracted experts from industries. Below published articles has been shared by siebel EAI champions in our website and linkedin group. Hope this will help you.

I have seen developers discussing different ways to integrate third party applications with Siebel. Hope this nicely elaborated article will help you understanding this better.
I have asked industry experts to share their ideas on to this and now publishing responses with you. More ideas are open. Lets discuss this and provide your expert suggestion in comment section.
Responses of industry expert:
Read what Joan Martí Peraire says about intgrating siebel with third party appication.
In order to integrate Siebel with external application, what I can share, from my own experience, is that there are two options that …

Daniel Jordan has shared about offline client for Oracle CRM on Demand. Let’s go through it with the help of slides below.

Purpose of Constraint Picklists is to restrict or constraint the values of child Picklist based on the value of parent.

Siebel CTI (Computer Telephony Integration) provides voice-channel support for call center agents using Siebel Business Applications.

Every Button created have a specific functionality associated with it, a task that is performed just on a click. We can create and place a button either on the applet header or we can provide the same functionality option in Menu Items.