Nortel Web Center Portal Installation And Administration Manual page 208

Configuring Symposium Web Center Portal for e-mail and telephony integration
5 Click the Call-back Settings tab.
Result: The following window appears:
6 In the Call-back Window box, enter the maximum time (in minutes) that
contacts are acquired and queued before their call-back time to ensure that
the contact makes its way through the Symposium Call Center Server
queuing to an agent in time for the call back. If you have a busy call center
with voice contacts prioritized above multimedia contacts, you may need to
increase this value.
208 Nortel Networks Symposium Web Center Portal
Standard 2.0