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Troubleshooting Cisco IP Telephony and Video (CTCOLLAB) Foundation Learning Guide (CCNP Collaboration Exam 300-080 CTCOLLAB) by Justin Jordan, Brian Morgan

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Chapter 8. Troubleshooting Call Routing

Call routing is one of the most important features for any private branch exchange (PBX), whether it is traditional or IP-based. It is the call-routing functionality that enables the users of a communication system to place calls. The system can then route those calls to the appropriate destination-based available routing information. This gives rise to the possibility for a number of issues related to call routing. Those call-routing issues may stem from any of a number of potential causes. They can be associated with Cisco Unified Communications Manager (CUCM) call flow configuration, bandwidth, network infrastructure, quality of service (QoS) settings, and any number of potential variables. This chapter ...

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