Cisco Cisco Customer Voice Portal 8.0(1)

Figure 63: Run H323 Commands for LBCAC Configuration

The following MTU Size setting change is required to perform Requery for LBCAC when there
is a call rejection.

Make the following change to the CUP server:

1. Log into the Cisco Unified Presence Server Administration tool.

2. Select System >Service Parameters and select the service from the Server drop-down

box.

3. From the Service drop-down box, select Cisco UP SIP Proxy

4. Scroll to the bottom of the Sip Parameters list to find Maximum MTU Size - upconvert

(bytes).

5. Change the default 1300 value to 1800 and click Save.

Configuring Locations-Based Call Admission Control (LEGACY IMPLEMENTATION)

Locations-based call admission control (CAC) is used in the Cisco Unified Contact Center
Enterprise branch-office call flow model (also known as the Centralized Model). This means
that all severs (Unified CVP, Unified ICME, Unified CM, SIP Proxy server, gatekeepers, and
media servers) are centralized in one or two data centers and each branch office (of which there
can hundreds or thousands) contain only a gateway and IP phones.

This section provides an overview of how to configure Unified CVP to:

•

Accommodate Unified CM locations-based CAC

Configuration and Administration Guide for Cisco Unified Customer Voice Portal Release 8.0(1)