Cisco Cisco Unified CallConnector for Microsoft Windows
Cisco Systems, Inc.
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Mobility Configuration Overview
Multiple Routers for UCC Server
A single UCC Server can be shared by users on multiple Cisco CME systems.
There are a number of configuration rules and network requirements for such multi-router systems.
Configuration
Description
Maximum Number of
Routers
Routers
It is recommended that no more than 5 ISR/UC500 routers be
connected to the UCC Server
connected to the UCC Server
Maximum number of
users per UCC Server
users per UCC Server
The maximum number of users per UCC Server is 250 users
TCP/UDP Control
Messages
Messages
Network must provide bandwidth and minimum latency for the control
messages. RADIUS messages are transmitted as UDP messages.
TCP sessions are used to transport the SCCP/Skinny messages
between the CME router and the UCC Server
messages. RADIUS messages are transmitted as UDP messages.
TCP sessions are used to transport the SCCP/Skinny messages
between the CME router and the UCC Server
UDP Media for RTP
messages
messages
Calls handled by UCC Mobility Service include the SNR and DISA
calls. The media for these calls flows from the CME router with the
PSTN Gateway to the UCC Server. The UCC Server only supports
G.711 codecs (64 KBPS for each voice direction)
calls. The media for these calls flows from the CME router with the
PSTN Gateway to the UCC Server. The UCC Server only supports
G.711 codecs (64 KBPS for each voice direction)
CME3
Intranet/WAN
CME1
UCC
Server
Server
CME2