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Design Guide for Cisco Unity Release 5.x
OL-14619-01
Chapter 6 Integrating Cisco Unity with the Phone System
Integrating with Circuit-Switched Phone Systems by Using PIMG or TIMG Units
Figure 6-15 Connections for an Integration by Using TIMG Units
Setup and Configuration
For PIMG/TIMG setup and configuration, the installer does the following steps as documented in the
applicable integration guide:
1. Configure the phone system.
2. Configure the PIMG/TIMG units. PIMG/TIMG settings are somewhat phone system-specific, but
less so than phone system configuration.
3. Configure Cisco Unity for the integration.
For information on configuring the phone system, PIMG/TIMG units, and Cisco Unity, see the
applicable Cisco
Unity integration guide at
http://www.cisco.com/en/US/products/sw/voicesw/ps2237/products_installation_and_configuration_g
uides_list.html.
Firmware Updates
Note that when receiving shipment of PIMG or TIMG units, it may be necessary to update the firmware
on the units. The PIMG/TIMG Admin interface provides a simple method to update the firmware files.
Firmware updates are available on CCO (Cisco Connection Online). See the applicable integration guide
or check for the latest firmware updates on the Cisco
Unity PIMG page at
http://www.cisco.com/cgi-bin/tablebuild.pl/unity-PIMG.
Serial Integrations
Cisco Unity supports the following serial protocols:
• SMDI
• MCI
• MD-110
T1 digital lines (one or more)
RS-232 serial cable
Network connections
Cisco Unity
server
190676
LAN/WAN
Master TIMG unit
(SMDI data and calls)
Additional
slave
TIMG units
as needed
Slave TIMG unit
(calls only)
Phone
system