Cisco Systems OL-14619-01 manual 6-25, DTMF Integration with Analog PIMG Units

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The phone system sends call information, MWI requests, and voice connections through the analog lines, which connect the phone system to the PIMG units. The PIMG units communicate with the Cisco Unity server through the LAN or WAN by using Session Initiation Protocol (SIP). Figure 6-13shows the connections for a DTMF integration by using analog PIMG units.

Chapter 6 Integrating Cisco Unity with the Phone System

Integrating with Circuit-Switched Phone Systems by Using PIMG or TIMG Units

DTMF Integration with Analog PIMG Units

The phone system sends call information, MWI requests, and voice connections through the analog lines, which connect the phone system to the PIMG units. The PIMG units communicate with the Cisco Unity server through the LAN or WAN by using Session Initiation Protocol (SIP). Figure 6-13shows the connections for a DTMF integration by using analog PIMG units.

Figure 6-13 Connections for a DTMF Integration by Using Analog PIMG Units

Phone system

Additional

PIMG units as needed

PIMG unit

6-25Manual backgroundManual backgroundLAN/WAN PIMG unit

Analog lines

Network connections

Cisco Unity server

119418

Serial (SMDI, MCI, or MD-110) Integration with Analog PIMG Units

The phone system sends call information and MWI requests through the data link, which is an RS-232 serial cable that connects the phone system and the master PIMG unit. Voice connections are sent through the analog lines between the phone system and the PIMG units. The PIMG units communicate with the Cisco Unity server through the LAN or WAN by using Session Initialization Protocol (SIP). Figure 6-14shows the connections for a serial integration by using analog PIMG units.

 

 

Design Guide for Cisco Unity Release 5.x

 

 

 

 

 

 

OL-14619-01

 

 

6-25

 

 

 

 

 

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Cisco Systems OL-14619-01 manual 6-25, DTMF Integration with Analog PIMG Units