Cisco DPA Integration

Cisco DPA Integration
Cisco DPA Integration
This chapter provides information about the Cisco DPA 7630 and 7610 Voice Mail Gateways (DPA
7630/7610) which enable you to integrate Cisco Unified Communications Manager systems with Octel
voice-messaging systems, which might also connect to either Definity or Meridian 1 PBX systems. This
integration enables you to use your existing third-party telephony systems along with your Cisco IP telephony
system.
For example, you can ensure that features such as message-waiting indicators (MWI) for Octel voice messages
are properly set on Cisco Unified IP Phones (connected to Cisco Unified Communications Manager) and
traditional telephony phones (connected to Definity or Meridian 1 PBX systems).
Using the DPA 7630/7610, you can integrate the following systems:
• Cisco Communications Manager 3.1(1) or higher
• Octel 200 and 300 voice-messaging systems (using APIC/NPIC integration)
• Octel 250 and 350 voice-messaging systems (using FLT-A/FLT-N integration)
• Definity G3 PBX systems (DPA 7630 only)
• Meridian 1 PBX systems (DPA 7610 only)
This section provides an overview of the DPA 7630/7610 and its interactions with the other components in
traditional and IP telephony networks.
• DPA 7630/7610, page 1
• DPA 7630/7610 Overview, page 2
DPA 7630/7610
The DPA 7630/7610 functions as a gateway between Cisco Unified Communications Manager and an Octel
system (which may connect to a PBX system) and performs these tasks:
• Determines the call type from Cisco Unified Communications Manager and sends display, light, and
ring messages to the Octel system.
• Determines when the Octel system is attempting to transfer, set message waiting indicators (MWI) and
so on, and sends the appropriate messages to Cisco Unified Communications Manager.
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Cisco DPA Integration
DPA 7630/7610 Overview
• Converts dual-tone multi frequency (DTMF) tones to Skinny Client Control Protocol messages.
• Provides companding-law transcoding and voice compression.
• Performs Real-Time Transport Protocol (RTP) encapsulation of the voice message.
DPA 7630/7610 Overview
With the Cisco DPA 7630/7610, you can integrate your existing Octel voice-messaging system with Cisco
Unified Communications Manager and either a Definity PBX system or a Meridian 1 PBX system. If you
have a Definity PBX, use the DPA 7630; if you have a Meridian 1 system, use the DPA 7610.
The DPA 7630/7610 functions by emulating digital phone or PBX systems. This capability allows it to appear
like these devices to Cisco Unified Communications Manager, Octel, Definity, and Meridian 1 systems.
The following figure illustrates the Cisco DPA.
Figure 1: Cisco DPA
When to Use the DPA 7630/7610
If you want to migrate your telephony system from a Definity G3 PBX or a Meridian 1 PBX to Cisco Unified
Communications Manager, you must decide whether to do a complete cutover to Cisco Unified Communications
Manager or to migrate slowly. If you do a complete cutover to Cisco Unified Communications Manager and
Cisco voice-messaging solution, you do not need the DPA 7630/7610. However, if you are slowly migrating
your systems, you might want to maintain some phones on the Definity or Meridian 1 PBX while you are
installing new phones on the Cisco Unified Communications Manager system. You might want to use your
existing Octel voice-messaging system with your Cisco Unified Communications Manager system. In these
cases, the DPA 7630/7610 can assist your migration to Cisco Unified Communications Manager.
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