
Notes
Network Modules for Cisco 2600, 3600, and 3700 Series
Series Features Overview
Cisco Voice Network Modules
Analog and ISDN Basic Rate Voice Network Modules
| 
 | 
 | Supported Platforms | 
 | 
| 
 | 
 | and Minimum Cisco | Comments | 
| Product | Description | IOS Versions | |
| 
 | Provides a  | 3800  | Requires voice interface | 
| voice/fax network module | 2811, 2821, and 2851– | card and voice feature set.. | |
| with an integrated digital | 12..3(8)T4 | 
 | |
| Voice/Fax Network Module | 
 | ||
| signal processor (DSP), | 
 | 
 | |
| 
 | 
 | 
 | |
| 
 | enabling voice and fax | 
 | 
 | 
| 
 | traffic to be routed over | 
 | 
 | 
| 
 | data networks.. The user- | 
 | 
 | 
| 
 | configurable expansion slot | 
 | 
 | 
| 
 | accommodates a Cisco | 
 | 
 | 
| 
 | voice interface card, which | 
 | 
 | 
| 
 | allows four analog ports or | 
 | 
 | 
| 
 | two BRI ports to standard | 
 | 
 | 
| 
 | telephony equipment such | 
 | 
 | 
| 
 | as PBXs, key systems, | 
 | 
 | 
| 
 | phones, and fax machines.. | 
 | 
 | 
Modular Router Solutions
Voice and Fax Integration
NM-HD-2V 
Provides a 
Modular Router Solutions
Voice and Fax Integration
| 3800  | Requires voice interface | 
| 2811, 2821, and 2851– | card and voice feature set.. | 
| 12..3(8)T4 | 
 | 
| 140 | 141 |