Cisco MC3810-APM-FXO= Datasheet download pdf (Page 21)

Configuring Voice Ports

Configuring Digital Voice Ports

VC-55

Cisco IOS Voice, Video, and Fax Configuration Guide

Prerequisites for Configuring Digital Voice Ports

Digital T1 or E1 packet voice capability requires specific service, software, and hardware:

• Obtain T1 or E1 service from the service provider or from your PBX.

• Create your company’s dial plan.

• Establish a working telephony network based on your company’s dial plan.

• Establish a connection to the network LAN or WAN.

• Set up a working IP and Frame Relay or ATM network. For more information about configuring IP,

refer to the Cisco IOS IP Configuration Guide, Release 12.2.

• Install appropriate voice processing and voice interface hardware on the router. See the

“Platform-Specific Digital Voice Hardware” section on page 58.

• (Cisco 2600 and 3600 series routers) For digital T1 packet voice trunk network modules, install

Cisco IOS Release 12.0(5)XK, 12.0(7)T, 12.2(1), or a later release. The minimum DRAM memory

requirements are as follows:

–

32 MB, with one or two T1 lines

–

48 MB, with three or four T1 lines

–

64 MB, with five to ten T1 lines

–

128 MB, with more than ten T1 lines

The memory required for high-volume applications may be greater than that listed. Support for

digital T1 packet voice trunk network modules is included in Plus feature sets. The IP Plus feature

set requires 8 MB of Flash memory; other Plus feature sets require 16 MB.

• (Cisco 2600 and 3600 series routers) For digital E1 packet voice trunk network modules, install

Cisco IOS Release 12.1(2)T, 12.2(1), or a later release. The minimum DRAM memory requirements

are:

–

48 MB, with one or two E1s

–

64 MB, with three to eight E1s

–

128 MB, with 9 to 12 E1s

For high-volume applications, the memory required may be greater than these minimum values.

Support for digital E1 packet voice trunk network modules is included in Plus feature sets. The IP

Plus feature set requires 16 MB of Flash memory.

• (Cisco MC3810 concentrators) HCMs require Cisco IOS Release 12.0(7)XK or 12.1(2)T, 12.2(1),

or a later release.

• (Cisco 7200 and 7500 series routers) For digital T1/E1 voice port adapters, install Cisco IOS

Release 12.0(5)XE, 12.0(7)T, 12.2(1), or a later release. The minimum DRAM memory requirement

to support T1/E1 high-capacity digital voice port adapters is 64 MB.

The memory required for high-volume applications may be greater than that listed. Support for T1/E1

high-capacity digital voice port adapters is included in Plus feature sets. The IP Plus feature set requires

16 MB of Flash memory.

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