Installation guide
2
Release Notes for Cisco Voice Interworking Service Module Release 3.0(0)
Part Number OL-2523-01 Rev. B0, January 9, 2004
VISM Features
VISM Features
This section describes the new hardware and the new software features introduced in software Release
3.0(0) for VISM/VISM-PR.
Hardware Introduced in Software Release 3.0(0) for VISM/VISM-PR
Software Release 3.0(0) for VISM/VISM-PR introduces a new card—VISM-PR. You can use the
VISM-PR card in combination with any of the following MGX 8000 Series switch Processor Module
cards:
• PXM1
• PXM1E
• PXM45
Table 1 describes the configuration requirements for VISM/VISM-PR in combination with the MGX
8000 Series switches and supported processor modules.
Refer to the Cisco MGX 8850 Hardware Installation Guide, Release 3 for information on installing and
maintaining the PXM1, PXM1E, and PXM45 cards.
Note You cannot use the VISM card in combination with either the PXM1E or PXM45 card.
The VISM-PR card supports 144 channels when used with the G.723.1 codec. The VISM card does not
support the G.723.1 codec.
The following software Release 3.0(0) for VISM/VISM-PR features require either the PXM1E or
PXM45 card and are not supported if you are using PXM1 cards in your MGX 8000 Series switch
chassis:
• Call Agent-Controlled VoATM AAL1 and AAL2 SVC
• AAL1 SVC-Based TDM Hairpinning
• Expanded Clock Source Selection
Note Clock source configuration support and procedures are not changed from previous
releases of software if you are using a PXM1 card in your MGX 8000 Series switch
chassis.
Table 1 VISM/VISM-PR and MGX 8000 Series Switch Support
VISM Module
MGX 8230
with PXM1
MGX 8250
with PXM1
MGX 8850
with PXM1
MGX 8850
with PXM1E
MGX 8850
with PXM45
MGX-VISM-8T1 Yes Yes Yes No No
MGX-VISM-8E1 Yes Yes Yes No No
MGX-VISM-PR-8T1 Yes Yes Yes Yes Yes
MGX-VISM-PR-8E1 Yes Yes Yes Yes Yes