Manual
Cisco Systems, Inc. Page 65
65
CME Configuration for Mobility Services
Setup on Conferencing:
Prerequisites
• Cisco Unified CME 4.1 or a later version
• You must have a PVDM2-8, PVDM2-16, PVDM2-32, or PVDM2-64 high-density packet
voice digital signal processor module hosted on the motherboard or on a module such
as the NM-HDV2 or NM-HD-2VE.
• For Cisco Unified IP Phone 7985, firmware version 4-1-2-0 or a later version
Restrictions
• The maximum number of meet-me conference parties is 32 for one DSP using the
G.711 codec and 16 for the G.729 codec.
• A participant cannot join more than one conference at the same time.
• Ad hoc conferencing for more than three parties (hardware-based) is not supported on
the Cisco Unified IP Phone 7906 and 7910 and Cisco Unified IP Phone 7914 Expansion
Module.
• Ad hoc conferencing for more than three parties is not supported on Cisco Unified IP
phones running SIP.
• Hardware-based ad hoc conferencing does not support the local-consult transfer
method (transfer-system local-consult command).
Enabling DSP Farm Services for a Voice Card
To enable DSP farm services for a voice card to support multi-party ad hoc and meet-me
conferences, perform the following steps. For detailed steps for configuring CME conferencing, see
Appendix B.
Summary Steps
Step 1. enable
Step 2. configure terminal
Step 3. voice-card slot
Step 4. dsp services dspfarm
Step 5. exit
Configuring Join and Leave Tones
To configure tones to be played when parties join and leave ad hoc and meet-me conferences,
perform the following steps for each tone to be configured.
Summary Steps
Step 1. enable
Step 2. configure terminal
Step 3. voice class custom-cptone cptone-name
Step 4. dualtone conference