Cisco 8831NR Administration Manual page 113

Cisco Unified IP Conference Phone Customization
</Ring>
<Ring>
<DisplayName>Analog Synth 2</DisplayName>
<FileName>Analog2.rwb</FileName>
</Ring>
</CiscoIPconference stationRingList>
PCM File Requirements for Custom Ring Types
The PCM files for the ring types must meet the following requirements for proper playback on conference
phones:
• Raw PCM (no header)
• 16000 samples per second
• 16 bits per sample
• Least Significant Bit
• Minimum ring size is 240 samples
• Number of samples in the ring is evenly divisible by 240
• Maximum ring duration is 10 seconds
• Ring starts and ends at the zero crossing
• To create PCM files for custom conference phone rings, you can use any standard audio editing packages
Set Up Custom Ringtone
To create custom conference phone rings for the conference phone, follow these steps:
Procedure
Step 1 Create a PCM file for each custom ring (one ring per file). Ensure the PCM files comply with the format
guidelines that are listed in the
Step 2 Upload the new PCM files that you created to the Cisco TFTP server for each Cisco Unified Communications
Manager in your cluster. For more information, see the Cisco Unified Communications Operating System
Administration Guide, "Software Upgrades" chapter.
Step 3
Use a text editor to edit the Ringlist-wb.xml file. See the
on page 102
Step 4 Save your modifications and close the Ringlist-wb.xml file.
Step 5 Cache the new Ringlist-wb.xml file:
a) Log on to Cisco Unified Communications Manager Administration.
b) From the Navigation drop-down list at the top right of the window, select Cisco Unified Serviceability,
and then press Go.
c) Choose Tools > Control Center - Feature Services.
that support these file format requirements
PCM File Requirements for Custom Ring Types, on page 103
section for information about how to format this file and for a sample Ringlist-wb.xml file.
Cisco Unified IP Conference Phone 8831 and 8831NR Administration Guide
PCM File Requirements for Custom Ring Types
Ringlist-wb.xml File Format Requirements,
section.
103