Pcm File Requirements For Custom Ring Types; Configuring A Custom Phone Ring - Cisco 7906G Administration Manual

Chapter 6 Customizing the Cisco Unified IP Phone

PCM File Requirements for Custom Ring Types

Configuring a Custom Phone Ring

Step 1
Step 2
Step 3
Cisco Unified IP Phone 7906G and 7911G Administration Guide for Cisco Unified CallManager
OL-10008-01
The PCM files for the rings must meet these requirements for proper playback on
Cisco Unified IP Phones:
Raw PCM (no header)
•
• 8000 samples per second
8 bits per sample
•
µLaw compression
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Maximum ring size—16080 samples
•
Minimum ring size—240 samples
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Number of samples in the ring is evenly divisible by 240.
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Ring starts and ends at the zero crossing.
•
To create PCM files for custom phone rings, you can use any standard audio
•
editing packages that support these file format requirements.
To create custom phone rings for the Cisco Unified IP Phones 7906G and 7911G,
follow these steps:
Procedure
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
for Custom Ring Types" section on page
Place the new PCM files that you created in the C:\Program Files\Cisco\
TFTPPath directory on the Cisco TFTP server for each
Cisco Unified CallManager in your cluster.
Use an text editor to edit the RingList.xml file. See the
Requirements" section on page 6-2
and for a sample RingList.xml file.
Creating Custom Phone Rings
"PCM File Requirements
6-3.
"RingList.xml File Format
for information about how to format this file
6-3