Cisco 8961 Administration Manual page 237
Unified communications manager 10.0 sip
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Cisco Unified IP Phone Customization
This example shows a Ringlist.xml file that defines two phone ring types:
<CiscoIPPhoneRingList>
</CiscoIPPhoneRingList>
PCM File Requirements for Custom Ring Types
The PCM files for the rings must meet the following requirements for proper playback on Cisco Unified IP
Phones:
• Raw PCM (no header)
• 8000 samples per second
• 8 bits per sample
• Mu-law compression
• Maximum ring size = 16080 samples
• Minimum ring size = 240 samples
• Number of samples in the ring = multiple of 240.
• Ring start and end at zero crossing.
To create PCM files for custom phone rings, use any standard audio editing package that supports these file
format requirements.
Set Up Custom Phone Ring
To create custom phone rings for the Cisco Unified IP Phone, perform these steps:
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<Ring>
<DisplayName>Analog Synth 1</DisplayName>
<FileName>Analog1.raw</FileName>
</Ring>
<Ring>
<DisplayName>Analog Synth 2</DisplayName>
<FileName>Analog2.raw</FileName>
</Ring>
Cisco Unified IP Phone 8961, 9951, and 9971 Administration Guide for Cisco Unified Communications Manager 10.0
PCM File Requirements for Custom Ring Types
(SIP)
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