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Design Recommendations for Deploying IP Trunks

Posted by Andy on April 16, 2009

Voice clipping, if observed, can be minimized or eliminated by enabling PRACK on the trunk. This parameter can be enabled in the Service Parameters for the Cisco CallManager service (SIP Rel1XX Enabled).

via Cisco Unified Communications SRND Based on Cisco Unified Communications Manager 7.x – Cisco Unified CM Trunks  [Cisco Unified Communications Manager (CallManager)] – Cisco Systems.

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