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Dtmf rfc28336/1/2023 ![]() ![]() Refer to Cisco Technical Tips Conventions for information on document conventions. If your network is live, make sure that you understand the potential impact of any command. All of the devices used in this document started with a cleared (default) configuration. The information in this document was created from the devices in a specific lab environment. ![]() Cisco Unified Communications Manager 7.x or later.Cisco Unified Border Element that runs on IOS.The information in this document is based on these software and hardware versions Basic knowledge of how to debug VoIP protocols like H323 and SIP.Basic knowledge of the signaling used by the SIP and H323 protocols.Basic knowledge of how to configure and use CUBE.Basic knowledge of how to configure and use Cisco IOS voice (such as dial-peers).Prerequisites RequirementsĬisco recommends that you have knowledge of these topics Additionally, it also provides information and commands on how to configure, verify and troubleshoot DTMF relay for the different VoIP gateway protocols supported by CUBE.Ĭontributed by Michael Mendoza, Cisco TAC Engineer. This document describes the process to configure Dual-Tone Multi-Frequency (DTMF) relay for Cisco Unified Border Element (CUBE) Enterprise. ![]()
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