Skill

Cisco Collaboration: Troubleshoot DTMF

December 2021 with Lalo Nunez

Join Lalo Nunez as he reviews the different DTMF relay methods within Cisco Unified Border Element (CUBE).

Recommended Experience

An understanding of concepts taught in Cisco CCNP Collaboration Core (350-801 CLCOR) is recommended.

Recommended Equipment

Learn how to gain hands-on experience and build a home lab in our Cisco Collaboration: Install Cisco Unified Communications Manager skill.

Related Certifications

CCNP Collaboration

Related Job Functions

Network Voice Engineer
Network Video Engineer

Lalo Nunez has been a CBT Nuggets trainer since 2020 and holds a variety of CompTIA and Cisco certifications. His areas of expertise include Cisco collaboration and networking.

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Videos in this skill

1. Intro: Troubleshoot DTMF (0:55)
2. DTMF (5:46)
3. Named Telephony Events (NTE) (14:15)
4. DTMF SIP (8:34)
5. DTMF Named Telephone Events Demo (11:13)
6. DTMF SIP Methods Demo (10:56)
7. DTMF not working for outbound calls (9:22)

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