Skill

Session Description Protocol and DTMF

March 2024 with Lalo Nunez

Join Lalo Nunez as we learn to set up, maintain and tear down multimedia communication sessions. Doing so takes understanding Session Description Protocol (SDP) and Dual-tone Multi-frequency (DTMF) signaling, and how they relate to Session Initiation Protocol (SIP).

Recommended Experience

Basic understanding of SIP
Proficiency with networking concepts and protocols
Familiarity with VoIP

Related certifications

CCNP Collaboration

Related Job Functions

Collaboration engineer (Cisco)
Network engineer
Unified communications specialist

All it took was the command prompt in Windows 95 to get Lalo hooked on technology. Nowadays, his passion is Cisco collaboration technology.

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Skill Outline

1. Introduction (2:37)
2. Another SDP Example (14:06)
3. Call Setup and Teardown Review (3:39)
4. DTMF Review (5:02)

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