Uploaded March 2026 | Updated September 2026, 3 weeks ago

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This video provides an overview of how to use the voice over IP or “VoIP” features of the Rohde & Schwarz CMA180 radio test set.

Getting Started with the CMA180 – VoIP Audio Delay Testing: youtube.com/watch?v=iTPcdKnZ-7I

Getting Started with the CMA180 – POLQA Testing: youtube.com/watch?v=qoOH-mWHQcI

Getting Started with the CMA180 – Basic Transmitter Testing: youtube.com/watch?v=KmZicsNyg9w

The R&S CMA180 Radio Test Set: rohde-schwarz.com/us/products/test-and-measurement/wireless-tester-rf-analyzer-generator/rs-cma180-radio-test-set_63493-56068.html

Getting Started with the CMA180 Playlist: youtube.com/playlist?list=PLKxVoO5jUTltXP-GewIlLtPM1Sdhai_C6

Test and Measurement Fundamentals Playlist: youtube.com/playlist?list=PLKxVoO5jUTlvsVtDcqrVn0ybqBVlLj2z8

Timeline:
00:00 Introduction
00:15 Suggested viewing
00:51 About VoIP (voice over IP) in two-way radio testing
01:55 About VoIP testing on the CMA180
02:44 VoIP test scenarios / applications
03:53 Example TX test scenario
04:15 Selecting the TX measurement scenario
04:42 VoIP generator configuration
05:45 Enabling VoIP generator output
06:26 FID and URI information
07:13 VoIP generator configuration – addresses and codec
07:47 VoIP generator configuration – PTT and frequency
08:42 Analyzing the demodulated audio (from received RF signal)
09:33 Example RX test scenario
10:03 Selecting the RX measurement scenario
10:20 Configuring and enabling the analog RF generator
11:02 Configuring analyzer input for VoIP
11:32 Enabling analysis with VoIP input
12:07 Considerations in VoIP measurements
13:31 Summary