Database of samples of VoIP communication with different codecs

Authors:Kmeť Martin, Matoušek Petr
Licence:required - no fee
Keywords:VoIP, RTP detection, voice codec detection, sample database
Database of samples of VoIP communication with SIP signalization and RTP traffic. It includes calls encoded using different codecs. Samples were generated using network tester IXIA, Cisco Call Manager Express running on Cisco ISR G2 router, and softphone Ekiga. Database contains 20 different codecs and their variants. Samples are generated in PCAP format with SIP signalization and without SIP signalization. Database can be used as a reference database for testing software for codec detection.
Software is available at
Research groups:
Licence terms:
This database is distributed openly under Open Source Licence VUT v Brně.

Your IPv4 address:
Switch to IPv6 connection

DNSSEC [dnssec]