Cisco Systems ATA 186, ATA 188 manual rtpcatch Limitations, 6-20

Chapter 6 Configuring and Debugging Fax Services

Debugging the Cisco ATA 186/188 Fax Services

rtpcatch Limitations

•rtpcatch performs optimally when analyzing capture files containing only one VoIP session.

•rtpcatch detects only G.711A, G.711µ-law, G.723, G.729, T.38, Cisco fax relay, modem pass-through with or without redundancy packets, RTCP packets and NSE packets.

•rtpcatch can handle a maximum of 20 prserv ports using the -port option.

•rtpcatch may not detect T.38 packets correctly.

Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide for MGCP (version 3.0)

6-20 OL-4803-01