The Viking IP products use the following ports:
UDP: 5060, 8000
UDP: 123 (time sync - if used)
UDP: 514 (syslog - if used )
TCP: 107 for programming software
RTP ports used for audio: some random port between 20,000 and 40,000 (will be an even number)
ICMP (aka "Ping")
UDP: 5353 for mDNS/Bonjour - a broadcast discovery tool