ITG Line 5105/udp Nortel UNIStim (Unified Networks IP Stimulus) FTP (UFTP) 6800/tcp Nortel Unified Manager 7000/rudp Nortel UNIStim (Unified Networks IP Stimulus), BCM FP1 VoIP to/from IP Phones See also H.323 MGCP SIP List of Nortel patents References Further reading Avaya Nortel Nortel protocols Telephony equipment VoIP protocols