Avaya 9600 manual Udp/Tcp, Transmitted Packets Source = SIP IP Telephone

Network Requirements

Table 5: Received Packets (Destination = SIP IP Telephone) (continued)

Destination Port	Source Port	Use	UDP or TCP?
The number used in the	Any	Received CNA registration	TCP
Source Port field of		messages
registration messages sent by
the telephone’s CNA Agent
PORTAUD or the port number	Any	Received RTP and SRTP	UDP
reserved for CNA RTP tests		packets
PORTAUD + 1 (if PORTAUD	Any	Received RTCP and	UDP
is even) or PORTAUD – 1 (if		SRTCP packets
PORTAUD is odd) or the port
number reserved for CNA
RTP tests plus or minus one,
as for PORTAUD, above
If signaling is initiated by the	Any	Received signaling protocol	UDP/TCP
telephone = the number used		packets
in the Source Port field of the
signaling packets sent by the
telephone
If signaling is initiated by the
server = System-Specific
			2 of 2
Table 6: Transmitted Packets (Source = SIP IP Telephone)
Destination Port	Source Port	Use	UDP or TCP?
53	Any unused	Transmitted DNS messages	UDP
	port number
67	68	Transmitted DHCP	UDP
		messages
80 unless explicitly specified	Any unused	Packets transmitted by the	TCP
otherwise (i.e. in a URL)	port number	telephone’s HTTP client
123	Any unused	Transmitted SNTP	UDP
	port number	messages
The number used in the	161	Transmitted SNMP	UDP
Source Port field of the SNMP		messages
query packet received by the
telephone
443 unless explicitly specified	Any unused	TLS/SSL packets	TCP
otherwise (i.e. in a URL)	port number	transmitted by the
		telephone’s HTTP client
			1 of 3

32 9600 Series SIP IP Telephones Administrator Guide SIP Release 2.0