Cisco Systems IP phone 7960 manual Sntp response from Sntp data via Sntp data from Sntp server

Chapter 3 Managing Cisco SIP IP Phones

Setting the Date, Time, and Daylight Savings Time

Table 3-3 lists the actions that take place when a valid IP address is specified in the sntp_server parameter.

Table 3-3 Actions Based on sntp_mode When the sntp_server Parameter is Set to an IP Address

sntp_server	sntp_mode=	sntp_mode=	sntp_mode=	sntp_mode=
= 0.0.0.0	unicast	multicast	anycast	directedbroadcast
Sends	SNTP request to the	Nothing.	SNTP request to the	SNTP packet to the
	SNTP server.	When in multicast	SNTP server.	SNTP server.
		mode, SNTP		After the first SNTP
		requests are not sent.		response is received,
				the phone switches
				to multicast mode.
Receives	SNTP response from	SNTP data via the	SNTP response from	SNTP data from the
	the SNTP server and	SNTP/NTP	the SNTP server and	SNTP/NTP
	ignores responses	multicast address	ignores responses	multicast address
	from other SNTP	from the local	from other SNTP	and the local
	servers.	network broadcast	servers.	network broadcast
		address.		address and ignores
				responses from other
				SNTP servers.

	Cisco SIP IP Phone 7960 Administrator Guide
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