Patton electronic SmartNode 4110 Series manual Remote office in an Enterprise network

SmartWare Software Configuration Guide 31 • CS context overview

Figure 48 shows a typical application with a remote office in an enterprise network. The example focuses on the SmartNode in the remote office. There is an ISDN phone, a personal computer, a connection to the public ISDN network, and a connection to the IP backbone. The VoIP protocol used is H.323 with a codec G.711. A call can be routed to the IP backbone and the public ISDN network depending on its prefix and number length.

Remote Office

Main Office

PSTN

Call Routing		IP
Node
		Backbone
Node	193.192.37.12
172.16.101.1		193.192.37.8
		H.323, Codec G.711
PC	ISDN Phone
		H.323 GW	H.323 interface
Context IP			Context CS
router
			switch
			Session
			Router
			Call routing
	Ethernet interfaces
			ISDN interfaces
0/1	0/0	bri	bri
eth	eth

IP

Backbone

PC

PSTN

Figure 48. Remote office in an Enterprise network

An application like that shown in figure 48 would require the following CS configuration:

•Since the remote office is connected to the public switched telephone network, the clock-source comes from the corresponding ISDN port. (Described in section “Configuring general CS settings” on page 343).

Planning the CS configuration 342