ZyXEL Communications P-2302R Series 13

		P-2302R Series User’s Guide
Chapter 6
WAN Screens..........................................................................................................		82
6.1	WAN Overview ...................................................................................................	82
6.2	Configuring ISP ..................................................................................................	82
	6.2.1 Ethernet Encapsulation .............................................................................	82
	6.2.2 PPPoE Encapsulation ...............................................................................	83
6.3	WAN IP Address Assignment .............................................................................	85
6.4	Configuring WAN IP ...........................................................................................	85
6.5	Configuring WAN MAC .......................................................................................	88
Chapter 7
Introduction to VoIP ...............................................................................................		90
7.1	VoIP Introduction ................................................................................................	90
7.2	Introduction to SIP ..............................................................................................	90
	7.2.1 SIP Identities .............................................................................................	90
	7.2.1.1 SIP Number .....................................................................................	90
	7.2.1.2 SIP Service Domain ........................................................................	91
	7.2.2 SIP Call Progression .................................................................................	91
	7.2.3 SIP Client Server ......................................................................................	91
	7.2.3.1 SIP User Agent ...............................................................................	92
	7.2.3.2 SIP Proxy Server .............................................................................	92
	7.2.3.3 SIP Redirect Server ........................................................................	93
	7.2.3.4 SIP Register Server ........................................................................	93
	7.2.4 RTP ...........................................................................................................	93
7.3	NAT ....................................................................................................................	94
	7.3.1 NAT Example ............................................................................................	94
	7.3.2 NAT Types ................................................................................................	95
	7.3.2.1 Full Cone NAT .................................................................................	96
	7.3.2.2 Restricted Cone NAT .......................................................................	96
	7.3.2.3 Port Restricted Cone NAT ...............................................................	97
	7.3.2.4 Symmetric NAT ...............................................................................	98
7.4	NAT and SIP ......................................................................................................	99
7.5	SIP ALG .............................................................................................................	99
7.6 Use NAT .............................................................................................................		99
7.7 STUN ...............................................................................................................		100
7.8	Outbound Proxy ...............................................................................................	100
7.9	Voice Coding ....................................................................................................	100
	7.9.1 Pulse Code Modulation ...........................................................................	101
	7.9.2 G.711 .......................................................................................................	101
	7.9.3 G.729 ......................................................................................................	101
7.10 PSTN Call Setup Signaling ............................................................................		101
7.11 MWI (Message Waiting Indication) .................................................................		101

Table of Contents