ZyXEL Communications 2602HW Series manual 13

	Prestige 2602HW Series User’s Guide
9.3 SIP ALG ...........................................................................................................		135
9.4 Pulse Code Modulation ....................................................................................		135
9.5 Voice Coding ....................................................................................................		136
9.5.1 G.711 .......................................................................................................		136
9.5.2 G.729 ......................................................................................................		136
9.6 PSTN Call Setup Signaling ..............................................................................		136
Chapter 10
Voice Screens.......................................................................................................		137
10.1	Voice Screens Introduction ............................................................................	137
10.2	SIP Settings Configuration .............................................................................	137
10.3	Advanced Voice Settings Configuration .........................................................	138
10.4	Quality of Service (QoS) ................................................................................	140
10.4.1 Type Of Service (ToS) ...........................................................................		140
10.4.2 DiffServ .................................................................................................		141
	10.4.2.1 DSCP and Per-Hop Behavior ......................................................	141
10.4.3 VLAN ....................................................................................................		141
10.5	QoS Configuration ..........................................................................................	141
10.6	Phone .............................................................................................................	142
10.6.1 Voice Activity Detection/Silence Suppression .......................................		143
10.6.2 Comfort Noise Generation ....................................................................		143
10.6.3 Echo Cancellation .................................................................................		143
10.7	Phone Configuration ......................................................................................	143
10.8	Speed Dial ......................................................................................................	144
10.8.1 Peer-to-Peer Calls ................................................................................		144
10.9	Speed Dial Configuration ...............................................................................	145
10.10 Lifeline (Prestige 2602HW-L) .......................................................................		146
10.11 Lifeline Configuration (Prestige 2602HW-L) .................................................		146
10.12 Common Phone Port Configuration .............................................................		147
Chapter 11
Dynamic DNS Setup.............................................................................................		149
11.1 Dynamic DNS .................................................................................................		149
11.1.1 DYNDNS Wildcard ................................................................................		149
11.2 Configuring Dynamic DNS .............................................................................		149
Chapter 12
Time and Date.......................................................................................................		151
12.1	Pre-defined NTP Time Servers List ................................................................	151
12.2	Configuring Time and Date ............................................................................	151

Table of Contents 13