P-2608HWL-Dx Series User’s Guide
Table of Contents 15
11.1.4 SIP Call Progression .............................................................................152
11.1.5 SIP Client Server ..................................................................................152
11.1.5.1 SIP User Agent ............................................................................153
11.1.5.2 SIP Proxy Server .........................................................................153
11.1.5.3 SIP Redirect Server .....................................................................154
11.1.5.4 SIP Register Server .....................................................................154
11.1.6 RTP .......................................................................................................154
11.1.7 NAT and SIP .........................................................................................155
11.1.7.1 SIP ALG .......................................................................................155
11.1.7.2 Use NAT ......................................................................................155
11.1.7.3 STUN ...........................................................................................155
11.1.7.4 Outbound Proxy ...........................................................................156
11.1.8 Voice Coding .........................................................................................156
11.1.9 PSTN Call Setup Signaling ...................................................................156
11.1.10 MWI (Message Waiting Indication) .....................................................157
11.1.11 Custom Tones (IVR) ............................................................................157
11.1.11.1 Recording Custom Tones ..........................................................157
11.1.11.2 Listening to Custom Tones ........................................................157
11.1.11.3 Deleting Custom Tones ..............................................................157
11.1.12 Quality of Service (QoS) .....................................................................158
11.1.12.1 Type Of Service (ToS) ...............................................................158
11.1.12.2 DiffServ ......................................................................................158
11.1.12.3 DSCP and Per-Hop Behavior ....................................................158
11.1.12.4 VLAN .........................................................................................159
11.2 SIP Screens ...................................................................................................159
11.2.1 SIP Settings Screen...............................................................................159
11.2.2 Advanced SIP Setup Screen .................................................................161
11.2.3 SIP QoS Screen ....................................................................................165
Chapter 12
Phone .................................................................................................................... 167
12.1 Phone Overview .............................................................................................167
12.1.1 Voice Activity Detection/Silence Suppression/Comfort Noise ...............167
12.1.2 Echo Cancellation .................................................................................167
12.1.3 Supplementary Phone Services Overview ...........................................167
12.1.3.1 The Flash Key .............................................................................168
12.1.3.2 Europe Type Supplementary Phone Services .............................168
12.1.3.3 USA Type Supplementary Services ............................................170
12.2 Phone Screens ...............................................................................................171
12.2.1 Analog Phone Screen............................................................................171
12.2.2 Advanced Analog Phone Setup Screen ................................................172
12.2.3 Common Phone Settings Screen ..........................................................174
12.2.4 Phone Region Screen............................................................................174