C HAP T ER 2 1 VoIP 21.1 Overview 21.1.
1.1.2 What You Need to Know About VoIP VoIP SIP SIP Accounts SIP Address How to Find Out More 21.
21.3 The SIP Account Screen VoIP > SIP > SIP Account Figure 140 LABEL DESCRIPTION Edit Delete 21.3.
Figure 141 230
LABEL DESCRIPTION ADD_NEWChangeMe SIP Service Provider SIP TEL G.711a G.711u G.726-24 24 G.726-32 32 G.729 G.
LABEL DESCRIPTION To Number To Number No Answer Time To Number Active No Answer Forward 232
LABEL DESCRIPTION None Email Notification Early Media Music on Hold Cancel OK 21.
LABEL DESCRIPTION Edit Delete 21.4.
Figure 143 235
LABEL DESCRIPTION ADD_NEW Enable SIP Service Provider SIP Server Address SIP Server Port Any_WAN Multi_WAN 236
LABEL DESCRIPTION Start Port End Port Start Port End Port AES_CM_128_HMAC_SHA1_80 AES_CM_128_HMAC_SHA1_32 AES_CM_128_NULL NULL_CIPHER_HMAC_SHA1_80 RFC2833 PCM SIP INFO UDP TCP Enable G.711Mulaw 237 G.
LABEL DESCRIPTION SIP Server Port REGISTER Server Port Transport Type Cancel OK 21.
Figure 144 LABEL DESCRIPTION Edit 21.5.
Figure 145 LABEL DESCRIPTION Dialing Interval Selection VoIP > SIP > SIP Service Provider > Add New Provider/Edit Cancel OK 240
21.6 The Phone Region Screen VoIP > Phone > Region Figure 146 LABEL DESCRIPTION Europe Type USA Type 21.
Figure 147 LABEL DESCRIPTION 21.
Figure 148 LABEL DESCRIPTION Export All Incoming Outgoing Delete 243 Missed
21.9 The Call Summary Screen VoIP > Call History > Call Summary Figure 149 LABEL DESCRIPTION 21.
SIP Identities SIP Number SIP Service Domain SIP Registration Authorization Requirements 245
SIP Servers SIP User Agent A A B Figure 150 SIP Proxy Server A 1 A B C 2 246 B
Figure 151 SIP Redirect Server A 1 A C B A 2 3 C A C C 247
Figure 152 SIP Register Server RTP Pulse Code Modulation SIP Call Progression A B 248
1 A 2 B 3 B 4 A B B A 5 B A 6 7 B B SIP Call Progression Through Proxy Servers UA 1 PROXY 1 Figure 153 DSL DSL 249 PROXY 2 UA 2
UA 1 PROXY 1 PROXY 2 1 User Agent 1 Proxy 1 Proxy 1 2 Proxy 1 Proxy 2 Proxy 2 3 Proxy 2 User Agent 2 4 User Agent 2 User Agent 1 5 User Agent 2 Agent 1 Proxy 1 6 User Agent 1 7 8 UA 2 User Agent 2 Proxy 2 Proxy 1 Proxy 2 User Agent 2 User Agent 2 User Agent 1 Voice Coding 250 User
Voice Activity Detection/Silence Suppression Comfort Noise Generation Echo Cancellation MWI (Message Waiting Indication) Custom Tones (IVR) Early Media LABEL DESCRIPTION Recording Custom Tones 251 Music On Hold
1 2 3 4 Listening to Custom Tones 1 2 3 Deleting Custom Tones 1 2 21.10.
DSCP and Per-Hop Behavior Figure 154 21.10.
21.10.2.1 The Flash Key 21.10.2.
European Call Waiting European Call Transfer 1 2 3 European Three-Way Conference 1 2 3 4 5 21.10.2.
COMMAND SUB-COMMAND DESCRIPTION USA Call Hold A A USA Call Waiting USA Call Transfer 1 2 3 USA Three-Way Conference 1 2 3 4 256 B
5 6 7 21.10.2.
C HAP T ER 2 2 Log 22.1 Log Overview 22.1.1 What You Can Do in this Chapter System Log Security Log 22.1.
CODE SEVERITY 22.
22.
C HAP T ER 2 3 Traffic Status 23.1 Traffic Status Overview Traffic Status 23.1.1 What You Can Do in this Chapter WAN LAN NAT 23.
LABEL DESCRIPTION 23.
Figure 158 LABEL DESCRIPTION 23.
Figure 159 LABEL DESCRIPTION 264
