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Outbound Proxy, LABEL, DESCRIPTION

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Chapter 6 SIP Table 22 VoIP > SIP > SIP Settings > Advanced LABEL DESCRIPTION STUN Active Select this if all of the following conditions are satisfied. • There is a NAT router between the P-2024 and the SIP server. • The NAT router is not a SIP ALG. • Your VoIP service provider gave you an IP address or domain name for a STUN server. Otherwise, clear this field. Server Address Enter the IP address or domain name of the STUN server provided by your VoIP service provider. Server Port Enter the STUN server's listening port, if your VoIP service provider gave you one. Otherwise, keep the default value. Use NAT Active Select this if you want the P-2024 to send SIP traffic to a specific NAT router. You must also configure the NAT router to forward traffic with the specified port to the P-2024. This eliminates the need for STUN or a SIP ALG. Server Address Enter the public IP address or domain name of the NAT router. Server Port Enter the port number that your SIP sessions use with the public IP address of the NAT router. Outbound Proxy Active Select this if your VoIP service provider has a SIP outbound server to handle voice calls. This allows the P-2024 to work with any type of NAT router and eliminates the need for STUN or a SIP ALG. Turn off any SIP ALG on a NAT router in front of the P-2024 to keep it from retranslating the IP address (since this is already handled by the outbound proxy server). Server Address Enter the IP address or domain name of the SIP outbound proxy server. Server Port Enter the SIP outbound proxy server's listening port, if your VoIP service provider gave you one. Otherwise, keep the default value. NAT Keep Alive Active Select this to stop NAT routers between the P-2024 and SIP server (a SIP proxy server or outbound proxy server) from dropping the SIP session. The P-2024 does this by sending SIP notify messages to the SIP server based on the specified interval. Keep Alive Select this if the SIP server is a SIP proxy server. with SIP Proxy Keep Alive Select this if the SIP server is an outbound proxy server. You must enable with Outbound Outbound Proxy to use this. Proxy Keep Alive Interval Enter how often (in seconds) the P-2024 should send SIP notify messages to the SIP server. MWI (Message Waiting Indication) Enable Select this if you want to hear a waiting (beeping) dial tone on your phone when you have at least one voice message. Your VoIP service provider must support this feature. 76 P-2024 User's Guide

Section	Page
User’s Guide	1
About This User's Guide	3
Document Conventions	4
Safety Warnings	6
Contents Overview	9
Table of Contents	11
List of Figures	17
List of Tables	21
Introduction and Wizard	25
Introducing the P-2024	27
1.1 Overview	27
1.2 Ways to Manage the P-2024	27
1.3 Good Habits for Managing the P-2024	28
1.4 Hardware	28
1.4.1 Ports	29
1.4.2 LEDs	29
1.4.3 Console Port	29
1.4.4 Digital Signal Processor Modules	30
1.5 Resetting the P-2024	31
Introducing the Web Configurator	33
2.1 Web Configurator Overview	33
2.2 Accessing the Web Configurator	33
2.3 Web Configurator Main Screen	35
2.3.1 Title Bar	35
2.3.2 Navigation Panel	36
2.3.3 Main Window	37
2.3.4 Status Bar	37
The Connection Wizard	39
3.1 Main Wizard Screen	39
3.1.1 Welcome	40
3.1.2 System Information	40
3.1.3 ISP Parameters	41
3.1.4 Your IP Address	43
3.1.5 WAN IP Address Assignment	43
3.1.6 Finish	46
Status Screens	47
4.1 Status Screen	47
4.2 Packet Statistics Window	50
4.3 VoIP Statistics Window	51
Network	55
WAN	57
5.1 WAN Overview	57
5.1.1 PPPoE Encapsulation	57
5.1.2 WAN IP Address Assignment	57
5.1.3 DNS Server Address Assignment	58
5.2 WAN Screens	58
5.2.1 WAN Internet Connection Screen (Ethernet)	58
5.2.2 WAN Internet Connection Screen (PPPoE)	59
5.2.3 WAN Advanced Screen	61
VoIP	63
SIP	65
6.1 SIP Overview	65
6.1.1 Introduction to VoIP	65
6.1.2 Introduction to SIP	65
6.1.3 SIP Identities	65
6.1.4 SIP Call Progression	66
6.1.5 SIP Client Server	66
6.1.6 RTP	68
6.1.7 NAT and SIP	68
6.1.8 Voice Coding	70
6.1.9 PSTN Call Setup Signaling	70
6.1.10 MWI (Message Waiting Indication)	71
6.1.11 Quality of Service (QoS)	71
6.2 SIP Screens	72
6.2.1 SIP Settings Screen	72
6.2.2 Advanced SIP Setup Screen	73
6.2.3 SIP QoS Screen	77
Phone	79
7.1 Analog Phone Overview	79
7.1.1 Voice Activity Detection/Silence Suppression/Comfort Noise	79
7.1.2 Echo Cancellation	79
7.1.3 Supplementary Phone Services Overview	79
7.2 Phone Screens	82
7.2.1 Analog Phone Screen	82
7.2.2 Advanced Analog Phone Setup Screen	83
7.2.3 Common Phone Settings Screen	84
7.2.4 Phone Region Screen	85
Phone Book	87
8.1 Incoming Call Policy Screen	87
Management	91
Remote Management	93
9.1 Remote Management Overview	93
9.1.1 Remote Management Limitations	93
9.1.2 System Timeout	94
9.2 Remote Management Screens	94
9.2.1 WWW Screen	94
9.2.2 Telnet Screen	94
9.2.3 FTP Screen	95
9.3 SNMP	96
9.3.1 Supported MIBs	97
9.3.2 SNMP Traps	97
9.3.3 Configuring SNMP	97
Maintenance, Troubleshooting and Specifications	99
System	101
10.1 General System Screen	101
10.2 Dynamic DNS	102
10.2.1 Dynamic DNS Screen	102
10.3 Time Setting Overview	104
10.3.1 Pre-defined NTP Time Servers List	104
10.3.2 Synchronizing with a Time Server	105
10.3.3 Time Settings Screen	105
Logs	107
11.1 Logs Overview	107
11.1.1 Alerts	107
11.1.2 Syslog Logs	107
11.2 Logs Screens	108
11.2.1 View Log Screen	108
11.2.2 Log Settings Screen	108
11.3 Log Message Descriptions	110
Tools	115
12.1 Firmware Screen	115
12.1.1 Firmware Upload Screens	116
12.2 Configuration Screen	117
12.2.1 Restore Configuration Screens	118
12.3 Restart Screen	119
Troubleshooting	121
13.1 Power, Hardware Connections, and LEDs	121
13.2 P-2024 Access and Login	122
13.3 Internet Access	123
13.4 Phone Calls and VoIP	124
Product Specifications	129
14.1 General P-2024 Specifications	129
14.2 Telco-50 Connector Pin Assignments	131
14.2.1 P-2024 Phone Port Pin Assignments	131
14.2.2 Telco-50 Cable Connector Pin Assignments	131
14.3 Console Port Pin Assignments	132
Appendices and Index	133
Setting up Your Computer’s IP Address	135
Pop-up Windows, JavaScripts and Java Permissions	151
Rack-mount Installation	157
IP Addresses and Subnetting	159
Command Interpreter	169
NetBIOS Filter Commands	173
Internal SPTGEN	175
Legal Information	191
Customer Support	195

Match case Limit results 1 per page

Chapter 6 SIP

P-2024 User’s Guide

STUN

Active

Select this if all of the following conditions are satisfied.

•

There is a NAT router between the P-2024 and the SIP server.

•

The NAT router is not a SIP ALG.

•

Your VoIP service provider gave you an IP address or domain name for a

STUN server.

Otherwise, clear this field.

Server

Address

Enter the IP address or domain name of the STUN server provided by your VoIP

service provider.

Server Port

Enter the STUN server’s listening port, if your VoIP service provider gave you one.

Otherwise, keep the default value.

Use NAT

Active

Select this if you want the P-2024 to send SIP traffic to a specific NAT router. You

must also configure the NAT router to forward traffic with the specified port to the

P-2024. This eliminates the need for STUN or a SIP ALG.

Server

Address

Enter the public IP address or domain name of the NAT router.

Server Port

Enter the port number that your SIP sessions use with the public IP address of the

NAT router.

Outbound Proxy

Active

Select this if your VoIP service provider has a SIP outbound server to handle voice

calls. This allows the P-2024 to work with any type of NAT router and eliminates

the need for STUN or a SIP ALG. Turn off any SIP ALG on a NAT router in front of

the P-2024 to keep it from retranslating the IP address (since this is already

handled by the outbound proxy server).

Server

Address

Enter the IP address or domain name of the SIP outbound proxy server.

Server Port

Enter the SIP outbound proxy server’s listening port, if your VoIP service provider

gave you one. Otherwise, keep the default value.

NAT Keep Alive

Active

Select this to stop NAT routers between the P-2024 and SIP server (a SIP proxy

server or outbound proxy server) from dropping the SIP session. The P-2024 does

this by sending SIP notify messages to the SIP server based on the specified

interval.

Keep Alive

with SIP Proxy

Select this if the SIP server is a SIP proxy server.

Keep Alive

with Outbound

Proxy

Select this if the SIP server is an outbound proxy server. You must enable

Outbound Proxy

to use this.

Keep Alive

Interval

Enter how often (in seconds) the P-2024 should send SIP notify messages to the

SIP server.

MWI (Message

Waiting

Indication)

Enable

Select this if you want to hear a waiting (beeping) dial tone on your phone when

you have at least one voice message. Your VoIP service provider must support

this feature.

Table 22

VoIP > SIP > SIP Settings > Advanced

LABEL

DESCRIPTION