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Chapter 21 VoIP Table 98 VoIP > SIP > SIP Service Provider > Add new provider/Edit (continued) LABEL DESCRIPTION Use DHCP Option 120 First RTP Port Range Start Port End Port Select this to enable the SIP server via DHCP option 120. Enter the listening port number(s) for RTP traffic, if your VoIP service provider gave you this information. Otherwise, keep the default values. To enter one port number, enter the port number in the Start Port and End Port fields. To enter a range of ports, SRTP Support SRTP Support • enter the port number at the beginning of the range in the Start Port field. • enter the port number at the end of the range in the End Port field. When you make a VoIP call using SIP, the Real-time Transport Protocol (RTP) is used to handle voice data transfer. The Secure Real-time Transport Protocol (SRTP) is a security profile of RTP. It is designed to provide encryption and authentication for the RTP data in both unicast and multicast applications. The Zyxel Device supports encryption using AES with a 128-bit key. To protect data integrity, SRTP uses a Hash-based Message Authentication Code (HMAC) calculation with Secure Hash Algorithm (SHA)-1 to authenticate data. HMAC SHA-1 produces a 80 or 32-bit authentication tag that is appended to the packet. Crypto Suite Both the caller and callee should use the same algorithms to establish an SRTP session. Select the encryption and authentication algorithm set used by the Zyxel Device to set up an SRTP media session with the peer device. Select AES_CM_128_HMAC_SHA1_80 or AES_CM_128_HMAC_SHA1_32 to enable both data encryption and authentication for voice data. Select AES_CM_128_NULL to use 128-bit data encryption but disable data authentication. DTMF Mode DTMF Mode Select NULL_CIPHER_HMAC_SHA1_80 to disable encryption but require authentication using the default 80-bit tag. Control how the Zyxel Device handles the tones that your telephone makes when you push its buttons. You should use the same mode your VoIP service provider uses. RFC2833 - send the DTMF tones in RTP packets. PCM - send the DTMF tones in the voice data stream. This method works best when you are using a codec that does not use compression (like G.711). Codecs that use compression (like G.729 and G.726) can distort the tones. Transport Type Transport Type Ignore Direct IP FAX Option G711 Fax Passthrough T38 Fax Relay QoS Tag SIP INFO - send the DTMF tones in SIP messages. Select the transport layer protocol UDP or TCP (usually UDP) used for SIP. Select Enable to have the connected CPE devices accept SIP requests only from the SIP proxy/ register server specified above. SIP requests sent from other IP addresses will be ignored. This field controls how the Zyxel Device handles fax messages. Select this if the Zyxel Device should use G.711 to send fax messages. The peer devices must use the same settings. Select this if the Zyxel Device should send fax messages as UDP or TCP/IP packets through IP networks. This provides better quality, but it may have inter-operability problems. The peer devices must also use T.38. PX7511-B0 User's Guide 234

Section	Page
PX7511-B0	1
Document Conventions	3
Contents Overview	4
Table of Contents	6
User’s Guide	16
Introducing the Zyxel Device	17
1.1 Overview	17
1.1.1 Multi-Gigabit	17
1.2 Example Applications	17
1.2.1 Internet Access	18
1.2.2 Dual-Band WiFi	18
1.2.3 VoIP Application	19
1.3 Ways to Manage the Zyxel Device	19
1.4 Good Habits for Managing the Zyxel Device	19
1.5 Hardware	20
1.5.1 Front Panel	20
1.5.2 Rear Panel	21
1.5.3 The WPS Button	22
1.5.4 The RESET Button	23
1.5.5 The UPS Port	23
The Web Configurator	24
2.1 Overview	24
2.1.1 Accessing the Web Configurator	24
2.2 Web Configurator Layout	26
2.2.1 Navigation Panel	27
Quick Start Wizard	32
3.1 Overview	32
3.2 Wizard Setup	32
3.2.1 Time Zone	32
3.2.2 Internet	33
3.2.3 WiFi	35
Tutorials	37
4.1 Overview	37
4.2 Setting Up a Secure Wireless Network	37
4.2.1 Configuring the Wireless Network Settings	37
4.2.2 Using WPS	39
4.2.3 Without WPS	43
4.3 Setting Up Multiple Wireless Groups	44
4.4 Configuring Static Route for Routing to Another Network	49
4.5 Configuring QoS Queue and Class Setup	51
4.6 Access the Zyxel Device Using DDNS	55
4.6.1 Registering a DDNS Account on www.dyndns.org	55
4.6.2 Configuring DDNS on Your Zyxel Device	56
4.6.3 Testing the DDNS Setting	56
4.7 Configuring the MAC Address Filter	57
Technical Reference	59
Connection Status	60
5.1 Overview	60
5.1.1 Layout Icon	61
5.1.2 Connectivity	61
5.1.3 System Info	62
5.2 WiFi Settings	65
5.3 Guest WiFi Settings	67
5.4 LAN Settings	68
5.5 Parental Control	70
5.5.1 Create/Edit a Parental Control Profile	71
5.5.2 Define a Schedule	72
Broadband	74
6.1 Overview	74
6.1.1 What You Can Do in this Chapter	74
6.1.2 What You Need to Know	74
6.1.3 Before You Begin	77
6.2 Broadband Settings	77
6.2.1 Add/Edit Internet Connection	78
6.3 Technical Reference	84
Wireless	88
7.1 Wireless Overview	88
7.1.1 What You Can Do in this Chapter	88
7.1.2 What You Need to Know	88
7.2 Wireless General Settings	89
7.2.1 No Security	92
7.2.2 More Secure (Recommended)	92
7.3 Guest/More AP	94
7.3.1 The Edit Guest/More AP Screen	94
7.4 MAC Authentication	97
7.4.1 Add/Edit MAC Addresses	98
7.5 WPS Settings	99
7.6 WMM Settings	100
7.7 Others Settings	101
7.8 Channel Status Settings	104
7.9 Technical Reference	104
7.9.1 Wireless Network Overview	104
7.9.2 Additional Wireless Terms	106
7.9.3 Wireless Security Overview	106
7.9.4 Signal Problems	108
7.9.5 BSS	108
7.9.6 MBSSID	109
7.9.7 Preamble Type	109
7.9.8 WiFi Protected Setup (WPS)	110
Home Networking	117
8.1 Home Networking Overview	117
8.1.1 What You Can Do in this Chapter	117
8.1.2 What You Need To Know	117
8.1.3 Before You Begin	119
8.2 LAN Setup	119
8.3 LAN Static DHCP	123
8.4 UPnP Settings	125
8.4.1 Turning on UPnP in Windows 7 Example	126
8.4.2 Turning on UPnP in Windows 10 Example	128
8.5 LAN Additional Subnet	130
8.6 STB Vendor ID	132
8.7 Wake on LAN	133
8.8 TFTP Server Name	133
8.9 Technical Reference	134
8.9.1 LANs, WANs and the Zyxel Device	134
8.9.2 DHCP Setup	135
8.9.3 DNS Server Addresses	135
8.9.4 LAN TCP/IP	135
Routing	137
9.1 Overview	137
9.2 Static Route Settings	137
9.2.1 Add/Edit Static Route	138
9.3 DNS Route	140
9.3.1 Add DNS Route	140
9.4 Policy Route	141
9.4.1 Add/Edit Policy Route	143
9.5 RIP Settings	144
Quality of Service (QoS)	145
10.1 QoS Overview	145
10.1.1 What You Can Do in this Chapter	145
10.2 What You Need to Know	146
10.3 Quality of Service General Settings	147
10.4 Queue Setup	149
10.4.1 Adding a QoS Queue	150
10.5 QoS Classification Setup	151
10.5.1 Add/Edit QoS Class	152
10.6 QoS Shaper Setup	156
10.6.1 Add/Edit a QoS Shaper	157
10.7 QoS Policer Setup	157
10.7.1 Add/Edit a QoS Policer	158
10.8 Technical Reference	160
Network Address Translation (NAT)	165
11.1 NAT Overview	165
11.1.1 What You Can Do in this Chapter	165
11.1.2 What You Need To Know	165
11.2 Port Forwarding	166
11.2.1 Add/Edit Port Forwarding	168
11.3 Port Triggering	170
11.3.1 Add/Edit Port Triggering Rule	172
11.4 DMZ Settings	173
11.5 ALG Settings	174
11.6 Address Mapping	175
11.6.1 Add/Edit Address Mapping Rule	176
11.7 NAT Sessions	177
11.8 Technical Reference	178
11.8.1 NAT Definitions	178
11.8.2 What NAT Does	179
11.8.3 How NAT Works	179
11.8.4 NAT Application	180
Dynamic DNS Setup	182
12.1 DNS Overview	182
12.1.1 What You Can Do in this Chapter	182
12.1.2 What You Need To Know	182
12.2 DNS Entry	183
12.2.1 Add/Edit DNS Entry	183
12.3 Dynamic DNS	184
IGMP/MLD	186
13.1 IGMP/MLD Overview	186
13.1.1 What You Need To Know	186
13.2 IGMP/MLD Settings	186
VLAN Group	189
14.1 Overview	189
14.1.1 What You Can Do in this Chapter	189
14.2 The VLAN Group Screen	190
14.2.1 Add/Edit a VLAN Group	190
Interface Grouping	192
15.1 Interface Grouping Overview	192
15.1.1 What You Can Do in this Chapter	192
15.2 Interface Grouping Setup	192
15.2.1 Interface Group Configuration	194
15.2.2 Interface Grouping Criteria	196
Firewall	198
16.1 Firewall Overview	198
16.1.1 What You Can Do in this Chapter	198
16.1.2 What You Need to Know	199
16.2 Firewall Settings	199
16.3 Protocol Settings	201
16.3.1 Add New/Edit Protocol Entry	201
16.4 Access Control	202
16.4.1 Add/Edit an ACL Rule	203
16.5 DoS Settings	205
MAC Filter	207
17.1 MAC Filter Overview	207
17.2 MAC Filter Settings	207
Parental Control	209
18.1 Parental Control Overview	209
18.2 Parental Control Settings	209
18.2.1 Add/Edit a Parental Control Profile	210
Scheduler Rule	215
19.1 Scheduler Rule Overview	215
19.2 Scheduler Rule Settings	215
19.2.1 Add/Edit a Schedule Rule	215
Certificates	217
20.1 Certificates Overview	217
20.1.1 What You Can Do in this Chapter	217
20.2 What You Need to Know	217
20.3 Local Certificates	217
20.3.1 Create Certificate Request	218
20.3.2 View Certificate Request	219
20.4 Trusted CA	221
20.4.1 View Trusted CA Certificate	222
20.4.2 Import Trusted CA Certificate	223
VoIP	224
21.1 Overview	224
21.1.1 What You Can Do in this Chapter	224
21.1.2 What You Need to Know About VoIP	225
21.2 Before You Begin	225
21.3 The SIP Account Screen	226
21.3.1 The SIP Account Add/Edit Screen	226
21.4 The SIP Service Provider Screen	230
21.4.1 The SIP Service Provider Add/Edit Screen	231
21.5 The Phone Device Screen	235
21.5.1 The Phone Device Edit Screen	236
21.6 The Phone Region Screen	238
21.7 The Call Rule Screen	238
21.8 The Call History Screen	239
21.9 Technical Reference	240
21.9.1 Quality of Service (QoS)	248
21.9.2 Phone Services Overview	249
Log	254
22.1 Log Overview	254
22.1.1 What You Can Do in this Chapter	254
22.1.2 What You Need To Know	254
22.2 System Log	255
22.3 Security Log	256
Traffic Status	257
23.1 Traffic Status Overview	257
23.1.1 What You Can Do in this Chapter	257
23.2 WAN Status	257
23.3 LAN Status	258
23.4 NAT Status	259
VoIP Status	261
24.1 The VoIP Status Screen	261
ARP Table	264
25.1 ARP Table Overview	264
25.1.1 How ARP Works	264
25.2 ARP Table Settings	264
Routing Table	266
26.1 Routing Table Overview	266
26.2 Routing Table Settings	266
Multicast Status	269
27.1 Multicast Status Overview	269
27.2 IGMP Status	269
27.3 MLD Status	270
WLAN Station Status	271
28.1 WLAN Station Status Overview	271
xPON Status	273
29.1 Overview	273
29.2 xPON Status Screen	273
System	274
30.1 System Overview	274
30.2 System Settings	274
User Account	275
31.1 User Account Overview	275
31.2 User Account Settings	275
31.2.1 User Account Add/Edit	276
Remote Management	278
32.1 Remote Management Overview	278
32.2 MGMT Services	278
32.3 Trust Domain	279
32.3.1 Add Trust Domain	280
SNMP	281
33.1 SNMP Overview	281
33.2 SNMP Settings	282
Time Settings	284
34.1 Time Settings Overview	284
34.2 Time	284
Email Notification	287
35.1 Email Notification Overview	287
35.2 Email Notification Settings	287
35.2.1 Email Notification Edit	288
Log Setting	290
36.1 Logs Setting Overview	290
36.2 Log Settings	290
36.2.1 Example Email Log	292
Firmware Upgrade	294
37.1 Firmware Upgrade Overview	294
37.2 Firmware Upgrade Settings	294
Backup and Restore	296
38.1 Backup/Restore Overview	296
38.2 Backup/Restore Settings	296
38.3 Reboot	298
Diagnostic	299
39.1 Diagnostic Overview	299
39.1.1 What You Can Do in this Chapter	299
39.2 Diagnostic Screen	299
GPON	301
40.1 Overview	301
40.2 SLID	301
Troubleshooting and Appendices	302
Troubleshooting	303
41.1 Power, Hardware Connections, and LEDs	303
41.2 Zyxel Device Access and Login	304
41.3 Internet Access	305
41.4 Wireless Internet Access	306
41.5 UPnP	307
Customer Support	308
IPv6	314
Services	322
Legal Information	326

Match case Limit results 1 per page

Chapter 21 VoIP

PX7511-B0 User’s Guide

234

Use DHCP

Option 120 First

Select this to enable the SIP server via DHCP option 120.

RTP Port Range

Start Port

End Port

Enter the listening port number(s) for RTP traffic, if your VoIP service provider gave you this

information. Otherwise, keep the default values.

To enter one port number, enter the port number in the

Start Port

and

End Port

fields.

To enter a range of ports,

•

enter the port number at the beginning of the range in the

Start Port

field.

•

enter the port number at the end of the range in the

End Port

field.

SRTP Support

When you make a VoIP call using SIP, the Real-time Transport Protocol (RTP) is used to handle

voice data transfer. The Secure Real-time Transport Protocol (SRTP) is a security profile of RTP. It is

designed to provide encryption and authentication for the RTP data in both unicast and

multicast applications.

The Zyxel Device supports encryption using AES with a 128-bit key. To protect data integrity, SRTP

uses a Hash-based Message Authentication Code (HMAC) calculation with Secure Hash

Algorithm (SHA)-1 to authenticate data. HMAC SHA-1 produces a 80 or 32-bit authentication tag

that is appended to the packet.

Both the caller and callee should use the same algorithms to establish an SRTP session.

Crypto Suite

Select the encryption and authentication algorithm set used by the Zyxel Device to set up an

SRTP media session with the peer device.

Select

AES_CM_128_HMAC_SHA1_80

AES_CM_128_HMAC_SHA1_32

to enable both data

encryption and authentication for voice data.

Select

AES_CM_128_NULL

to use 128-bit data encryption but disable data authentication.

Select

NULL_CIPHER_HMAC_SHA1_80

to disable encryption but require authentication using the

default 80-bit tag.

DTMF Mode

Control how the Zyxel Device handles the tones that your telephone makes when you push its

buttons. You should use the same mode your VoIP service provider uses.

RFC2833

- send the DTMF tones in RTP packets.

PCM

- send the DTMF tones in the voice data stream. This method works best when you are using

a codec that does not use compression (like G.711). Codecs that use compression (like G.729

and G.726) can distort the tones.

SIP INFO

- send the DTMF tones in SIP messages.

Transport Type

Select the transport layer protocol

UDP

TCP

(usually UDP) used for SIP.

Ignore Direct IP

Select

Enable

to have the connected CPE devices accept SIP requests only from the SIP proxy/

FAX Option

This field controls how the Zyxel Device handles fax messages.

G711 Fax

Passthrough

Select this if the Zyxel Device should use G.711 to send fax messages. The peer devices must use

the same settings.

T38 Fax Relay

Select this if the Zyxel Device should send fax messages as UDP or TCP/IP packets through IP

networks. This provides better quality, but it may have inter-operability problems. The peer

devices must also use T.38.

QoS Tag

Table 98

VoIP > SIP > SIP Service Provider > Add new provider/Edit (continued)

LABEL

DESCRIPTION