4200 Series
Converged Network Appliance
User Manual
Edgewater Networks, Inc.
2730 San Tomas Expressway
Suite 200
Santa Clara, Ca. 95051
Phone: 408.351.7200
info@edgewaternetworks.com
4200 User Manual Edgewater Networks, Inc.
Version 3.0 2
Copyright (c) 2004, Edgewater Networks, Inc.
Edgewater Confidential, All Rights Reserved
Part Number: 500-10000-001, v2.3, 8-17-03.
This document is protected by copyright and distributed under licenses restricting its
use, copying, distribution , and decompilation. No part of this document may be
reproduced in any form by any means without prior written authorization of
Edgewater Networks, Inc. Documentation is provided “as is” without warranty of any
kind, either express or implied, including any kind of implied or express warranty of
non-infringement of the implied warranties of merchantability or fitness for a
particular purpose.
EdgeMarc is a trademark of Edgewater Networks, Inc. in the United States and other
countries. Any other trademarks appearing in this manual are owned by their
respective companies.
Export Notice
This product, software and related technology is subject to U.S. export control and
may be subject to export or import regulations in other countries. Purchaser must
strictly comply with all such laws and regulations. A license to export or re-export
may be required by the U.S. Department of Commerce.
Regulatory Compliance
This product was tested to comply with FCC standards for home and office use.
Licensing
Use of this product is subject to Edgewater Networks Software License Agreement.
Portions of this product include software sponsored by the Free Software Foundation
and are covered by the GNU GENERAL PUBLIC LICENSE.
See Appendix E: License Information for more information regarding licenses.
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Chapter 1: Introduction _________________________________________________ 6
Features ______________________________________________________________ 7
Front Panel LEDs ___________________________________________________________ 8
Back Panel _________________________________________________________________ 8
Power Connector____________________________________________________________ 8
LAN Ethernet port __________________________________________________________ 8
WAN Ethernet port__________________________________________________________ 9
Erase Switch (newer hardware will say “Reset” see below for switch details) __________ 9
Reset Switch________________________________________________________________ 9
Serial Console Port _________________________________________________________ 10
Chapter 2: Getting Started ______________________________________________ 11
Physical Installation ________________________________________________________ 11
Desktop Installation ________________________________________________________ 11
Wall-Mount Installation _____________________________________________________ 11
Connecting to the 4200 ______________________________________________________ 12
Chapter 3: Configuration Menu __________________________________________ 13
Network __________________________________________________________________ 13
VoIP ALG ________________________________________________________________ 15
SIP Settings _____________________________________________________________________ 16
MGCP Settings __________________________________________________________________ 18
H.323 Settings ___________________________________________________________________ 19
NAT _____________________________________________________________________ 21
Network Address Translation Configuration____________________________________ 21
Firewall __________________________________________________________________ 23
VPN Configuration _________________________________________________________ 26
DHCP Server ______________________________________________________________ 27
DHCP Relay_______________________________________________________________ 28
Traffic Shaper _____________________________________________________________ 29
System ___________________________________________________________________ 31
Network Information ______________________________________________________________ 32
Routing Information_______________________________________________________________ 33
Link Status ______________________________________________________________________ 33
Interface Information ______________________________________________________________ 33
Proxy ARP ______________________________________________________________________ 34
File Server ______________________________________________________________________ 35
File Download ___________________________________________________________________ 36
System Information _______________________________________________________________ 37
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Network Test Tools _______________________________________________________________ 38
Route __________________________________________________________________________ 38
VoIP Subnet Routing ______________________________________________________________ 39
Upgrade Firmware ________________________________________________________________ 40
Clients List______________________________________________________________________ 41
Dynamic DNS ___________________________________________________________________ 44
Set Link ________________________________________________________________________ 45
Services Configuration_____________________________________________________________ 47
Certificate ______________________________________________________________________ 49
System Time ____________________________________________________________________ 49
Survivability_____________________________________________________________________ 50
User Commands__________________________________________________________________ 53
Networking Restart _______________________________________________________________ 54
Reboot System ___________________________________________________________________ 54
Chapter 4: Configuring the 4200 _________________________________________ 55
System Configuration___________________________________________________ 62
Configure the WAN interface ________________________________________________ 62
Configure the LAN interface _________________________________________________ 64
VoIP Configuration ____________________________________________________ 65
Configure the VoIP ALG ____________________________________________________ 65
Set Ethernet Link Rate ______________________________________________________ 66
Configure the DHCP Server__________________________________________________ 67
Configure SNMP ___________________________________________________________ 69
Enable Remote System Logging_______________________________________________ 70
Change the Administration Password__________________________________________ 71
VoIP Configuration ____________________________________________________ 71
VoIP Configuration ____________________________________________________ 72
Configure the VoIP ALG ____________________________________________________ 72
Configure VoIP Subnet Routing ______________________________________________ 73
Configure IP Phones, IADs or Softphones ______________________________________ 75
Data Networking Configuration __________________________________________ 77
NAT for Data Traffic _______________________________________________________ 77
Static IP routing ___________________________________________________________ 79
Firewall Configuration _________________________________________________ 80
Configure Basic settings _____________________________________________________ 81
Configure Advanced Settings_________________________________________________ 81
Traffic Management Configuration _______________________________________ 83
Enable Traffic Shaping______________________________________________________ 84
Enable CAC _______________________________________________________________ 85
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A Closer Look at Traffic Management in the 4200 _______________________________ 86
Chapter 5: System Diagnostics ___________________________________________ 88
Passive Voice Call Monitoring____________________________________________ 90
Accessing Troubleshooting Tools _________________________________________ 92
Chapter 6: Saving and Restoring the 4200 Configuration _____________________ 95
Chapter 7: Upgrading the 4200 __________________________________________ 98
Appendix A: Troubleshooting Tips_______________________________________ 101
Appendix B: Contact Information _______________________________________ 102
Appendix C: Specifications_____________________________________________ 102
Appendix D: Warranty Information______________________________________ 102
Appendix E: License Information _______________________________________ 103
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Chapter 1: Introduction
Thank you for the purchase of your 4200 converged network appliance.
This User's Guide describes the 4200 converged network appliance. This document
introduces the major features of the 4200 and describes how to perform physical
installation and system configuration. Additional information on the features provided
by the 4200 can be found in our extensive knowledgebase located at
http://www.edgewaternetworks.com/kb .
This User's manual is intended for network installers, network operators, and
security officers.
Typographic conventions
Steps in any particular task are presented using an alphabetized list as follows:
A.
B.
C.
User input is displayed in boldface type and can represent either keyboard input or
mouse selections in a browser window depending on the context.
Web GUI menus and input areas are called out using italics.
Informational statements are denoted using the symbol and are presented
using
green type.
WARNING statements are denoted using the
symbol and contained inside
of grey text boxes using
red type.
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The 4200 Converged Network Appliance
The 4200 is a new generation of edge device providing the demarcation point
for real-time, interactive IP services. It is the ideal solution for connecting
enterprise PCs and IP Phones to a private or public IP network. It replaces
multiple standalone systems by integrating voice-over-IP (VoIP), network
security, traffic management and voice call quality monitoring into a low-cost,
easily managed device.
Use the 4200 to ensure high quality voice calls, maximize WAN link utilization
for data traffic and protect the enterprise LAN from network based attacks.
Features
Resolves NAT/firewall traversal problems for VoIP by providing a VoIP
application layer gateway (ALG) that supports SIP, MGCP and H.323
Support for 2 to 30 concurrent VoIP calls
Protects the enterprise LAN using a stateful packet inspection (SPI)
firewall for both voice and data traffic
Provides NAT and PAT for voice and data
Performs static IP routing
Performs traffic management including prioritization, classification,
queuing, TOS bit setting and call admission control for voice
Provides voice call quality monitoring and testing
Provides integrated test tools to facilitate problem isolation
Provides a DHCP server for enterprise PCs and IP phones
Performs TFTP relay for IP phone images
Uses a simple web based GUI for configuration and management
Supports logging to external syslog servers and interfaces to network
management systems using SNMP
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Front Panel LEDs
The LEDs display real-time information for key functions of the 4200. They are as
follows:
LED Label Activity Description
Power On 5 volts DC power is supplied to the unit
Status On A system fault condition has been detected. Please contact
Edgewater technical support.
WAN Link/Act Flashing Indicates data traffic sent/received by appliance on the WAN
LAN Link/Act Flashing Indicates data traffic sent/received by appliance on the LAN
100Mbps On Indicates Ethernet link rate of 100Mbps
Back Panel
The back panel of the 4200 contains the following:
Power connector
LAN Ethernet ports
WAN Ethernet port
Erase/Reset switch
Serial console port
Power Connector
The 4200 comes with an AC power cord and 5vdc, 3.0 Amp power adapter for
connecting to this port.
LAN Ethernet port
The 4200 series LAN interface is a 4-port switch that uses a single IP address.
The LAN Ethernet ports are 10/100 auto sensing ports that should be
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connected to IP phones, IADs or PCs installed on the local area network (also
known as the private network).
WAN Ethernet port
The WAN Ethernet port is a 10/100 auto sensing port that should be
connected to the wide area network (also known as the public network)
through a WAN termination device such as an xDSL modem or router
Erase Switch (newer hardware will say “Reset” see below for switch
details)
To erase any custom configuration and restore the 4200 to its factory default
state depress the erase button once, wait for the LEDs to illuminate and press
again before 2 seconds expires.
WARNING: Using the Erase switch as outlined above means any
configuration made to the 4200 will be lost. Additionally the VoIP
ALG registration code must be re-entered in the 4200 as covered in
Chapter 4: System Diagnostics, viewing the ALG registration code.
Erasing the configuration means that IP phones installed behind the
4200 will not work and Internet connectivity or network access for
PCs will be down until the system is reconfigured.
Reset Switch
To perform a “soft” boot depress the reset button once, to erase the CLI
password and set it back to the factory default CLI password depress the
reset button twice, to erase any custom configuration and restore the 4200 to
its factory default state depress the reset button three times.
WARNING: Using the Erase switch as outlined above means any
configuration made to the 4200 will be lost. Additionally the VoIP
ALG registration code must be re-entered in the 4200 as covered in
Chapter 4: System Diagnostics, viewing the ALG registration code.
Erasing the configuration means that IP phones installed behind the
4200 will not work and Internet connectivity or network access for
PCs will be down until the system is reconfigured.
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Serial Console Port
This port is used to establish a local console session with the 4200 using a
VT100 terminal or emulation program. The baud rate is 9600 8 N 1 and None
for flow control. It is used for debug or local diagnostic purposes only.
Primary configuration of the 4200 is performed from a web browser as
covered in “Chapter 3: Configuring the 4200”.
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Chapter 2: Getting Started
Physical Installation
The 4200 is designed for either desktop or wall mount installation. Please
observe the following guidelines when installing the system:
Never assume that the AC cord is disconnected from a power source.
Always check first.
Never place objects greater than 5 lbs on top of the 4200 as damage
to the chassis may result.
Always connect the AC power cord to a properly grounded AC outlet to
avoid damage to the system or injury.
Ensure that the physical location of the installation has adequate air
circulation and meets the minimum operating conditions as provided in
the environmental specifications for the system. These can be found
on our website at
www.edgewaternetworks.com.
Desktop Installation
A. Remove the 4200 and accessories from the shipping container.
B. Place the 4200 on a flat, dry surface such as a desktop, shelf or tray.
C. Connect the power and network cables to the appropriate ports on the back of
the system.
Wall-Mount Installation
The 4200 can be wall-mounted using the two mounting brackets on the bottom of
the appliance. We recommend using two round or pan head screws.
A. Install two screws 5 14/16
”
horizontally apart on a wall or other
vertical surface. The screws should protrude from the wall so that you
can fit the appliance between the head of the screw and the wall.
B. If you install the screws in drywall use hollow wall anchors to ensure
that the unit does not pull from the wall due to prolonged strain from
the cable and power connectors.
C. Remove the 4200 and accessories from the shipping container.
D. Hang the 4200 on the wall.
E. Connect the power and network cables to the appropriate ports on the
back of the system.
WARNING: Secure the power supply using a fastener or nearby shelf
so that it does not hang from the power connector.
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Connecting to the 4200
The 4200 is configured using a web browser such as Internet Explorer or
Netscape Navigator. The 4200 is shipped with a pre-configured IP address for
its LAN port of 192.168.1.1. To connect to the 4200, do the following:
A. Connect a PC to one of the LAN ports of the 4200 using an IP address of
192.168.1.2 and subnet mask of 255.255.255.0 to one of the 4200 LAN
ports.
B. Launch a web browser on
the PC and enter the URL
string:
http://192.168.1.1. Press
Return. The initial 4200
main configuration menu
appears.
C. Select the Network link -
enter the username root
and the password default to
log into the system.
D. Continue to configure the
system using the information
provided in “Chapter 4:
Configuring the 4200”.
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Chapter 3: Configuration Menu
Network
The system can be configured to support a wide range of multimedia network
services. These services can be enabled or disabled depending on the
functionality required for a network configuration. The device's network
settings include configuring the LAN and WAN interfaces, DNS and Default
Gateway.
⇒
Select Network --
Networking configuration information for the public and
private networks.
o LAN Interface Settings --
A LAN is a shared communications
system to which many computers, switches, IP telephones, and IP
telephone client adapters are attached. In addition to needing an
Internet connection, the system must also be attached to your LAN to
serve your voice, video and data needs.
o IP Address --
Your system has been pre-configured with a LAN IP
address of 192.168.1.1, in the IP Address field, enter the local area
network address of the LAN port of the system.
o Note; The system is shipped with a LAN IP
address of 192.168.1.1. This allows you initially
access the system using a PC with an IP address
of 192.168.1.2 to configure it. When the systems
LAN IP Address is changed to reflect your local
LAN subnet, you will lose connectivity to the
system until you change your PC IP to be on the
same subnet.
o Subnet Mask --
Enter the subnet mask for the LAN IP Address.
The default value is 255.255.255.0.
o WAN Interface Settings --
The system is attached to the Internet
with an Ethernet WAN connection or optionally an integrated T-1
CSU/DSU in the system 4300T devices. A WAN is an extension of an
internal network into a wider area using private circuits such as T-1
lines or virtual circuits in packet switched networks.
☞
ADSL-PPPoE
☞
DHCP
☞
Static
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ADSL-PPPoE --
Select ADSL-PPPoE to enable the username
and password options
o User Name --
Enter the username given to you by your
network provider.
o Password --
Enter the password given to you by your
network provider.
o Keepalive Ping --
If Keepalive Ping is enabled, your
system will send an ICMP echo request to its gateway
approximately in 1 minute intervals to ensure that your ISP
keeps the PPPoP connection open.
o PPPoE Link Status (view only) --
This will display the
status of the PPPoE line “Up” or “Down”.
DHCP --
Select DHCP if you want to get WAN side IP address
using DHCP server available in WAN side of the network.
Note; To view the WAN IP address given to the system,
go to the Network Information page.
Static --
Select Static if you want to configure WAN interface
with a static IP address (default view).
o IP Address --
Enter the WAN IP address for the system.
o Subnet Mask --
Enter the Subnet Mask for the WAN IP
address.
o Default Gateway --
Enter the default IP gateway for the
system. This gateway will be on the same IP subnet as the IP
address.
o Primary DNS Server --
Enter the Primary DNS Server for
the system to resolve domain names to. This address should be
supplied by your ISP provider.
o Secondary DNS Server --
Enter the Secondary DNS
Server for backup in case the primary is not reachable. This
address should be supplied by your ISP provider.
⇒
Select Submit
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VoIP ALG
An application-layer gateway provides basic proxy features. Serving as an
ALG proxy, the system maps many network appliances into one or more
public IP addresses and provides the connectivity and management for IP
phones. The ALG must first recognize and register a network appliance before
it presents the IP telephone or data device through its public WAN port. The
system contains an MGCP, SIP and H.323 call-control proxy ALG. VoIP phones
and client adapters have to be configured to point to the system, which
serves as a call-control server, proxy, gatekeeper or gateway. For corporate
customers with high-end routers and firewalls, the system can be configured
as a VoIP Application Layer Gateway only. This allows all of the normal data
traffic to continue to be handled by the existing network devices, and
voice/video traffic to be handled by the system. For this configuration, the
system WAN Ethernet port is connected to the internet. The system LAN
Ethernet port is connected to a port on the desired LAN Ethernet switch. The
system can reside on one subnet and be accessed by VoIP devices on other
subnets through the router.
⇒
Select VoIP ALG.
o TFTP server IP address --
This allows the system to act as a TFTP
server providing subsequent configuration information to other VoIP
phones or devices.
o Use ALG Alias IP Address --
Enter the IP address on the LAN that
endpoints communicate with. Generally, this is the same as the LAN IP
address. In some cases, the ALG addresses will not correspond to the
addresses of the LAN or the WAN ports (e.g. when VRRP is enabled).
The addresses will be alias addresses that have been configured on the
ports. In general, the user should leave this feature disabled. Check
this box to enable the below IP parameters to be changed.
Note; VRRP is only supported in the 5300 and 6400
platforms.
Enable Use ALG Alias IP Address and Submit
o ALG LAN Interface IP --
Enter the IP address on the LAN
that endpoints communicate with. Generally, this is the same
as the LAN IP address.
o ALG WAN Interface IP --
Enter the IP address on the WAN
that communicates with the soft switch. Generally, this is the
same as the WAN IP address.
Note; ALG is enabled on your system, which allows the
system to recognize and register a network appliance
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before it presents the IP telephone or data device
through its public WAN port. (see System for License
key details) When the ALG is not registered this text will
read “
Invalid License Key. The device has to be
registered
.”
o Do strict RTP source check --
This feature is designed to
prevent a specific RTP-based Denial-of-Service attack as well as
address network based gateways that periodically fail to stop
sending an RTP stream when a call ends. If the source of an
inbound RTP stream does not match the IP Address and Port for
an existing outbound RTP stream, then it is assumed that the
inbound stream is "rogue RTP". When rogue RTP is detected, a
syslog message is generated and the inbound stream is
dropped.
⇒
Select Submit.
⇒
Select the Protocol you want to configure in the Left hand frame;
☞
SIP
☞
MGCP
☞
H.323
SIP Settings
⇒
Select VoIP ALG
⇒
Select SIP
o SIP Server Address --
If a SIP ALG is needed, enter the address
(either an IP or URL) for the SIP Server and port number as provided.
The SIP server provides session-initialization protocol service to IP
phones, client adapters and gateways.
o Enable Multi-homed Outbound Proxy Mode --
Enable Multi-
homed Outbound Proxy Mode setting allows phones behind the
same System to utilize the default softswitch or one of their own
choosing.
o Enable Transparent Proxy Mode --
Enable Transparent Proxy
Mode setting allows the System to intercept SIP messages from a
LAN-side phone regardless of the Outbound Proxy and SIP Proxy
values configured in the phone.
Select Enable Transparent Proxy mode and submit
o Allowed SIP Proxies --
Round robin SIP requests
setting forces the System to forward requests from
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endpoints to IP addresses configured below in the Round
Robin SIP proxies list in a round robin manner. Enable
this feature and submit to view and modify the list. This
is the list of outbound proxies or registrars that are
allowed through Transparent Proxy Mode. The SIP
Server Address above is always included and does not
have to be in this list.
o Registration --
The SIP registration settings allow the device to
manipulate the endpoints registration rate.
o SIP Expires Override (s) --
SIP Expires override field specifies
the number of seconds a registration should be valid. The system uses
this value to re-write the expires value returned from the soft-switch.
The value is entered in seconds i.e. 30 will be 30 seconds.
o Soft-Switch Expires Override (s) --
SIP Soft-Switch expires
override field specifies the number of seconds that should be used
when forwarding registration messages to the soft-switch. This should
be higher than the rate pacing value, otherwise, the soft-switch may
consider the phones registration to have expired. If this field is not set,
the phones value is forwarded unchanged.
o Register Rate Pacing (s) --
If the SIP Expires override field is set
to a lower value, the number of registration messages may overload
the soft-switch. In order to prevent this, you can set the Register
Rate pacing field to the number of seconds to wait before forwarding
a register message from one phone to the soft-switch. Any register
messages received before this time will be locally answered by the
system. For example, you may set the expires value to 60 and the
pacing value to 1800 to have the phone register to the system every
minute, but only let a register message through to the soft-switch
every 30 minutes.
o LAN/Subscriber Side Gateway --
The LAN/Subscriber side
gateway allows PSTN calls to go out to a local gateway. This gateway
can also be used in survivability mode. The LAN/Subscriber Side
Gateway is used to configure a LAN/Subscriber side SIP gateway to
which calls that are not for a registered phone can be sent. The name
of the gateway is a locally meaningful name. These two fields must
both be filled in, or both be empty.
o Gateway Name --
Enter the gateway name given to the gateway
itself.
o Gateway Address --
Enter the IP or FQDN address of the gateway
⇒
Select Submit
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MGCP Settings
⇒
Select VoIP ALG
⇒
Select MGCP
o MGCP Server IP Address --
If a MGCP ALG is needed, enter the IP
address for the MGCP Server as provided. The MGCP server provides
media gateway control protocol service to IP phones, client adapters
and gateways.
o MGCP Call Agent Port --
Call Agent Port specifies the port
number that the Call Agent (soft-switch) listens to for messages from
the phones. (Default is 2727)
o MGCP Media Gateway Port --
The Media Gateway Port specifies
the port number the Media Gateway (phones) listens to for messages
from the soft-switch. (Default is 2427)
o MGCP Notify Entity Port --
The Notified Entity port specifies the
port number that the soft-switch uses for notifications from the
phones, e.g. hook up, hook down, digits. (Default is 2432)
o Re-Registration --
Re-registration controls the automatic re-
registration on behalf of the clients. Automatic MGCP Re-
registration is used to re-register MGCP endpoints every time the
network or system restarts. Enable this feature to automatically
synchronize the softswitch and phones immediately after a restart. The
default is Enabled.
o MGCP Re-Registration Rate (s) --
MGCP Re-registration Rate
is used to set the number of MGCP RSIP messages to send per second
to the Media Gateway Controller when re-registration is needed. If the
MGCP Re-registration Rate needs to be changed, enter a value
between 1 and 5. Generally, this value does not need to be modified.
The default value is 5 messages per second.
o MGCP Re-Registration Retry Delay (s) --
The system re-registers
clients when it starts up. If any of these re-registration requests fail,
the system will wait for the configured number of seconds and then
retry the re-registration for the clients that failed. The system will
make at most 10 re-registration requests for failed attempts. If the
MGCP Re-registration Retry Delay needs to be changed, enter a
value between 30 and 60 seconds. Generally, this value does not need
to be modified. The default value is 30 seconds.
o Audit Endpoint --
Audit Endpoint allows the system to detect
whether a client is still responsive.
o Automatic MGCP Audit --
The Automatic MGCP Audit flag
specifies whether MGCP clients should be automatically audited by
sending a message to each client and wait for a response.
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o Audit Cycle Interval (m) --
Audit Cycle Interval specifies how
often these messages should be sent out to the clients. Each cycle, all
endpoints will be audited so the rate of messages being sent is
dependent on the number of clients currently registered. The value is
entered in minutes. The default value is 15 minutes.
o Stale Time (m) --
Stale Time value is used to decide when a client
is supposed to be deemed stale, or unavailable. The value is entered in
minutes. The default value is 1440 minutes.
o Prevent Stale Registration --
Prevent stale re-registration flag
can be used to disable the automatic MGCP re-registration feature for
stale clients.
o Automatic Client Deletion --
Automatic Client Deletion will
delete clients that has been unavailable for a given period of time.
o Deletion Time (m) --
Automatic Client Deletion will delete
clients that has been unavailable for a given period of time and the
Deletion Time specifies this time.
⇒
Select Submit
H.323 Settings
⇒
Select VoIP ALG
⇒
Select H.323
Specify the Gatekeeper mode by selecting the desired mode. If "No
gatekeeper" is selected, H.323 processing will be disabled. "WAN/Provider-
side gatekeeper" mode will cause the system to forward all client RAS
messages to the gatekeeper. "LAN/Subscriber-side gatekeeper" will forward
all incoming calls to the gatekeeper. "Embedded gatekeeper" mode will cause
the system to act as a gatekeeper itself.
o WAN/Provider-Side Gatekeeper Settings --
If "WAN/Provider-
side gatekeeper" mode is selected, the WAN/Provider-side
gatekeeper settings must be configured. The IP address of the
gatekeeper should be entered under WAN/Provider-side GK address.
o LAN/Subscriber-Side Gatekeeper Settings --
If
"LAN/Subscriber-side gatekeeper" mode is selected, the
LAN/Subscriber-side gatekeeper settings must be configured. The
IP address of the gatekeeper should be entered under LAN/Subscriber-
side GK address.
o Embedded Gatekeeper --
If "Embedded gatekeeper" mode is
selected, the Embedded gatekeeper settings must be configured.
☞
Time-To-Live value specifies how long an endpoint's
registration should be valid.
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☞
Send Request-In-Progress checkbox enables the sending of
Request-In-Progress messages when lengthy operations are done,
such as doing a DNS lookup for a domain-name.
o Domain-Name --
The system can strip the given domain-name
from incoming calls when attempting to match the alias to a client and
strip all domain names from outgoing calls. When the local domain-
name is specified, the system will strip this domain name from any
destination aliases in incoming calls if present. This will allow
endpoints to register with just their extension instead of the whole
user@domain alias. Domain-name settings can be used to strip
domain-names from aliases. This can be used to allow endpoints to
dial destinations composed of a user or alias part, the "@" sign, and a
host or IP part, e.g. "user@company.com", "123@company.com", or
"[email protected].3.4". When this call is sent out, or received from the
outside, the host or IP part can be stripped to allow normal alias
matching.
o Local-Domain --
Local domain specifies the local domain of the
system. This domain (if specified) will be stripped from any incoming
calls before matching the alias.
o Strip Outgoing Domains --
Strip outgoing domains will cause
the domain part to be stripped from any outgoing calls.
o Convert Digits to E.164 --
Convert digits to E.164 will convert
the called alias to an E.164 alias if the user part is digits only. For
example, if "123@company.com" is called, "@company.com" will be
stripped and the resulting alias is "123". Since this alias only contains
digits, it will be converted to an E.164 alias.
o Terminal Type --
Terminal Type specifies what client type shall be
signaled to the gatekeeper. The Terminal Type is used to specify the
type of terminal that the system should use. It can be either endpoint
or gateway.
o Multicast Messages --
Some RAS messages can be multicast in
order to automatically detect gatekeepers. Multicast Messages
determines whether the system should listen and process multicast
RAS messages such as Gatekeeper Requests (GRQ) and Location
Requests (LRQ). Processing these messages allow endpoints to
automatically detect the system but if multiple systems process
multicast messages, it can cause a conflict.
o Bandwidth Settings --
Bandwidth Settings specifies the
bandwidth to allow for H.323 calls. The bandwidth is specified in kbps
and if it is set to 0, bandwidth management is not enforced. Only calls
with media traversing the system is counted towards the bandwidth
maximum. This number apples to the TOTAL bandwidth maximum
(payload + overhead); the actual payload amount allowed through will
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