XV0500 Video MCU User's Guide

Transcription

1 XV0500 Video MCU User's Guide Xorcom multi-point video conferencing stand-alone solution Doc. Version:

2 XV0500 Video MCU User's Guide Page 2 of 30 Table of Contents Product Description... 4 Product Components... 4 XV0500 Video MCU Communication Scheme... 5 Methods to Call the MCU... 5 PBX Users Call the XV0500 via a SIP Trunk... 6 PBX Users Call the MCU Just Like Regular IP-PBX SIP Extensions... 7 Users Call the XV0500 Video MCU Directly... 7 IP Settings... 8 IP Settings of the MCU-DSP... 8 IP Settings of the XV Configuring the MCU-CS IP Settings... 9 MCU Administration and Configuration... 9 Overview... 9 Login... 9 Main Menu... 9 System Settings User Management Network Settings SIP Settings Access Numbers Date/Time Settings Maintenance Software Upgrade Conference Management Add/Remove a Conference Conference Roles Content Sharing MCU Monitoring Conference Leader Dashboard Operations Main Screen Inviting Participants Modifying Conference Layout Mode Show Statistics... 25

3 XV0500 Video MCU User's Guide Page 3 of 30 Appendix A: How to change MCU-DSP IP settings Appendix B: How to obtain/configure IP address by using a keyboard and a display monitor Appendix C: XV0500 video MCU endpoint interoperability chart... 30

4 XV0500 Video MCU User's Guide Page 4 of 30 Product Description The XV0500 Video MCU is a multi-point video conferencing system. Its Web-based management system provides users with a real-time tool for easy system configuration, conference creation, monitoring and conference control. The XV0500 Video MCU offers the following main video/audio capabilities: HD Conferencing: Wide-band high definition (HD) voice, and HD video in resolutions of up to 720p. Transcoding: Advanced transcoding and transrating capabilities provide participants with video and audio formats optimized for use with their specific end device, including codec type, frame rate, frame size and screen resolution. Video/voice Specifications: Voice codecs: G711a, G711u, G729, G723, G722.1, ilbc Video codecs: MPEG4, H263, H264 Video resolution: QCIF, CIF, VGA, 4CIF and HD(720p) Leader-based Conferences: A conference may be managed by a leader, or defined as an un-managed adhoc conference. Configurable Meeting Rooms: Meeting rooms (for impromptu conferences) may be provisioned and established for use at any time. Multiple Video Layout Options: 10 video dynamic layouts are available for equal-presence display and 5 for dominant-based display. When a participant enters or leaves the conference the layouts are reset automatically. VIP Participants: The XV0500 Video MCU allows pre-defined VIP participants to join a conference without requiring PIN code authentication. Registration on a SIP Server: As an optional feature, the XV0500 Video MCU can register the access numbers and/or conference room numbers on a SIP server. In addition, SIP clients can optionally register on the MCU built-in SIP server. Leader Dashboard: The XV0500 Video MCU provides a leader dashboard to enable a designated conference leader to control the conference by inviting or removing participants and modify conference parameters (mute, set dominant speaker, etc.). Product Components The video/audio MCU component consists of: MCU DSP board (MCU-DSP), which is a PCI Express DSP-farm board, designed to provide powerful and cost-effective multimedia processing capabilities. The board has an Ethernet interface that is used for communication with MCU communication software. MCU communication software (MCU-CS) that provides SIP User Agent (UA) functionality and communicates with the MCU-DSP via IP protocol. MCU-CS also works as a Real-time Transport Protocol (RTP) relay by forwarding the RTP messages to/from MCU-DSP. Web-based MCU configuration software

5 XV0500 Video MCU User's Guide Page 5 of 30 XV0500 Video MCU Communication Scheme The MCU-DSP is connected to the host mother system eth1 Ethernet interface by straight CAT 5e or CAT 6 cable. Conference participants communicate with XV0500 by using SIP protocol via the eth0 interface port eth1 eth0 Methods to Call the MCU It is possible to make SIP calls to XV0500 directly or via another SIP server (e.g. IP-PBX). When the MCU-CS receives a call then it behaves as described in the table below: Called number Actions Example of SIP request URI An access number (ref. System Settings / Access Numbers ) A meeting room number (ref. Conference Management ) An access number, a meeting room number and PIN separated by the * sign The caller will be prompted for the conference number they want to join, and optionally for a PIN The caller may be prompted to supply a PIN The caller will join the requested conference sip:500@ sip:100@ sip:500*100*1234@

6 XV0500 Video MCU User's Guide Page 6 of 30 Three methods for configuring the IP-PBX and XV0500 communication are described below. In all of the examples it is assumed that: the IP address of the XV0500 is the IP address of the IP-PBX is the MCU-CS access number is 500 there is a conference defined as 100 PBX Users Call the XV0500 via a SIP Trunk In the PBX configuration it is possible to define a SIP trunk for the XV0500 and one or more outbound routes for that trunk. a) Create a SIP trunk called ConfBridge b) Create an outbound route for calling to this trunk. Define the route name as 'MCU' and choose the prefix '52' for the route:

7 XV0500 Video MCU User's Guide Page 7 of 30 The IP-PBX users will have to dial 52 and then any three digits in order to make a call via the ConfBridge SIP trunk. The '52' prefix will be stripped off automatically from the called number. For example, in order to call the MCU access number 500, the IP-PBX users would dial The SIP trunk approach has the following limitation: the callers who access the IP-PBX via the other trunks will not be able to call MCU unless either: a) context=from-internal is defined for those trunks, which significantly decreases the PBX protection level, or b) some special customization for the standard FreePBX dialing plan is implemented. Alternatively, it is possible to configure the XV0500 to register the access number(s) and/or the conference number(s) as regular IP-PBX extensions. In this case the external IP-PBX users will be able to call the conference bridge, just like they would any other IP-PBX extension. PBX Users Call the MCU Just Like Regular IP-PBX SIP Extensions a) Define a SIP IP-PBX extension for each access number and a conference number the XV0500 should register. b) Enable the corresponding access number and/or conference number registration in the XV0500 configuration. (Ref. topic Access Numbers and Conference Management.) Users Call the XV0500 Video MCU Directly The MCU-CS has its own built-in registrar/proxy SIP server that is by default bound to port 5060/udp. Optionally it is possible to make inbound SIP calls to the MCU-CS without authentication. This service is by default bound to port 5095/udp. Those two services allow calling the MCU-CS directly, bypassing the IP-PBX. Following is an example of an unauthenticated call using Linphone:

8 XV0500 Video MCU User's Guide Page 8 of 30 If your PBX is Asterisk -based then one of two direct calling methods is only way to provide the caller with a HD video stream from the conference bridge. Unfortunately, Asterisk does not handle HD video SDP parameters in the SIP messages correctly. As a result, the MCU does not get the correct information about the caller capabilities to receive the HD video. The workaround is to call the MCU directly. The direct call method may also be useful when dialing the MCU as access_number*room_number*pin. For example, sip:500*100*1234@ where 500 is the access number 100 is the meeting room number 1234 is the PIN IP Settings The following table describes the required IP settings to be configured depending on the LAN parameters: IP Conflict: nnn is already in use on the LAN No Yes Required Changes XV0500 eth0 MCU-DSP, XV0500 eth0 and eth1 IP Settings of the MCU-DSP The IP address of the MCU-DSP board is written in its EEPROM. By default, the MCU-DSP address is In order to change the address the board must be connected via the RS-232 interface. Please refer to Appendix A: How to change MCU-DSP IP Settings for further details. IP Settings of the XV0500 The table below contains the default IP settings of XV0500: Interface name eth0 Parameters DHCP eth1 IP address: Network mask:

9 XV0500 Video MCU User's Guide Page 9 of 30 If the nnn addresses are already in use on the LAN then it is necessary to change the IP addresses of the MCU-DSP and of the eth1 interface in order to avoid conflict of IP addresses. Please refer to Appendix A: How to change MCU-DSP IP Settings for further details. The MCU IP settings can be changed via the Web-based management interface. Please refer to the Network Settings section below. If the MCU IP address is unknown and it is not possible to connect to the device s Web-based management interface then a keyboard and a display monitor can be used to obtain and/or change the eth0 or/and eth1 IP settings. Refer to Appendix C: How to obtain/configure IP address by using a keyboard and a display monitor. Configuring the MCU-CS IP Settings The MCU-CS automatically uses the XV0500 IP settings. If the XV0500 IP addresses and/or the MCU-DSP address have been changed, then it will be necessary to reboot the server in order for the MCU-CS to use the new settings. MCU Administration and Configuration Overview The administration and the configuration of MCU is done through the GUI of the Web-based management system. Login Access the following URL to reach the MCU management screens: IP address>/mcu The default username/password is admin/admin. Main Menu Once the user has logged in the main menu is displayed. The main menu is divided into two major categories: a) System Setting b) Conferences

10 XV0500 Video MCU User's Guide Page 10 of 30 Select the desired category in the horizontal menu located in the upper section of the screen. Each category has its own vertical menu. Before starting to set up a conference, the system parameters should be configured. The System Settings menu is displayed in the graphic below. System Settings User Management (SYSTEM SETTINGS / USER MANAGEMENT) The MCU user list is managed on this page. It is possible to add or remove users, define their role and change their passwords: Add a new user to the system - Modify the user information - Delete the user from the system - In order to add a new user, the administrator should define a username, a password and select a role for the user. The role can be either admin or user. The admin role permits access to all system capabilities. The user role limits the user to creating a conference and viewing the conference information. This role does not allow the user to configure the system and manipulate (add/edit/delete) the other users.

11 XV0500 Video MCU User's Guide Page 11 of 30 Note: To ensure the system's security, before starting to use the XV0500 Video MCU it is highly recommended to change the default user name and password. Network Settings (SYSTEM SETTINGS / NETWORK SETTINGS) You can change the XV0500 eth0 interface IP settings here. SIP Settings (SYSTEM SETTINGS / SIP CONFIGURATION)

12 XV0500 Video MCU User's Guide Page 12 of 30 SIP Interface Parameter Values Description Listening SIP Port Port This parameter provides an additional SIP port for SIP interactions between XV0500 and external entities. The external entities can be SIP UAs like SIP- PBXs, or non-registered SIP clients. SIP clients cannot register to MCU-CS through this port, to register with XV0500 the Listening SIP Port of the Built-in Registrar / Proxy should be used. Block Direct Calls Check-box (Yes/No) If this box is checked, direct incoming calls through SIP Listening Port (see above), will be blocked. Built-in Registrar / Proxy Parameter Values Description Enable Registrar / Proxy Check-box (Yes/No) If this box is checked then XV0500 can be used as a registrar for SIP clients. Listening SIP Port Port This is XV0500 s built-in listening SIP port, used for registration of SIP clients and session establishments. It is applicable only if Enable Registrar / Proxy (above) check-box has been set. REGISTER Authenticate Required Check-box (Yes/No) REGISTER Authenticate Required is a checkbox that determines the authentication of the managed users in thexv0500. Managed users are users that are provisioned in the system. If the box is checked, non-managed users are not allowed to register with the system. Authentication Realm String Authentication realm of XV0500 built-in Registrar for REGSITER digest challenge, any string can be used. SIP Users Add Users Show Users NAT Traversal MCU is behind NAT MCU Public IP / Domain Name Check-box (Yes/No) IP address Used to add new users to the system. This function is applicable only when Enable Registrar Proxy and REGISTER Authenticate Required check-boxes have been checked. For more details, please refer to AddUsers below. Used to display the system s users. This function is applicable only when Enable Registrar / Proxy check-box has been set. For more details, please refer to Show Users below. States whether or not the MCU is behind a NAT. SIP public IP address or domain name, used for near-end NAT traversal. NAT Traversal is not applicable for sessions created directly to the MCU-CS SIP interface (not via the built-in SIP proxy.) External Registrar Parameter Values Description Use External Registrar Check-box (Yes/No) If an external registrar is configured, MCU registers access numbers and conference rooms to the external registrar (which can be your IP-PBX).

13 XV0500 Video MCU User's Guide Page 13 of 30 Parameter Values Description Registrar IP/ Domain Name IP address The external registrar IP address or domain name Registrar Port Port The external registrar SIP port Use REGISTER Authentication Check-box (Yes/No) Indicates whether the registration requires authentication. Authentication Realm String The Authentication realm of the External Registrar. Must be the value sent in 401 response to REGISTER messages (Authentication is supported for REGISTER only). Outbound Proxy Parameter Values Description Use Outbound Proxy Server Check-box (Yes/No) States whether an outbound proxy server is used. Outbound Proxy Server IP Outbound ProxyServer Port IP address Port The Outbound proxy server IP address. The Outbound proxy server port AddUsers To add a new SIP user to the MCU-CS built-in Registrar, the Enable Registrar Proxy and REGISTER Authenticate Required check-boxes must be enabled. If these parameters are not enabled, enable them and click on Save shall restart and the changes shall be applied., before moving forward. The system To add a new SIP user: 1. Click the Add Users button, the following window appears: Figure 0-1: Adding SIP User 2. Enter the Username and the Password of the SIP User 3. Click on to confirm the action. A new user has been added to the system.

14 XV0500 Video MCU User's Guide Page 14 of 30 Show Users You can view the MCU s SIP users. To view the users: Click the Show Users button. The following window is displayed: Figure 0-2: Show Users Window The columns on this screen can be sorted in ascending or descending order by clicking on any of the column headers. Filtering the Displayed List The user is enabled to filter the displayed list, using the toolbar at the top of the table: Filtering criteria are as follows: Username. Type a full Username or a partial string from it. SIP URI. Type a full SIP URI or a partial string of it. Status. Choose Any, Registered and NON-Registered options, to see all the users, registered or nonregistered users accordingly, using the drop-down menu. Pressing on Refresh resets the filter and the original list re-appears on the screen. Managed Users Managed Users are users that are provisioned in the system. Non-Managed Users are users which are not provisioned in the system. Non-Managed users are allowed to register to use the system only if the REGIS- TER Authentication Required parameter is not set. Operations To delete a user click on. A dialog-box pop-up for user s confirmation.

15 XV0500 Video MCU User's Guide Page 15 of 30 To modify a user s password: 1. Click on the following window opens: 2. Enter the new password. 3. Click on the Save button. Access Numbers (SYSTEM SETTINGS / ACCESS NUMBERS) There are two ways to join a conference on the XV0500 Video MCU: a) create a SIP call to one of the access numbers pre-configured in the MCU. The caller will be prompted to enter a conference number and then, optionally, the PIN number. b) create a SIP call to a number assigned for particular conference. The caller will be optionally prompted to enter their PIN number. Define a list of access numbers on this page: It is possible to configure the MCU to register a particular Access Number as a SIP endpoint on the SIP server that is configured on the SIP CONFIGURATION page. NOTE: A Video Quality parameter is set for each access number. This parameter defines the maximum video resolution of the video stream to be sent to a participant who has joined a conference by dialing that specific access number.

16 XV0500 Video MCU User's Guide Page 16 of 30 For example, if you set Video Quality as Normal (CIF) for a specific access number and the video conference video quality is defined as HD (720p), then all users who access the video conference via the access number will be limited to CIF resolution. Date/Time Settings (SYSTEM SETTINGS / DATE & TIME) 1. Select the current Date. 2. Select the current Time. 3. Select the relevant Timezone. 4. To automatically adjust the time for daylight savings time, select Automatically adjust clock for daylight savings time. 5. Define one or more NTP servers in the NTP list if you want the device to automatically update its clock. 6. Click Save.

17 XV0500 Video MCU User's Guide Page 17 of 30 Maintenance (SYSTEM SETTINGS / MAINTENACE) The following maintenance actions can be performed: View System Status Provides the status of system components, and general system information including CPU usage, free, and total memory. Restart the Application The software application restarts and all ongoing sessions are dropped. Hardware Reset Reboots hardware. This process is a longer process, taking around 3 minutes. It is recommended to logout and re-log into the system after a Hardware Reset. MCU Shutdown Enables graceful system shut-down. When shut-down, the server will completely power off Start Diagnostic Trace System events are collected during a specified interval and saved, creating a trace file for advanced diagnostics. Click on Start Diagnostic Trace in order to start the trace recording. 1. Enter the interval for information collection in the text-box. The allowed range is between 0 to 300 seconds. The system creates a package with the system configuration, log files in debug level and IP trace of all the system network interfaces for the duration of the diagnostic trace, If 0 is entered, the system will create a package with system configuration and logs only. 2. A diagnostic file (zip file) is created. Click Save Diagnostic Trace to save the file.

18 XV0500 Video MCU User's Guide Page 18 of After saving the file, Delete Diagnostic Trace, appears on the main Maintenance screen, allowing the user to delete the file. Only one trace file is allowed. To provide a new trace file, the existing file must be deleted. Software Upgrade (SYSTEM SETTINGS / UPGRADE) 1. In the URL text-box, type the MCU s upgrade server s address: In the Version text-box, enter the version number to be downloaded 3. After the upgrade is completed, the system must reboot. For an automatic reboot, select Reboot. Otherwise, after the upgrade s completion, the system shall reboot manually. 4. Click Download. After the software download is completed, the Start the Upgrade button is displayed: 5. Click Start the Upgrade. The upgrade starts. 6. If you have selected the Reboot check-box then the system will reboot automatically. If not, then click the Reboot button which appears after the upgrade is complete:

19 XV0500 Video MCU User's Guide Page 19 of 30 Conference Management Once the system parameters have been defined, a user can set up a conference. Click CONFERENCES on the menu bar. The list of the currently running conferences will be displayed: Add/Remove a Conference (CONFERENCES/ CONFERENCE SETTINGS) Select the CONFERENCE SETTINGS option in the vertical menu. A list of the currently configured conferences will be displayed:

20 XV0500 Video MCU User's Guide Page 20 of 30 Add, remove and edit conferences on this page. Click the Create a new conference icon in order to configure a new conference. Define the conference parameters: After entering the parameters, click to save the input. Parameter Values Description Conference name String The nickname of the conference Media type Multimedia/Voice Only The type of conference to be defined Video Quality Normal/High/HD The video quality Bandwidth Allocation Video Layout Type High/Medium/Low Equal Layout/Dominant Based The maximum bandwidth that will be used for sending the media stream to a participant The type of video conference layout

21 XV0500 Video MCU User's Guide Page 21 of 30 Parameter Values Description Max Shown Participants Number Up to 16, for equal based layouts; up to 8 for dominant based. Meeting room number Number The number of the meeting room PIN Required? Yes/No Is PIN required? Register? Yes/No Does the meeting room number register to the SIP proxy? Authenticate? Yes/No Is authentication needed? Username String If authentication needed, a username needs to be entered. Password String If authentication needed, password needs to be entered. Participant PIN Number The participant PIN for joining the conference Leader PIN Number The leader PIN for joining the conference Leader required Yes/No Leader required to open conference VIP participants List of numbers Participants phone numbers, or SIP URLs, which can join the conference without conference codes. The user can choose the following video qualities: Normal: CIF (352X288) High: VGA (640x480) HD: (1280x720) Conference Roles A conference participant may be defined as a leader or a regular participant. The conference will be started only if the leader joins the conference. The leader can login to the MCU Web interface with the conference number as the username and the conference leader PIN as the password, and manage the conference through the leader dashboard. Content Sharing SIP clients may originate content sharing at any time during a conference session. In this case the conference layout is modified to one large image, which contains the content. When the presentation is finalized, the system returns to the original layout. Note: Currently, content sharing works only with AVer Room system. To start the content sharing, the user should press the Present button on AVer s remote control or share his screen using AVerScreenShare software.

22 XV0500 Video MCU User's Guide Page 22 of 30 MCU Monitoring In order to get monitoring information for the conference, click on Conference and choose Summary. The following screen appears, listing all current ongoing conferences in the system: For more details about each conference, click on participants will be displayed:. Detailed information about the conference Conference Leader Dashboard Operations The Leader Dashboard provides the following capabilities: Inviting participants to conference Modifying conference parameters Disconnecting participants from a conference Make a participant visible/invisible Mute/Unmute all participants View conference statistics The leader logs in to the system via the regular login screen, using the conference number as the user name and the leader pin number as the password.

23 XV0500 Video MCU User's Guide Page 23 of 30 Main Screen On the main screen of the Leader Dashboard the meeting information, conference participants list, and the parameters for each participant are displayed. The icons displayed on the Leader Dashboard are as follows: Dominant participant Participant (not Dominant) Call statistics (Error! Reference source not found.) Dominant,voice enabled Participant, voice enabled Participant,voice muted Video only conference Visible, dominant participant Visible participant Invisible participant Voice only participant Remove participant Call statistics information, appears upon clicking on :

24 XV0500 Video MCU User's Guide Page 24 of 30 Inviting Participants 1. Click. The Invite Participants window opens: 2. Enter one of the following: A PBX extension. It is possible only if there is a SIP trunk between the PBX and MCU-CS (ref. Methods to Call the MCU ) name@<ip_address>. 3. Click to add more participants, and then click Invite. 4. Click to cancel the invitation. Modifying Conference Layout Mode To set the conference layout mode, click the Layout tab on the main leader dashboard. The following screen opens, showing the current and the possible layouts:

25 XV0500 Video MCU User's Guide Page 25 of 30 One of two layouts can be chosen: Dominant* based: The dominant speaker s image is larger than the other participants images. Equal Presence: All the images are displayed equally. * The dominant speaker is automatically defined by energetic voice detection. The red border shows the chosen layout. Click Apply Chosen Layout to Conference to select a layout. Show Statistics To view the conference statistics details, click the Show Statistics button on the left side of the leader dashboard screen: Use the horizontal scroll bar to view all the participants information. Set the Auto Refresh check-box to update the displayed information automatically. The information is updated every 5 seconds. The rows in the statistics table above can be set or reset by clicking on the Rows Settings button:

26 XV0500 Video MCU User's Guide Page 26 of 30 Click on Restore Default to restore the original rows settings.

27 XV0500 Video MCU User's Guide Page 27 of 30 Appendix A: How to change MCU-DSP IP settings Changing the IP address is performed via serial connection (i.e. HyperTerminal in Windows or Minicom in Linux). Note! The MCU-DSP card has built-in RS-232/USB adapter. When the MCU-DSP card is connected for the first time to a PC by the USB cable, the system recognizes a new USB device and the user needs to install a driver for it. The USB device is called CP2103 (made by Silicon Labs) and its driver can be found on the Silicon Labs' Web site: Step 1: Configure your PC COM port as follows: Bits per second: Data bits: 8 Parity: None Stop bits: 1 Flow control: None Step 2: To change the board s IP address, type ppc_ip_config For example: ppc_ip_config Step 3: Type board_reset Step 4: Type board_info to show the board s information:

28 XV0500 Video MCU User's Guide Page 28 of 30 Appendix B: How to obtain/configure IP address by using a keyboard and a display monitor Connect a keyboard and a display monitor. Login to system as follows: User name: root Password: akuo-kfo Note: The default system keyboard configuration is U.S. When entering the password the - (dash/hyphen) key is to the right of the 0 (zero) key, no matter which keyboard layout is being used. a. How to get IP address(es)received from DHCP server To see the IP addresses of the eth0 and eth1 interfaces use the command: ifconfig -a A block of data similar to the following will appear: # ifconfig -a eth0 Link encap:ethernethwaddr 38:60:77:21:11:D9 inet addr: Bcast: Mask: UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets: errors:0 dropped:0 overruns:0 frame:0 TX packets: errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes: (314.5 MiB) TX bytes: (87.6 MiB) Interrupt:50 Memory:fe fe eth1 Link encap:ethernethwaddr 38:60:77:21:11:DA inet addr: Bcast: Mask: UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets: errors:0 dropped:0 overruns:0 frame:0 TX packets: errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:2000 RX bytes: (966.6 MiB) TX bytes: (3.4 GiB) Interrupt:177 Memory:fe fe In this example the eth0 interface received IP address The eth1 interface has IP address b. How to configure a static IP address(es) Insert the required variables into /etc/sysconfig/network-scripts/ifcfg-eth0 : cat> /etc/sysconfig/network-scripts/ifcfg-eth0 <<EOF DEVICE=eth0 BOOTPROTO=static IPADDR=

29 XV0500 Video MCU User's Guide Page 29 of 30 NETMASK= ONBOOT=yes TYPE=Ethernet EOF To define the eth1 interface, then: cat> /etc/sysconfig/network-scripts/ifcfg-eth1 <<EOF DEVICE=eth1 BOOTPROTO=static IPADDR= NETMASK= ONBOOT=yes TYPE=Ethernet EOF Define the default gateway in the /etc/sysconfig/network file: GATEWAY= Define the DNS server in the /etc/resolv.conf file: nameserver Note: Correct network parameters settings are extremely important for normal IP-PBX functionality. Always make sure that the 'localhost' is defined in the /etc/hosts file: localhost.localdomainlocalhost

30 XV0500 Video MCU User's Guide Page 30 of 30 Appendix C: XV0500 video MCU endpoint interoperability chart For the current list of interoperable endpoints please refer to the Xorcom Web site.