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Page 24

Software Communication System v1.0

2007 Nortel

Disaster recovery

DNS SRV records

DNS Service (DNS SRV) records allow a phone on your network to query the DNS server for the host that is responsible for SIP 
signaling. The DNS server returns the fully qualified name of the SCS server. Use of DNS SRV records is the preferred choice for 
enterprise deployment, as it allows SIP users to compile an address without knowing the server name; the domain name is sufficient. 
Examples of SIP addresses for users of lines are as follows:

• sip:[email protected]
• sip:[email protected]

By default, SCS uses a fully qualified host name without using DNS SRV. If you choose to install DNS on the same server as the SCS, 
the following steps will be taken care of be default. 
To ensure that DNS SRV is running on your system, perform the following steps:

1

To verify DNS name resolution, type the following at a command prompt:

ping scs.yourdomain.com

2

Press 

Enter

.

3

If the ping command replies and display statistics, run a DNS lookup utility test by typing the following at a command prompt:

dig -t A scs.yourdomain.com

4

Press 

Enter

.

5

If the lookup returns an answer, run an SRV test by typing the following at a command prompt:

dig -t SRV _sip._tcp.yourdomain.com

6

Press 

Enter

.

7

If the lookup returns an answer, run another SRV test by typing the following at a command prompt:

dig -t SRV _sip._udp.yourdomain.com

8

Press 

Enter

.

9

IF the lookup returns an answer, run a final SRV test by typing the following at a command prompt:

dig -t SRV _sips._tcp.yourdomain.com

10

Press 

Enter

.

11

If all results are correct, your DNS server is running properly, as are the SRV records. If any tests fail, contact your DNS 
administrator, or see

Bind

 documentation for Linux for 

Server 

documentation for Microsoft to properly set up your DNS.

Содержание SCS

Страница 1: ...Nortel Software Communication System Installation Release 1 0 Document Number NN47931 300 Issue Number 01 02 ...

Страница 2: ...CT STRICT LIABILITY OR TORT INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE Crypto Accelerator from Pure TLS is a Java cryptographic provider written by Eric Rescorla ekr rtfm com and licensed by Clay more Systems Inc Redistribution and use in source and binary forms with or without modification are permitted pr...

Страница 3: ...s are BSD style Open Source licenses In case of any license issues related to OpenSSL please contact openssl core openssl org OpenSSL License Copyright c 1998 2003 The OpenSSL Project All rights reserved Redistribution and use in source and binary forms with or without modification are permitted provided that the following conditions are met 1 Redistributions in binasry form must reproduce the abo...

Страница 4: ...ion 3 All advertising materials mentioning features or use of this software must display the following acknowledgement This product includes cryptographic software written by Eric Young eay cryptsoft com The word cryptographic can be left out if the routines from the library being used are not cryptographic related 4 If you include any Windows specific code or a derivative thereof from the apps di...

Страница 5: ...Page V Software Communication System v1 0 2007 Nortel ...

Страница 6: ...Page VI Software Communication System v1 0 2007 Nortel ...

Страница 7: ...umentation and c make a single copy of the Software and associated Documentation provided by Nortel or an authorized Nortel reseller solely for backup purposes End User agrees to maintain an accurate record of the location of the Software and any back up copy The Software and Documentation are licensed not sold Nortel and its suppliers retain all right title and interest in and to the Software and...

Страница 8: ...l pay all costs and damages that a court finally awards or that are agreed to in settlement of the claim by Nortel provided that End User a promptly notifies Nortel in writing of the claim and b allows Nortel to control the defense and any related settlement negotiations and at Nortel s request cooperates with Nortel in conjunction therewith In the event such a claim is made or appears likely to b...

Страница 9: ...ent All Software and Documentation provided under this License is commercial computer software and commercial computer software documentation respectively and in the event Software is licensed for or on behalf of the United States Government the respective rights to the Software and associated Documentation are governed by Nortel standard commercial license in accordance with U S Federal Regulatio...

Страница 10: ... Restrictions Section 3 Limited Warranty Section 5 Limitation of Liability Warranty Section 6 Government End Users Section 8 Confidentiality Section 10 Export and Re export and Section 13 Choice of Laws 10 Export and Re export If End User is authorized by this License to export the Software or Documentation End User agrees not to export either directly or indirectly the Software or Documentation o...

Страница 11: ...rements 2 Establish server addresses 3 Common configurations 4 Prepare installation worksheets 6 Verify browser requirements 7 Installing a new Software Communication System 8 No HA System installation 9 HA System installation 13 Disaster recovery 23 Verifying proper configuration of a new system 23 Appendix A Command line access 25 Appendix B Advanced DNS 26 ...

Страница 12: ...Page 2 Software Communication System v1 0 2007 Nortel ...

Страница 13: ...he following conventions to present information Support services Contacting Nortel For response from Nortel Support visit the Support section of www nortel com To contact Nortel Support by phone call toll free 1 800 4Nortel 1 800 466 7835 Format Means Courier font Type the command or value as shown Enter Press the keyboard Enter key to run the command Spacebar Press the keyboard Spacebar to run th...

Страница 14: ...nts Intel Core 2 Duo E6400 2 13 GHz 1 GB DDR2 RAM 667 MHz to support up to 250 users or 2 GB DDR2 RAM 667 MHz to support up to 500 users 80 GB hard disk For HA setup two servers are required Note The SCS runs on many different hardware variants but Nortel supports only the above configuration Establish server addresses This preparatory task is critical to the success of your installation due to th...

Страница 15: ...iguration A DNS Y NTP Y DHCP Y Plug and Play setup Note For Plug and Play configuration you only enter the MAC address of the phone and configure a user Phones will configure themselves using SCS Configuration B DNS Y NTP Y DHCP N SCS handles name resolution and SRV queries Phones and soft client PCs should use SCS as DNS server Requires DHCP server or static IP address configuration If DHCP does ...

Страница 16: ... If SRV records cannot be configured use the Fully Qualified Domain Name FQDN for the SIP domain during system installation Phones will configure themselves using SCS Configuration E DNS N NTP N DHCP N Same as configuration C without NTP Configuration F DNS Y NTP N DHCP N Same as configuration B without NTP Configuration G DNS N NTP N DHCP Y Same as configuration D without NTP ...

Страница 17: ...lue The password set for root user Time Zone Daylight Saving Time Parameter Value If you select the Statically set IP address supply these values IP Address As set in your DNS Subnet Mask 255 255 255 0 Default Gateway Address Supply the IP address of a default IP router Hostname Supply the fully qualified host name Primary DNS IP address of your host Secondary DNS IP address of your host Tertiary ...

Страница 18: ...ozilla Firefox 1 0 or after Netscape version 7 0 or after For Netscape 7 0 select Edit Preferences Advanced Cache and then under Compare the page in the cache to the page on the network choose Every time I view the page Internet Explorer version 6 0 or after For Internet Explorer 6 0 select Tools Internet Options On the Advanced tab under Temporary Internet files click Settings Under the Check for...

Страница 19: ...Verify browser requirements 2007 Nortel Software Communication System v1 0 Page 7 ...

Страница 20: ...the following steps Before you configure SCS you are prompted to log on 1 Log on with the following credentials and press Enter after each entry Username root Password setup After you log on the setup wizard automatically starts 2 On the dialog box that appears press Enter to start SCS configuration 3 To choose whether your system runs in High Availability HA mode use Tab or your mouse to navigate...

Страница 21: ...CP server with 12 hour lease time that is configured to deliver standard IP information as well as TFTP and NTP servers both servers are assigned to the SCS WARNING Enabling DHCP on a network with an existing DHCP server can cause issues with obtaining and using IP addresses Contact your network administrator if issues arise DNS Domain Name Server enables the SCS to provide DNS information to netw...

Страница 22: ... in which you reside and then press Enter If you select the time zone in this step skip to step 6 If you select the continent proceed to step 5 The following time zone codes are represented EST5EDT Eastern Time Zone CST6CDT Central Time Zone MST7MDT Mountain Time Zone MST Mountain Time Zone Arizona PST8PDT Pacific Time Zone 5 Select the time zone in which you reside and then press Enter ...

Страница 23: ...clude the host name 7 Enter the parameters required to build your TLS SSL certificate which identifies the server After you enter all information press Tab to highlight OK or use your mouse and press Enter 8 Set the system clock date and time use Tab or your mouse to navigate among lines and the up and down arrows keys to change the numeric values After you enter all information press Tab to highl...

Страница 24: ...o automatically configure SCS after which you can reboot or return to a command prompt 9 If you are ready to use SCS you must reboot the system Use Tab or your mouse to highlight Reboot and then press Enter 10 After rebooting you can enter your SCS domain name for example scs business com into a Web browser and start to configure your PBX ...

Страница 25: ...ear any or all of the selection options 1 To select or clear the following options use Tab or your mouse to navigate among lines and press Enter to select a highlighted option After you enter all information press Tab to highlight OK or use your mouse and press Enter DHCP Dynamic Host Configuration Protocol provides a full DHCP server with 12 hour lease time that is configured to deliver standard ...

Страница 26: ...nter all information press Tab to highlight OK or use your mouse and press Enter 4 Enter a new password for the root logon use Tab or your mouse to navigate among lines After you enter all information press Tab to highlight OK or use your mouse and press Enter 5 Select the time zone or continent in which you reside and then press Enter If you select the time zone in this step skip to step 7 If you...

Страница 27: ... Mountain Time Zone Arizona PST8PDT Pacific Time Zone 6 Select the time zone in which you reside and then press Enter 7 Enter your SIP domain name use Tab to highlight OK or use your mouse and press Enter 8 Enter the parameters required to build your TLS SSL certificate which identifies the server After you enter all information press ...

Страница 28: ... numeric values After you enter all information press Tab to highlight OK or use your mouse and press Enter The information you entered is used to automatically configure SCS after which you can reboot or return to a command prompt 10 If you are ready to use SCS you must reboot the system Use Tab or your mouse to highlight Reboot and then press Enter 11 After rebooting you can enter your SCS domai...

Страница 29: ...the Slave System with the following credentials and press Enter after each entry Username root Password setup After you log on the setup wizard automatically starts 2 On the dialog box that appears press Enter to start SCS configuration 3 Select HA System in the dialog box use Tab or your mouse to navigate among options When you highlight the HA System option press Enter 4 Begin configuration of t...

Страница 30: ...ptions use Tab or your mouse to navigate among lines and press Enter to select a highlighted option After you enter all information press Tab to highlight OK or use your mouse and press Enter 6 In the Network Settings dialog box enter the requested information use Tab or your mouse to navigate among lines After you enter all information press Tab to highlight OK or use your mouse and press Enter 7...

Страница 31: ...After you enter all information press Tab to highlight OK or use your mouse and press Enter 9 Select the time zone or continent in which you reside and then press Enter If you select the time zone in this step skip to step 11 If you select the continent proceed to step 10 The following time zone codes are represented EST5EDT Eastern Time Zone CST6CDT Central Time Zone MST7MDT Mountain Time Zone MS...

Страница 32: ... and then press Enter 11 Enter your SIP domain name use Tab to highlight OK or use your mouse and press Enter 12 Set the system clock date and time use Tab or your mouse to navigate among lines and the up and down arrows keys to change the numeric values After you enter all information press Tab to highlight OK or use your mouse and press Enter ...

Страница 33: ... but replace the example domain name with your domain name usr bin ssl cert install cert sh remote scs2 business com Press Enter You are prompted to connect to the Slave System 15 Type YES to connect and press Enter You are prompted to enter the root password on the Slave System 16 Enter the root password and press Enter 17 The certificate will copy from the Master to the Slave and will notify you...

Страница 34: ...em certificate installation Setup is complete 19 If you are ready to use SCS you must reboot the system Use Tab or your mouse to highlight Reboot and then press Enter 20 After rebooting you can enter your SCS domain name for example scs business com into a Web browser and start to configure your PBX ...

Страница 35: ... starts 3 Perform the steps in Installing a new Software Communication System on page 8 to install and configure SCS Verifying proper configuration of a new system After performing an initial SCS installation on a system in a lab environment or in a production environment you may want to build a new system or move from a lab system to a production system In any scenario ensure you verify that your...

Страница 36: ...system perform the following steps 1 To verify DNS name resolution type the following at a command prompt ping scs yourdomain com 2 Press Enter 3 If the ping command replies and display statistics run a DNS lookup utility test by typing the following at a command prompt dig t A scs yourdomain com 4 Press Enter 5 If the lookup returns an answer run an SRV test by typing the following at a command p...

Страница 37: ...r if it is not already on 3 When the login appears log on with the following credentials and press Enter after each entry Username root Password use the password you defined during installation A command line displays Remote Console Access For remote access you will need to use an SSH client Putty a free SSH client is available at http www chiark greenend org uk sgtatham putty download html 1 Down...

Страница 38: ...x B Advanced DNS Appendix B Advanced DNS Represented below is a DNS configuration for HA setup This setup applies if you are use a DNS server that was not on the SCS Master scs1 example com with IP address 10 1 1 50 Slave scs2 example com with IP address 10 1 2 50 ...

Страница 39: ...Verifying proper configuration of a new system 2007 Nortel Software Communication System v1 0 Page 27 ...

Страница 40: ...Software Communication System Release 1 0 ...

Страница 41: ......

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