Polycom 1725-31424-001 manual DNS and the Polycom CX700 IP Phone, Polycom CX700 Phone Querying

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Deploying Polycom CX700 Phone within a Microsoft Office Communications Server 2007 R2 Environment

To enable search option 119 for Windows Server 2003 DHCP server:

1.Open DHCP. (To open DHCP, click Start, point to Settings, click Control Panel, double-click Administrative Tools, and then double-click DHCP.)

2.In the console tree, click the applicable DHCP server.

3.On the Action menu, click Set Predefined Options.

4.In Predefined Options and Values, click Add (Option Class Standard), and then click OK.

5.In Name, type the string DNS Search List.

6.Set Code to 119 and Data Type string (it is not an array), and then click OK.

7.Right-clickScope Options, select Configure Options, and then select 119 DNS Search List.

8.Enter a list of domain suffixes in your organization, delimited by a semicolon (for example, contoso.com;dev.contoso.com;corp.microsoft.com).

9.Click OK.

DNS and the Polycom CX700 IP Phone

The Polycom CX700 phone will process a number of DNS records in order to locate the Microsoft Office Communications Server 2007 R2.

Topics in this section include:

•Polycom CX700 Phone Querying

•Exchange Server 2007 Autodiscover Service

•Polycom CX700 Phone Querying of Exchange Server 2007

Polycom CX700 Phone Querying

The Polycom CX700 phone uses the following DNS domains when querying information in DNS.

•SIP domain = Right side of sign-in address

•SMTP domain = Right side of primary e-mail address

If the query fails, the Polycom CX700 phone tries to look up the same record with DNS suffix(es) appended.

•host.<SIP domain>

•host.<SIP domain>.<DNS suffix>

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Contents Deployment Guide for the Polycom CX700 IP Phone Trademark Information About This Guide Deployment Guide for the Polycom CX700 IP Phone Contents Deployment Guide for the Polycom CX700 IP Phone Page Dhcp Search Options Dhcp and the Polycom CX700 IP PhonePolycom CX700 Phone Querying DNS and the Polycom CX700 IP PhoneExchange Server 2007 Autodiscover Service NTP and the Polycom CX700 IP Phone Polycom CX700 Phone Querying of Exchange ServerNTP Time Provider Server Security Framework Overview Root CA Certificate for the Polycom CX700 Phone Polycom CX700 Phone Certificates Trusted Authorities Cache Vendor Certificate Name Expiry Date Key Length Polycom CX700 Phone on Assumptions and Terminology IntroductionPage Deployment Guide for the Polycom CX700 IP Phone Background \Pool01Data\ClientUpdateStore\DeviceUpdates Page Action Examples / Comments Contoso.com\userAlias instead of just Contoso\userAlias Spnego Polycom CX700 Phone Upgrade Steps Summary Deployment Guide for the Polycom CX700 IP Phone Set Environmental Dependencies Polycom CX700 Phone Upgrade Steps DetailsConfigure Dhcp DNS Configure Certificates Upload certificate chain Use the Automated Method Page Verify Internal and External Download URLs ?xml version=1.0 ? Response Upgrade Polycom CX700 Phones from 1.0.199.123 to Cab File Deployment Guide for the Polycom CX700 IP Phone Upgrade Polycom CX700 Phones from 1.0.522.101 to Phone will reset and go to the calibration screen Page Deployment Guide for the Polycom CX700 IP Phone Troubleshooting the Polycom CX700 Phone Logs Used for Troubleshooting Internal External When to Use Dhcp OptionDeployment Guide Polycom CX700 Configuring Windows Server as an NTP Time Source Net stop w32time && net start w32time Enabling Automatic Certificate Enrollment For Windows Select CN=Configuration,DC=yourDomain,DC=com Deployment Guide Polycom CX700 Confirming the Current Software Version Deployment Guide Polycom CX700