Nortel Networks NN43001-121 manual SIP CTI services does not come up, SIP Dialog not established

SIP CTI services does not come up 217

Symptom:

After SIP CTI services are activated, you are unable to log on to the Signaling Server through Element Manager. When rebooting, some HTTP tasks are not up.

Possible cause:

Insufficient memory.

Solution:

Check the memory and upgrade the memory to 1 gigabyte (GB), if required. The Signaling Server (running Converged Office) requires 1 GB of memory. Release 4.5 only required 512 megabytes (MB).

SIP CTI services does not come up

SIP Dialog not established

Problem:

Phone integration is enabled in Office Communicator and a SIP dialog for TR/87 was attempted and not established successfully.

Symptom:

When logged into the Office Communicator, the phone icon is not displayed.

Possible cause 1:

The Server URI or the Line URI is incorrect.

Possible cause 2:

Use Microsoft’s nslookup tool to verify the DNS configuration on the Signaling Server and the Host Name resolution for each IP address. For more information on the nslookup tool, see Figure 83 "nslookup tool" (page 218), or visit the Microsoft Web site at http://support.microsoft.com/kb/200525.

Nortel Communication Server 1000

Nortel Converged Office Fundamentals — Microsoft Office Communications Server 2007

NN43001-121 01.03 Standard

Release 5.0 30 April 2008

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