Connectivity Issues - Nortel 1000 Administration Manual

Connectivity Issues

Note
SSLV2 sessions do not work with a multilevel certificate chain.
If intermediate (multilevel) certificates are part of your secure certificate
upload, you need to make sure that the intermediate certificates are part
of the certificate file you are uploading. SSLV2 does not support certificate
chaining. Any certificate that has more than one level must include all
intermediate certificates, or the system may become unusable. For
information about how to add intermediate certificates to the uploaded
certificate file, see "Generating a Secure Certificate," page
For many connectivity issues, there is a possibility that the network is not
allowing traffic to pass. Perhaps an Access Control List (ACL) or
something like that is blocking certain ports. Refer to the Pre-Installation
Checklist for a full list of ports required by the Application Gateway.
The Application Gateway is not communicating with IP Phone 2007.
Verify that the port used to communicate between the Application
Gateway and the phones is set up as described in
Communication between the Phones and Application Gateway," page
When the extended services button is pressed, the phone screen flashes
and nothing else happens.
Verify that the XAS server information is properly programmed into the
phone. Verify that the ports listed in the Pre-Installation Checklist are open.
The IP phones are receiving text, but no audio, from the Application
Gateway.
Perhaps ACLs on the central router are blocking all traffic from one VLAN
to another. Verify that the ports listed in the Pre-Installation Checklist are
open.
No IP phones are listed in the License Monitor.
IP phones will not appear in the License Monitor if any of the following
are true:
The Application Gateway has not successfully synchronized with the
•
call server to create an IP/DN map. See
Call Server Fails," page
"Synchronization with the
146.
Application Gateway Administration Guide
Chapter 12 Troubleshooting

Connectivity Issues

14.
"Enabling
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