Aastra Telecom 57I CT, 55I, 53I manual Chapter Troubleshooting

Contents

Chapter 9

Troubleshooting

About this chapter	9-1
Troubleshooting	9-2
Troubleshooting Solutions	9-7
Description	9-7
Why does my phone display “Application missing”?	9-7
Why does my phone display the “No Service” message?	9-8
Why does my phone display "Bad Encrypted Config"?	9-8
Why is my phone not receiving the TFTP IP address from the DHCP Server?	9-9
How do I restart the IP phone?	9-10
How do I set the IP phone to factory default?	9-11
How do I erase the phone’s local configuration?	9-12
How to reset a user’s password?	9-13
How do I lock and unlock the phone?	9-14
Appendix A
Configuration Parameters
About this appendix	A-1
Setting Parameters in Configuration Files	A-4
Operational, Basic, and Advanced Parameters	A-5
Simplified IP Phone UI Options Menu	A-5
Network Settings	A-6
Password Settings	A-9
Emergency Dial Plan Settings	A-11
Aastra Web UI Settings	A-12
Configuration Server Settings	A-13
Network Address Translation (NAT) Settings	A-20
HTTPS Client and Server Settings	A-23
UPnP Settings	A-25
Virtual Local Area Network (VLAN) Settings	A-26
Type of Service (ToS)/DSCP Settings	A-30
Time Server Settings	A-31
Time and Date Settings	A-33
SIP Local Dial Plan Settings	A-39

x 41-001160-00, Release 2.1 Rev 04