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Common Problems - Siemens optiPoint 410 entry Administrator's Manual

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Troubleshooting

Common problems

Phone Fails to Display Correct time and Date
Phone Can Not Contact Host Names
Poor Speech Quality
Display sticks at "Calling.." whenever call is attempted
240
Ensure that the optiPoint 410/420 family S V6.0 phone's time zone is
correct ! page 223. If the time zone is incorrect and can not be edited
it has been configured by the DHCP server on start-up so check the
configuration of the DHCP server which is supplying the phone's IP ad-
dress.
Check that the phone's Daylight Savings configuration is correct
! page 173.
SNTP Address is correct and can be pinged ! page 206. If the SNTP
Address can not be pinged and is a host name see ! page 240.
Ensure that the SNTP Server the phone is configured to is displaying
the correct time.
Ensure that the "DNS Domain Name" is correctly configured
! page 182.
Ensure that the "Prim DNS IP addr" is correctly configured
! page 207 and can be pinged ! page 206.
Poor speech quality can be the result of an overloaded network. Con-
sider the implementing VLANs ! page 203 and QoS ! page 208.
Ensure that all IP endpoints in your system, including SIP Gateways,
are using compatible Speech Codec settings to avoid Duplex Miss-
match ! page 165.
Ensure that the Room Character is correctly configured for the type of
room the phone is located in (see User Manual, chapter "Room Charac-
ter").
The most likely cause of this problem is that the phone can not contact
the SIP Server. Ensure that the SIP Server is active and can be pinged
by the phone ! page 206.

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