Appendix, Care, Insert strips – Siemens Gigaset DE380 IP R User Manual
Page 58: Questions and answers, Care insert strips questions and answers, Ur phone, please read the tips on
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Appendix
Appendix
Care
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Wipe the telephone with a damp cloth (do not use solvent) or an antistatic
cloth.
Never use a dry cloth. This can cause static.
Insert strips
Blank insert strips for the memory keys can be found on the Internet at
Questions and answers
If you have any questions about using your phone, visit us at
common problems and possible solutions.
You cannot connect to the router and the phone is assigned a static
IP address.
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Check on the router whether the IP address is already being used by
another device on the LAN or belongs to the block of IP addresses that is
reserved on the router for dynamic address assignment.
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If necessary, change the phone's IP address (
You have made a call via VoIP but cannot hear the other caller.
Your phone is connected to a router with NAT or a firewall.
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Your STUN server (
page 33) or outbound proxy (
page 32) settings
are incomplete or incorrect. Check the settings.
No outbound proxy is entered or the outbound proxy mode is not activated
page 32) and your phone is connected to a router with symmetric NAT
or a blocking firewall.
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Port forwarding is activated on your router, but no permanent IP address
has been assigned to your phone.