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optiPoint 410/420 S FAQ

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◄ FAQ | Deutschland  optiPoint 410/420 S FAQ

The optiPoint 410/420 S FAQ provides answers to frequently asked question about the optiPoint SIP phone family optiPoint 410/420 S, structured into different topics.

Telephone administration

Why there are several SIP port fields in the local menu and the administration WBM?

In the administration section (local menue: 02=System > 07=SIP addresses or WBM admin you see two kind of SIP port settings.
File:OptiPoint 410420 S V4 1 SIP Port Settings.jpg
SIP port settings sample on WBM
If you provide port numbers in the Port fields subsequent to the address fiels, then ...
  • these values will specify the destination port numbers for the SIP messages. This values need to be matched with the port settings on the server/registrar or
  • the values are set equal to zero, then the default SIP port numbers will be used - or if DNS-SRV is used, the port numbers provided in DNS-SRV responses will apply
  • you may specify different SIP ports for registrar and server.
The field SIP port below denotes the sending port used on the phone side.
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