optiPoint 410/420 S FAQ
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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
- In the administration section (local menue:
02=System
>07=SIP addresses
or WBM admin you see two kind of SIP port settings.
- 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
- 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.