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E7-00 and SIP over Internal Network (WiFi)

Contributor

Posts: 9

E7-00 and SIP over Internal Network (WiFi)

06-Jul-2011 07:58 PM

Hey all, maybe someone here knows something more about it.

I want to use an Sip account in our internal Network via WiFi. Our Telephone-Central (Panasonic TDE-100) supports connections to it via Sip (internal SIP-Server).

I can connect with my User-Account and it says connected.

I can make calls into the internal Telephone-Network

Now the Problem:

I cannot be called internal. The TDE is sending an INVITE to the E7 and the E7 declines it when a call is coming in.

I have also an external SIP Account with another Provider. That one works as it should.

Our Technical assistance for the TDE has no idea, neither the their technical guys from Panasonic.