[Freeswitch-users] Gigaset auto answer

Nicola von Thadden nico at vthadden.de
Thu Oct 19 23:06:10 UTC 2017


I'm trying to get auto answer working on my Gigaset N510 IP DECT system.

I made the changes to the DECT config (enabled "Call Manager" for the 
extension I want to use_ and tried to call it using the default prefix 

Unlike the other phones I work with, the Gigaset device requires 
authentication for that. Since it is a subscriber to the freeswitch 
system, the system does not have any information to fulfill it:

[ERR] sofia_reg.c:2561 Cannot locate any authentication credentials to 
complete an authentication request for realm '"test"'

The INVITE itself looks as I would expect it to look but the phone 
answers with:

  SIP/2.0 401 Unauthorized
         Via: SIP/2.0/UDP;rport=5060;branch=z9hG4bKK94yXK0rDUcXj
         From: "Nico" <sip:1000 at xxxxx>;tag=6gtHSvy9p62HH
         To: <sip:1012 at xxxxx:5060>;tag=2471884501
         Call-ID: dee1f01e-2fc3-1236-8f91-52542680391a
         CSeq: 113890892 INVITE
         Contact: <sip:1012 at xxxxx:5060>
         WWW-Authenticate: Digest realm="test", 
nonce="d0533fa35f7a53f86112305a818d732", algorithm=MD5, qop="auth"
         User-Agent: N510 IP PRO/
         Content-Length: 0

Does anyone have an idea how I can either get freeswitch to retry with 
authentication or how to get the Gigaset device to accept the call 
without further auth?



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