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Error Register FritzBox on 3CX

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darkthunderbird

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Dear Community,

I want to use a Fritz Box (192.168.10.4) as an Extension for my 3CX-PBX (192.168.10.30). Behind the Fritz Box there 5 DECT-Phones, each registering with as a single Extension in the 3CX Phone System.

Now I find the following error in the log. Can anyone help me?
19.05.2017 20:56:33 - [CM102001]: Authentication failed for AuthFail Recv Req REGISTER from 192.168.10.4:5060 tid=3436BB902142106D [email protected]:
REGISTER sip:192.168.10.30 SIP/2.0
Via: SIP/2.0/UDP 192.168.10.4:5060;rport=5060;branch=z9hG4bK3436BB902142106D
Max-Forwards: 70
To: <sip:[email protected]>
From: <sip:[email protected]>;tag=2184467690
Call-ID: [email protected]
CSeq: 850 REGISTER
Accept: application/sdp, multipart/mixed
Accept-Encoding: identity
Allow: INVITE, ACK, OPTIONS, CANCEL, BYE, UPDATE, PRACK, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, PUBLISH
Proxy-Authorization: Digest username="45",realm="3CXPhoneSystem",nonce="414d535c0f2fca8c30:cd0eaaecdd14e5579d6fb07574e50815",uri="sip:192.168.10.30",response="02e005bec868ba33f8ef3e541d5b0023",algorithm=MD5
Supported: 100rel, replaces
User-Agent: AVM FRITZ!Box 7430 146.06.83 (Feb 24 2017)
Allow-Events: telephone-event, refer, reg
Content-Length: 0

; Reason: License limit, processing or network error
 
darkthunderbird said:
Dear Community,

I want to use a Fritz Box (192.168.10.4) as an Extension for my 3CX-PBX (192.168.10.30). Behind the Fritz Box there 5 DECT-Phones, each registering with as a single Extension in the 3CX Phone System.

Now I find the following error in the log. Can anyone help me?
19.05.2017 20:56:33 - [CM102001]: Authentication failed for AuthFail Recv Req REGISTER from 192.168.10.4:5060 tid=3436BB902142106D [email protected]:
REGISTER sip:192.168.10.30 SIP/2.0
Via: SIP/2.0/UDP 192.168.10.4:5060;rport=5060;branch=z9hG4bK3436BB902142106D
Max-Forwards: 70
To: <sip:[email protected]>
From: <sip:[email protected]>;tag=2184467690
Call-ID: [email protected]
CSeq: 850 REGISTER
Accept: application/sdp, multipart/mixed
Accept-Encoding: identity
Allow: INVITE, ACK, OPTIONS, CANCEL, BYE, UPDATE, PRACK, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, PUBLISH
Proxy-Authorization: Digest username="45",realm="3CXPhoneSystem",nonce="414d535c0f2fca8c30:cd0eaaecdd14e5579d6fb07574e50815",uri="sip:192.168.10.30",response="02e005bec868ba33f8ef3e541d5b0023",algorithm=MD5
Supported: 100rel, replaces
User-Agent: AVM FRITZ!Box 7430 146.06.83 (Feb 24 2017)
Allow-Events: telephone-event, refer, reg
Content-Length: 0

; Reason: License limit, processing or network error
Click to expand...

Hi,

If both the FritzBox and the 3CX use the same port (5060), there is a problem.The FB does not only use it as a local port.
Changing the port of the 3CX to some other value could solve the problem. The FB port cannot be changed.
 
Thank you for your comments, but in this case the Fritz Box acts as a Phone and not as a Gateway.
Although I changed the SIP port, nothing changed.

Additionally i've found an other thread with exact the same topic, but I only found it, when googeling on
"Exception: SipMessage::Exception Missing header Contact @ SipMessage.cxx:1393"

https://www.3cx.com/community/threads/avm-fritzbox-3790-as-ata.33445/
Sadly there was no answer, but due to it works there, it will hopefully also work on my site.
 
The issue may be that (I'm assuming) that the Fritzox is also being used as the gateway supporting 3CX. The ATA portion of he FB is probably intended to be used with a provider on the WAN, not on the LAN. Can the ATA portion even be assigned a unique IP in the way 3CX can , on the network? it would need that to be able to communicate to port 5060 of the ATA. Every SIP device on the network must be addressable by a unique IP along with port 5060, or another suitable port.
Never having used a Fritzbox, I'm guessing, but I would think it would be similar to trying to use a combination modem/router, that also had a couple of ATA ports. Those types of devices are provided by ISP's. Granted many are locked, but I do recall Forum members trying to get some working and running into a lot of problems. The Fritzbox may be flexible enough to work. I would contact the manufacturer, or see if they have a forum. I'm certain that other users have attempted to get it to work with various SIP PBX's before, and may have suggestions.
 
In my case the FritzBox can register with the 3CX (tested with V15), using the same FB firmware.
The FritzBox is registered using:
Telephony provider Other provider
Telephone Number for Registration* 45
Internal Telephone Number in the FRITZ!Box* 45

Account Information
User name 45
Password ********
Registar 192.168.10.30

As phone I did not have a DECT telephone, but I used an IP phone for testing.
 
So, with 3 Fritz Boxes and 10 DECT clients over all the error continues. But every thing works as long as the Fritz.Box does not register more than 2 VOIP accounts in the 3CX system... I don't care any more. Thank you all for your comments.
We've got 4 DECT-Phones connected to the Fritz Box, so I will take a second Fritz Box. One Fritz.Box for two DECT-Phones. If we will get more DECT-Phones I think I should buy a professional DECT-Base.
 
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