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Aastra - MiVoice Office 400 and MiVoice MX-One / Phone unreachable after a transfer

« on: June 30, 2017, 05:23:01 AM »

Hi everybody,

We have a problem with our phones :

- When a call is received from outside, an operator answers the call and attempts to transfer the call to an internal number. Sometimes, this transfer does not work, the recipient phone is unreachable. After that the phone does not work for 5 or 10 minutes (impossible to call this phone from anywhere). Or, if the unreachable phone makes a new call, the phone operate again just after. I precise everything was well before, this is a very strange issue and we cannot reproduce it all times.

Details if I am not clear :

0. Everything is OK.
1. 014844241XX is calling my company with the number 014844241YY.
2. 4 internal numbers are ringing (200 to 204) and the number 202 answers.
3. The 202 transfers this call to the internal number 205, but this is impossible because 205 seems unreachable (nothing happens).
4a. After that, the number 205 is unreachable between 5 or 10 minutes.
4b. After that, the number 205 is unreachable but if the number 205 tries to make a new call, it will work again.

We had a look to the network and we did not find any relevant information (errors, drops, etc), we tried in a busy hour and in a quiet hour : this is the same. Everything else with the network seems OK.

With the Wireshark capture, we see some ICMP "242 Destination unreachable (port unreachable)" and TCP Retransmission or DUP ACK, I am looking for something with that.


Do you have any ideas about that ?


Phone :
Platform : 6865i
Firmware Version   4.2.0.2023
Firmware Release Code   SIP
Boot Version   Boot2 1.0.0.D Jun 16 2016 01:28
Server MITEL MiVoice Office 400


Thank you and have a good day !

Cédric

2

Aastra - MiVoice Office 400 and MiVoice MX-One / MITEL 6865i problem : Cfg Svr Failure

« on: March 03, 2017, 09:43:23 AM »

Hi everyone,

First of all, sorry if my English is bad.


We have a problem on a MITEL phone, for example when we tried to push the button “Call lists key” for example, the phone displayed “loading” then “cannot display”, this is the same problem after a reboot. The phone have more than 20 missed calls and it is possible to make a call.

Phone :
Platform : 6865i
Firmware Version   4.2.0.2023
Firmware Release Code   SIP
Boot Version   Boot2 1.0.0.D Jun 16 2016 01:28
Server MITEL MiVoice Office 400



See below the error “Cfg Svr Failure” :

 
After a phone reboot, the same thing :



I was wondering if the problem could be this one, but I don’t know how to resolve it at the moment :
http://micc.mitel.com/kb/KnowledgebaseArticle51305.aspx

I found no other information on the internet or the documentation.


I tried to do a port mirroring and I made a Wireshark capture, when I was trying to do the action on the phone (push the button).

We can see an unauthorized action when I push the button on the phone, this is probably associated with the problem, I am still looking for why :




Full file in attachment.

I tried to change the “configuration server” config on the phone, HTTPS, HTTP, but this is still the same problem.

I checked the network config and this is OK. In addition, everything works well since the beginning of February with the same config (phone and network). We have more than 30 other phones and it’s working well.


What do you think about that ? Do you have an idea ?


Thank you !

Cédric