Author Topic: Mitel IP Phone freezes when dialing out through SIP trunk  (Read 3821 times)

Offline dutch_tuga

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Mitel IP Phone freezes when dialing out through SIP trunk
« on: February 06, 2012, 04:53:30 PM »
Hi all,

we have some big issues when dialing out through a SIP trunk (Broadsoft environment). Whenever the caller dials a wrong number or tries to cancel the call during the call setup, the phone will freeze. The same happens if the number is dialed correctly and you press the cancel button after it rings one time. You will see "Please wait" on the screen. The volume button, for example will still work, if you press a single number (like 1 for example), you will hear a confirmation. After this, the phone will show (Akn) and will only work after this phone has been physical powered down and back up. This has been confirmed on IP 5212, 5224, 5340 and 5360 phones. This is only when we dial out through the SIP trunk. We have on this system also ISDN trunks, and if you dial through this trunk, the problem doesn't happen.

The issues started when we went to version 4.2. Before that we were on version 4.0 SP2 and we had no complaints. The only doubt I have if it has to do with the different releases is because we did a new installation from scratch. The SIP settings were kept the same where possible (due to more options on latest releases). At this moment we are running on version 5 but we still have the same issues.

I hope someone can help us out with this one.


Offline dutch_tuga

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Re: Mitel IP Phone freezes when dialing out through SIP trunk
« Reply #1 on: March 20, 2012, 09:10:15 AM »
Hi everyone,

since we updated this pbx to version 5.0 sp1 about a month ago, we haven't experienced it anymore.

It's working fine again. We do get an T38 load fail since the upgrade, but we don't use T38.

Haven't found out yet, why this is happening.


Offline martyn

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Re: Mitel IP Phone freezes when dialing out through SIP trunk
« Reply #2 on: March 21, 2012, 06:08:54 AM »
Interesting. We have the exact same issue, but haven't been able to track down the issue yet, but am currently running 5.0. Will try upgrading to SP1 and see if there is a fix in that. It wasn't listed as a fix, but who knows could just be lucky.  :)


 

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