MiVoice
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Mitel Troubleshooting: Call re-routing and forwarding being ignored
If you have a chain of call re-routing and forwards, but it does not progress beyond a certain extension regardless of the Day, Night1, and Night2 rules, it may be that Call Forward – End Chaining is enabled on the extension. Call Forward – End Chaining is enabled via a dialled feature access code, usually…
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Mitel MiVoice 3300 Graceful Failover
To fail over phones from their primary to resilient controller before a shut down, use this maintenance command HST COURTESY HANDOFF The hand-over status can be checked with the command HST COURTESY STATUS After a reboot of the controller that handed off the phones, the phones will eventually migrate back to the original controller in…
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Mitel MiVoice Business: Understanding Class of Restriction
Class of restriction (COR) is an important feature on MiVoice controllers for protection and control over what calls can access an outgoing trunk group. COR can be split into two parts, the class of restriction group themselves, and its members which are defined by an Class of Restriction number. Confusion can occur since class of…
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Capturing a SIP trace / PCAP on a Mitel Controller
Capturing a SIP trace can help in diagnosing issues with SIP communications on a Mitel controller. Log into the System Administration Tool and and navigate to Maitenance and Diagnostics, Maintenance Commands. In the command box, type SIP TCPDUMP ON At this point, run any test calls that you need to capture into a PCAP file.…
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Poor ISDN call quality – Mitel / MiVoice 3300
We were tasked to look into a MiVoice Business controller in the UK that had been recently rebuilt from backup. Incoming or outgoing calls to the controller turned any calls into almost inaudiable noise. Checking the ISDN forms against best practice it looked like nothing had been missed or mis-set, it was restored from a…