[VoiceOps] ATA To Connect to Mitel PBX

[Todd Wolf]

This link is relevant to your issue

https://supportforums.adtran.com/thread/2264


> On Jun 17, 2019, at 9:36 PM, Nate Burke <nate at blastcomm.com> wrote:
> 
> Sorry for Dredging up an old post.  I've had the Adtran TA908 (2nd gen) installed to the MITEL for about a month, but now I'm starting to hear about problems.  In Certain call scenarios, the MITEL is not disconnecting the Trunk port, even though a call has ended.  The Mitel consultant is placing the blame squarely with me, that I'm not sending the proper 'Disconnect Supervision' and the MITEL is not hanging up the line.
> 
> I've been googling, and reading manuals, and haven't been able to find any sort of settings for a 'disconnect supervision'
> 
> Anyone run into this before?
> 
> Thanks,
> Nate
> 
> 
>> On 4/13/2019 7:23 AM, Nathan Anderson wrote:
>> You didn't say what the "some issues" were that the customer was still complaining about.  Just stuck lines?  Just echo?  Both?  Something else entirely?
>> 
>> Re: stuck lines, sounds to me like the TA and the phone system are not in agreement about what method of disconnect supervision (if any) the TA is going to provide and the phone system trunks are going to be looking for.
>> 
>> -- Nathan
>> 
>> -----Original Message-----
>> From: VoiceOps [mailto:voiceops-bounces at voiceops.org] On Behalf Of Nate Burke
>> Sent: Friday, April 12, 2019 9:33 AM
>> To: voiceops at voiceops.org
>> Subject: [VoiceOps] ATA To Connect to Mitel PBX
>> 
>> I've only had to provide POTS termination to 1 MITEL system.  I tried
>> using Linksys/Cisco SPA and Grandstream ATA's, then finally put in an
>> Adtran TA904 (2nd gen).  The Adtran seemed to give the least number of
>> issues with Lines getting stuck open, Echo, etc. But the (former)
>> customer was still complaining about some issues when they closed up shop.
>> 
>> I now need to provide 6 analog lines to hand off to an existing MITEL.
>> Is there an ATA that's better than a TA908 for doing "Acceptable" POTS
>> to a MITEL?
>> 
>> Thanks,
>> Nate
> 
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