If you switch them to Cisco ATAs it should be ok from their perspective, at least that is how it was with the vendor we were working with. Who is the Contractor?
Erich Kaiser North Central Tower Consulting er...@northcentraltower.com Office: 630-621-4804 Cell: 630-777-9291 On Tue, Feb 17, 2015 at 5:24 PM, Nate Burke <n...@blastcomm.com> wrote: > I'm trying to hook an ATA (Grandstream GXW4004) up to a Mitel PBX. The > Mitel is expecting a 'Loop Start' line. I've read through the Wikipedia > pages, and looked through the documentation. But I'm still confused. How > do you tell if an ATA is producing lines that are 'Loop Start' or 'Ground > Start' Or is there something else it's doing. > > The client is having issues where some calls are terminating in the middle > of a conversation, or not disconnecting and leaving the line open. The PBX > Contractor (the only way you can do anything with a Mitel PBX is through a > Contractor) is telling them that they can make no adjustments to the analog > card in the Mitel, and it's not working because our lines are 'Not up to > industry standards for loop start lines.' When they had ILEC POTS lines, > the PBX was working normally, this just happened when we switched them to > an ATA. > > I have a ticket open with Grandstream, but I thought I'd ask here. Is > there a way to test loop vs Ground start, and verify that the ATA is up to > 'Industry standards'? The Contractor is Telling the client that our lines > have low voltage, and there is "data" present on the line. I wasn't on > site when the tech was, so I have no idea what sort of testing he was doing. > > Any telephone guys care to offer insight? > > Thanks, > Nate >
