[cisco-voip] IP-DECT recommendations

[Dana Tong]

Hi Adam,

ASCOM also do some IP DECT handsets. There are two different ways to do this:

IP Base stations - Each base station is a wireless DECT AP and connects via an Ethernet cable and requires POE. The base stations have to be a full mesh to communicate to each other, so keep coverage in mind and have the vendor perform a survey.

IP Enabled Controllers - Each base station is hard wired back to an IP controller (1RU box) that can support a number of base stations. You have multiple controllers but I think there's still just one management interface. These generally have a broader coverage (being analogue DECT). A lot of customers who have analogue DECT (hard wired into an Ericsson PBX for example) find it easier to migrate to IP with this kind of setup.

In each instance, the phone registers to CUCM as a third-party SIP device. So keep this in mind when it comes to licensing. You will need a UCL Enhanced for each DECT handset.



As someone else also pointed out, there are DECT handsets that can be connected to an analogue FXS port such as a Spectralink and Engenius Long Range DECT handsets. These can be connected to VG2xx ports and probably only consume a UCS Essential license. 

Cheers
Dana




-----Original Message-----
From: cisco-voip [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Pawlowski, Adam
Sent: Thursday, 12 February 2015 5:23 AM
To: cisco-voip at puck.nether.net
Subject: [cisco-voip] IP-DECT recommendations

Afternoon all,

	For once things are only broken a little so I've a moment to look forward. I've been looking at some IP-DECT options for us to be able to deploy localized mobile communications. We have some 792X WiFi phones, which are expensive, rely on an even more expensive network deployment, and haven't met our users' requirements, which are primarily local access anyways (within a room  or adjacent rooms). 

	I took a bit of time looking to see what's US available, as the Europe/Asia market has more options, and for things which didn't require hoops to get information out of vendors. Panasonic seems to have a reasonable "SoHo" type solution, and their POTS phones have been fine. SNOM's solution is a bit limited in the handset arena, but expandable within a subnet/area, and Yealink's is again localized, but they at least have repeaters. I've looked quite seriously at Spectralinks's solution, and it supposedly integrates rather well with CUCM. I'm a bit apprehensive in trying to spec investment in the larger server and try to piecemeal a deployment based on customer demand (and money), but at least there's some options there.

	Has anyone rolled out IP-DECT? Any comments on challenges regarding RF with these, or how they interact with the UCM? Good or bad, I'd appreciate comments.

Regards,

Adam P
SUNYAB

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