DECT Site Survey with Old Avaya IP DECT RBS Antenna

[trinetintl]

This is kind of an odd question but just this year we have been contacted by a couple of institutions that do health care and they have requested new equipment with 1 or 2 WiFi phones, quoting WiFi is kind of rare for us and we feel that at this point in time the cost of the survey kit may be too much considering our sales history. If things change and we get more opportunities with WiFi then I guess we are going to have to get one but in order to confirm our current design I wanted to put together a home made survey kit without having to spend a small fortune and I found a used Avaya IP DECT RBS (700466394), Will this old antenna do the job? What DECT phone should I look for? I was thinking about 3720 since this is the one I was planing to quote and will be nice to get familiarized with the unit.

RE

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[janni78]

If you gonna do WiFi phones you should test the WiFi.

"Trying is the first step to failure..." - Homer

 

[trinetintl]

NO, no WiFi, DECT, I am doing DECT sorry for the confusion. I read a lot of bad stuff about WiFi that I do not want to mess with it and the sites do not have the approved enterprise class access points.

RE

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[tlpeter]

Be careful with healthcare because it has stricter rules.
If you are also receiving messages on the phones then you must be sure that they can.
For that you must have a better coverage so instead of being around 80 you must be around 72 at all areas (lift and staircase)
I have done a lot of dect within healthcare environments and the base was always dect.


BAZINGA!

I'm not insane, my mother had me tested!

 

[trinetintl]

tlpeter, that's the reason I want to do a survey, this is not a hospital, they are home health care facilities, like hospice and end of life care kind of places but my problem is that I am beginning to be very concerned primarily at the site that I already closed that is still under construction, they have already completed one half and I want to go back to double check. I also found out that from ATAC that the so call DECT R4 Survey Kit and to be succinct the damn kid is basically a tripod to mount an antenna, a battery and a carrying case you still have to buy everything else and boy the stupid thing is expensive, it is so expensive that initially thought it included everything, I was shocked to find out that I was mistaken, sadly mistaken. I hot google and found an Avaya IP DECT RBS (700466394) they are used but very cheap, I guess that I can use it as long as I have a 3725 or a 3750 and the SIRI certificate. Not sure if the antenna has the SIRI certificate I assume it does because it is used but if it doesn't I should be able to pick one up from my disty right?

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[trinetintl]

I also found another used base station, I think I like this one better than the other one because it seems this one has internal omni-directional antennas will this base station work for the survey? AVAYA IP DECT Indoor Base Sstation RFP32 700430275

RE

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[trinetintl]

Am I going to have a problem with the coverage if I mount a DECT IP RBS V3 Compact IPO base station on the ceiling? I am going to be honest with you, I do not understand why any of these DECT antennas are omni-directional because you are trying to provide as much coverage as possible around the antenna no matter if it is external or not. We have only used Onmi-directional antennas to create links between two sites but for DECT? Come on!

RE

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[tlpeter]

Just use a normal basestation with a POE adapter and use a long power cable.
I have done that so many times before this way.
You really need to make sure that there is enough cables already before the final measurement.
Keep in mind that walls, doors and glass will influence the coverage for sure.
Do a final measurement when the building is done and for now do a guess and you make sure that you gamble in your favor ofcourse

BAZINGA!

I'm not insane, my mother had me tested!

 

[trinetintl]

tlpeter, by normal antenna do you mean a directional or an omnni-directional antenna? Is the used equipment I found on the internet; 700466394 or 700430275, normal or should I purchase a new Compact V3 antenna? I think the first one is directional and the second one is omni-directional and I also think the V3 is also omni-directional. Sorry I sound like a broken record, I have never done DECT in the 15 plus year I have been doing IP Office and I am afraid I am setting myself up for a very hard fall because one of this deal is closed and payed for without a survey. I wish I could talk to you for 10-20 minutes because you have the experience that I seek and that I do not have yet, of course, I will have the experience after we install the project I am just trying, praying and hoping that this experience that I will acquire soon is not going to cost me an arm and a leg.

RE

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[tlpeter]

I even don't know what type of antenna
Just a normal basestation and everything else requires a different part number.


BAZINGA!

I'm not insane, my mother had me tested!

 

[trinetintl]

tlpeter, I do really appreciate your help. I already ordered a used base station from Ebay, since it was pulled for a working environment I hope it has the SIRI license. Your answer tells me a lot, I am a very hands on person, I need to experience the solution before I can recommend it, right now I feel like I am running a race blindfolded and I do not like the feeling.

I do have a quick question for you and I think this will help me a ton, and should put everything into perspective for me. When you go do a site survey do you treat the antennas like if they are regular WiFi antennas with radial signals? For example, if you have a building shaped like an H with the hallways also shaped like an H and rooms on each side of the hallway, where do you instinctively put the antenna to start the survey? Right in the middle of the H on the horizontal Hallway? On the intersection between the horizontal and vertical hallways? Do you hang the antenna facing down the floor on the ceiling tile or roof or do you stand the antenna up and face it to a specific direction and then you simply rotate it 180 degrees and face it to the opposite direction?

RE

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[tlpeter]

I use my feeling. For now just put the base station in the middle of the building and walk around with a 3725 (site survey mode) until the coverage for around 75. At that point I put in a new base station normally.
If you have floors then go up and dorm to measure.
I always ask for drawings of the building to write and draw.
Continue with measuring till you are satisfie.

BAZINGA!

I'm not insane, my mother had me tested!

 

[trinetintl]

tlpeter, perfect, I will do that as soon as I get the equipment in. By the way, I have one last question regarding SIRI, do I need SIRI to be on this old antenna to do the survey? Can I get a SIRI licenses for an old antenna, I am assuming it has one since it was removed from a working environment, is it like a universal part number for all the base stations tied to the serial number?

RE

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[tlpeter]

Is it is a dect r4 then just use a sari from a different system or order one. It is cheap.

BAZINGA!

I'm not insane, my mother had me tested!

 

[trinetintl]

Thank you sir, by the way, do I need to order the expensive charge the advanced one or can I do it with the basic charger? I read the I need the advanced charge to configure, but I am not sure if I want to configure, I just want to go into survey mode.

RE

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[tlpeter]

You do not need the advanced charger for this.
Site survey mode is just an option in the menu of the 3725.
The 3720 doesn't have it.


BAZINGA!

I'm not insane, my mother had me tested!

 

[trinetintl]

tlpeter,is the SARI license associated with the serial number of the DECT antenna? Can I ask my disty to pull the certificate, if available, from Avaya based on the serial number? We just received the antenna and we are playing with it but it seems you have to enter the SARI license in the IP Office, I was expecting to load the certificate directly on the base station but I guess I was wrong. I apologize in advanced because this is all new to me, I am going through DECT 101/crash course right now.

RE

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[critchey]

The SARI certificate is loaded both into the IP office and base. I do not believe it is tied to the antenna serial number because I have heard on this forum that you can actually re-use the certificate at multiple sites. I have not done this myself so you may want to look into that aspect of it.

 

[derfloh]

If you don't enable provisioning you can enter the SARI directly into the base station. It is not bound to base station or call server in any way.

Check the DECT R4 installation manual. It describes how to set the base in site survey mode.

 

[trinetintl]

Perfect, thank you guys, then I will order a SARI certificate from my disty, test the thing here and go on site and try to do a survey on the completed building and on the new one, hopefully I did not screw up that bad. We are still going to try and get it to work in our lab IP Office, we are going to deploy a complete solution anyway.

RE

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