Medtronic Carelink Monitor

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peter0109:
I am using OBI-100 with google voice at home. My son has a medtronic
pacemaker and we have to send information to the doctors through the phone
line. I have not been able to get the system to work. It is a Medtronic
Carelink Monitor and it sends the information through a phone line like a
fax machine (slow baud rate). You hear the dial tone and the loud noises but
it doesn't ever successfully send the data. I don't know if this is at all
related but I got my alarm system to work by changing the DTMFMethod to
InBand. Is there anything I can adjust to get the Medtronic Carelink Monitor
to work? Thank you.

QBZappy:
peter0109,

Welcome,

Is this a routine (non-life threatening) thing you are trying to set up? Bring up the word 'pacemaker' and my imagination runs wild with what you are trying to accomplish.

Rick:
It is a routine data send for doctors to monitor the device without an actual visit.

Does it connect the call?  If yes, try changing DTMF settings and try again.  Also Google the device and VoIP.  There is a cellular option. http://www.medtronic.com/for-healthcare-professionals/products-therapies/cardiac-rhythm/patient-management-carelink/medtronic-carelink-network-for-cardiac-device-patients/index.htm#tab2

The issue is that your VoIP (OBi) line is digital.  Your Medtronic device is analog. 

You MIGHT find that the HAI C3 cellular device works.  You can use AT&T or TMobile with it, get a near free TMobile SIM card from them to test it out, then just keep it refilled.  Or, if you have AT&T or TMobile you could just move your SIM card, transmit the data, then move it back. 

peter0109:
Yes, it is a routine data send for doctors to monitor without an actual visit. I have called Carelink and was familiar with the cellular option, but they charge a monthly fee of around $12 I believe. I was trying to avoid that for something I transmit once every three months.

So there isn't a device that can change the medtronic analog signal to digital?

It does connect the call and it sounds like it is sending, making the loud faxing noise but I don't know if the other side is hanging up or just not understanding.

What should I change the DTMF settings to?

Thank you!

Rick:
I know of no device to change the analog to digital for this issue.

Since you know WHERE you are calling, you could work with them to see WHAT their unit is showing, i.e. they should have an error report of some type.

I have no idea what you should change your DTMF settings to, it would be trial and error. 

Go to ITSP Profile A, DTMFMethod, UNCHECK the box, and change it to Inband.  Click Submit, then REBOOT.  Try it.

If that doesn't work, set it back to Auto, and try going to Physical Interfaces, Phone Port, DTMFRxMode.  Uncheck the box, change to Software.  Click Submit, then REBOOT.  Try it.

In both cases, you really want the receiving location aware of your testing, with someone on that end monitoring and telling you the result.  Otherwise, you don't know if it worked or not.

Good luck!

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