[Gasket]

Hi,

I have hooked up my new VoIP gateway from Comwave. I am trying to understand what is hapenning here, so maybe you can help me...

My setup:
Videotron High Speed Internet (5.1Mbps)
D-Link Router (DI-604)
Comwave iPhone gateway (D-Link DG-102S)
g.711 codec
DSC Power832 alarm panel
SIA format dialing, using DTMF

My problem:
I am not able to get my ADT alarm system to communicate with the ADT host.

My symptoms:
When dialing the 1-866-xxx-xxxx ADT Host phone number with a regular POTS line, I can hear a long dial-tone (handshake?) from the host. If I dial the same phone number with the VoIP iPhone, the host dial-tone is extremely short. So, when my alarm is trying to contact the host via the VoIP line, it never completes the handshake because, I guess, the first host signal is too short. I even listened to the line while the alarm panel is dialing out: it dials, the host picks-up, hear a short dial-tone, then nothing. If I connect the panel to the POTS line back again, it works like it's suppose to.

My question:
Why would the host handshake dial-tone be shorter with my VoIP line?

Thanks a lot for your help!

[Comwave-User]

I had the same problem with ADT. I switched to Absolute Total Security which I found on the Comwave web site FAQ section. All is well now! The good news is that I now pay less for monitoring. I was paying ADT $30/month and now its $20 with Absolute.

Comwave changed the compression to G729 and I made sure I was sending SIA as Comwave required.

Call Absolute at 416-663-1234 not sure what their Toll Free number is. They serve Quebec as well because my friend in Montreal did the same.

Good luck

[vcemprevet]

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