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mikebrown Posted:
there, Please
check out -

In The Forum:
Hard Wiring - Installation
Hardwiring in a Rental House
On Oct 24, 2017 at 22:29:48

mikebrown Posted:
Hello, I think
you should consult
it with the Expert
they can surely
help you

In The Forum:
Hard Wiring - Installation
Hardwiring in a Rental House
On Jun 24, 2017 at 09:15:34

Haniltery Posted:
For wipe call
history also some
of the offline, in
gengral , it
usually apply to

In The Forum:
How to Delete call history from online account?
On May 09, 2017 at 06:14:26

diana87 Posted:
You have to use
VPN service to
and get free
access while

In The Forum:
Recent calling problem from Egypt
On May 02, 2017 at 17:28:06

dconnor Posted:
What is the main
number on the
account? And
which one is the
virtual number?

In The Forum:
Vonage UK
How do you call 999
On Apr 27, 2017 at 18:52:02

Trafford Posted:
Seems like a
question. We
rely exclusively
on a Vonage system
for our

In The Forum:
Vonage UK
How do you call 999
On Apr 27, 2017 at 10:42:50

diazou Posted:
Hello, It's
compatible with
Android your phone
? Thanks!

In The Forum:
IP PBX for small business
On Mar 28, 2017 at 12:42:33

jeddaisg Posted:
Hi all We have
a Vonage VOIP
system for our
office. Lately,
our call quality

In The Forum:
Ethernet Cable; Wiring schematic? 568-B?
On Feb 23, 2017 at 18:33:52

beast321 Posted:
I don't know if
you heard, that
many more
Dreamcast games
are opened up

In The Forum:
Fax - Tivo - Alarms
Using phone as a dial up modem for Dreamcast Gaming
On Feb 16, 2017 at 03:16:51

Av8rix Posted:
Sorry to start a
new thread on an
old topic but when
I google “Vonage
MAC address

In The Forum:
New adapter and router -- MAC change
On Jan 11, 2017 at 01:07:21

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Vonage The problem you are having is that by default the Linksys adapters do not send a

The problem you are having is that by default the Linksys adapters do not send a CPC disconnect signal.

CPC, as you seem to understand since you tested for it, is a reduction of voltage to less than 1 volt for a specified duration after the remote party hangs up. It can also be a polarity reversal instead. The US standard is a 200ms voltage drop. The reason for the signal is to notify hold buttons and PBX's that the remote party has hung up.

On the Linksys boxes, that are of course actually Sipura boxes, the default settings for CPC are a 2 second delay and a 0 second duration. It's that 0 second duration that is causing your problem.

This can be changed, but only by Vonage on the Linksys box since you are locked out of the admin functions. The problem is that no one you talk to is going to have a clue what you are talking about, so you will need to be very specific and very persistent.

First of all, you might avoid using the term "PBX" since that does give the tech support person a good reason not to help as they don't support PBX's. I would suggest that you explain that the hold buttons on your phones will keep the line off-hook after the remote party disconnects. That, by the way, is a true statement so long as you have phones with hold buttons. :-)

Next explain that you absolutely know how to fix this. Tell them that there is a parameter in the Linksys called "CPC Duration". Tell them you would like them to set this to .2 (that's a decimal then "2" for 2 10th's of a second or 200ms). With that level of specificity, anyone at tech support should be able to do it for you. I would also ask them to note what they did in your account and that it solved your problem so that when you add more adapters in the future, you can just have the next tech read the notes.

I've done this on 3 linksys adpaters successfully so you should have no problem. By the way, I did use the "PBX" word and it was almost a deal killer at the start. Fortunately I was having issues with hold buttons at another location, I knew exactly what the problem was and how to fix it, and I got a very helpful tech who was willing to read the articles I pointed him to so he did the deed. Once he had the notes in the account, getting the next ones done was a breeze.

Good luck!

Read The Full Thread:

PBX Disconnect Problem

I posted a reply elsewhere regarding this, but wanted to see if someone might have
Thanks. Worked like a charm. I was sure there was a setting, but the techs won't
Thanks for the setting. Was hard to make it changed by Vonage rep. I used the linksys
Excellent post - worked very well with knowledgable rep. Thanks
Great post. I have a dialogic based Televantage PBX and other IVR and CTI applications
wow, I dont have any setup or problems but this was some great info. Dconnor,
I agree AspectTec that this thread should be kept as a sticky. Many people
The Aspect hardware is all proprietary unfortunately and Im not prone to recommend
Would this solve the answering machine problem where it continues to record a

PetDude posted "The problem you are having is that by default the Linksys adapters do not send a" on 11/19/2004

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