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Vonage Fixed it!
Rang Vonage tech support last night and have to say they have been
Fixed it!
Rang Vonage tech support last night and have to say they have been brilliant. They answer the phone quickly and the guy was very patient with me... Basically he went through the various settings he was able to change relating to caller id. The main thing they change if you have caller id problems in the UK appears to be something to do with line impedence. Not sure I follow this fully but perhaps its related to getting caller id devices to detect the polarity reversal before the first ring. My modem seemed to struggle with doing that certainly. Next we went through the list of caller id standards which he could switch me to. The default appears to be called:
ETSI FSK with PR (UK)
This is the BT caller id standard. PR stands for 'Polarity Reversal'. The idea is that before the phone rings their is a polarity reversal on the line which instructs caller id devices to listen for the caller id data.
Next thing we tried was called ETSI FSK. As with the BT standard, this worked on my phones but not on my modem. We then tried a standard based on DTMF instead of FSK. I think this is a Scandanavian standard and neither the modem nor any of the phones could understand it. Finally, I read this text from a website out to the tech support guy:
"The Cable companies, like Telewest, NTL etc have a system of Caller ID delivery that is similar to that used in the US. I.e. an initial ring burst followed by FSK data."
My modem used to work fine on Telewest. He then said he could put me on the US style caller id and BINGO! Everything works. Phones and modems. My experience in all this is that phones are typically much less sensitive to the exact caller id standard. They seem to listen for the caller id data in a number of places. My phones work on the BT and Telewest lines so they must listen for caller id both after an initial polarity reversal AND after the first ring, perhaps with the later as a fallback position. Modems (and perhaps the duophone?) are much less intelligent. They need to know exactly when to listen for caller id. Although sold as a UK caller id modem, mine seems much happier with the US standard. i.e. It hears a ring, then listens for caller id. Anyway, I just thought I'd share my experiences...
Read The Full Thread: CLI stops working ?
• Hi all, below is a message I posted in the Skype forum relating to CLI and a particular
• Not sure I can be much help on the specifics but I've seen flakey CLID too. I have
• Well, surprise surprise - I got home last night to find my modem had given up doing
• bassplayer,
Are you in the UK?
What is the modem you refer to with caller
• Yes, I'm in the UK and the modem is this one:
Broadcom BCM94212/I V.92 K56 PCI
• Ok, so I think I'm getting somewhere now. Just found this:
From: http://www.caller-id-answers.inf
• bassplayer,
I was going to suggest you can change the CLI format in the ATA
bassplayer posted "Fixed it!
Rang Vonage tech support last night and have to say they have been" on 10/28/2005 |
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