On Mon, 2003-07-21 at 19:25, Martin Pycko wrote: > I'm just curious if anyone has the X100P & Callerid receiving working > outside US.
It does not work in the Netherlands. The Netherlands does not use FSK signalling, but DTMF signalling: 1) polarity reversal 2) DTMF: <D><Number><C> 3) ring signal where <D> and <C> are the DTMF tones 'D' and 'C' respectively, signalling start and end of DTMF Caller-ID transfer. Exact specification (including length of tones and pauses) is in this document: http://www.kpn.com/common/downloads/01_Part2-PSTN_V32.pdf paragraph 6.2.3. At least Sweden and Denmark use very similar CLIP protocols, the difference being mainly in the start and end tones used. The different protocol also bites on the other end, as asterisk will send callerid information to a phone connected to a TDM40B for example using the FSK protocol. Dutch phones don't understand FSK, and hence don't pick up on the caller id. I'm very interested in solving this problem, as it makes asterisk only usable in the Netherlands using ISDN BRI or PRI on the PSTN side, and imported phones on the (analog) internal side. I just don't have any idea where in the source, and how... One possible solution for the 'inside' problem: There's one company in the Netherlands offering telefony over cable infrastructure, they use FSK signalling for Caller-ID presentation. I'll get my hands on a phone suited for their network soon, wich will allow me to verify if they work with asterisk. -- Envida http://www.envida.net/ Armand A. Verstappen Graadt van Roggenweg 328 [EMAIL PROTECTED] 3531 AH Utrecht tel: +31 (0)30 298 2255 Postbus 19127 fax: +31 (0)30 298 2111 3501 DC Utrecht
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