[asterisk-dev] Xorcom claims

Steve Underwood steveu at coppice.org
Sat Aug 4 12:39:36 CDT 2007

William Moore wrote:
>> Have you seen anyone claim that Zaptel cards *can* synchronise? Recently
>> Sangoma finally added an option to synchronise some of their cards, but
>> still only some. Digium offers no card to card synchronisation at all.
>> This situation is really pathetic.
> On the contrary, Digium's dual and quad span T1/E1 cards can share a
> synchronus clock either taken from a telco span, or provided by one of
> the cards.  It requires a timing cable and some additional setup in
> zaptel.conf.  Unfortunately, this definitely does not apply to
> Digium's analog cards and I'm not sure about the single span T1/E1
> cards.
That was talked about a long time ago, but I didn't realise anything had 
happened. In reality, it doesn't change a lot for most people trying to 
use a FAX machine or or other modems. They are usually trying to put a 
modem or two on a small analogue card.


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