[Asterisk-Users] Simple phone question

Joe Greco jgreco at ns.sol.net
Sat Oct 16 06:57:58 MST 2004


> Continuing on/adding my $0.02 to Joe's reply on this thread....
> 
> --On Friday, October 15, 2004 23:30 -0500 Joe Greco <jgreco at ns.sol.net> 
> wrote:
> 
> > If Extension 1000 is a Zap channel (i.e. an interface card that has an
> > RJ11 into which you plug a phone), that may not be able to receive more
> > than one call at a time (I'm not real clear on whether there are built-
> > in functions within Asterisk like call waiting for this situation).
> 
> Zap does call waiting tone, if callwaiting=yes.

Does it also, then, implement hook flash handling of the calls?  That'd
be cool.  :-)

> > If Extension 1000 is a SIP client, Asterisk simply offers it off to the
> > phone, and lets the phone worry about it.  From what I've seen, SIP
> > phones (hard or soft) deal with this by allowing you more than one call
> > per "line", but I've not worked with too many clients or phones.
> 
> Depends totally on the phone.  Cisco phones can have call waiting and such 
> turned off either during provisioning, or if provisioning has allowed user 
> control, by the user.  The exact specifics totally depend on each SIP phone 
> here as you've noted.

I also noticed that the Cisco phones seem to only allow two calls (per
line).  This struck me as a bit odd.  I haven't walked through all the
documentation yet, though, so maybe a higher limit can be set.

... JG
-- 
Joe Greco - sol.net Network Services - Milwaukee, WI - http://www.sol.net
"We call it the 'one bite at the apple' rule. Give me one chance [and] then I
won't contact you again." - Direct Marketing Ass'n position on e-mail spam(CNN)
With 24 million small businesses in the US alone, that's way too many apples.



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