asterisk users - Jul 2006 - Intercom mode on Polycom and/or SPA9xx

I have a customer that is used to Intercom from ther Avaya system,
where you just page someone and until they don't pick up the handset
there is only one way audio from the caller to callee.

At the moment I'm using for the Polycom ALERTINFO to a customized ring
that auto answers, and for the Sipura spa941 SipAddHeaders that also
autoanswers however they both do 2 way audio, is there anyway that it
can be configured to 1 way audio?

I know that I can do meetme with mute, but that wont work for 3 reasons:
1. Unmute will only work with a DTMF, which I realy want handset to do it.
2. Xfers wont work as I want, since I'm using the intercom on attxfers.
3. My boxes might or might not have the power to handle many meetmes,
and I don't want to run into this.

Thank You

> At the moment I'm using for the Polycom ALERTINFO to a customized ring
> that auto answers, and for the Sipura spa941 SipAddHeaders that also
> autoanswers however they both do 2 way audio, is there anyway that it
> can be configured to 1 way audio?
Really dumb solution - can you use Polycom 301's?  There's no mic built
into it, so you need to pick up the handset for the calling party to
hear you.  For you this might be a "feature".

-------------------
Brian Vincent
Copper Mountain Telecom
vincentb@coppercolorado.com

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Thanks to BJ Weschke I have now solved this problem by adding the
option s, and taking off the option t from app_page like this:

I changed the line that reads (by me line 177):
 snprintf(meetmeopts, sizeof(meetmeopts), "%ud|%sqxdw", confid,
ast_test_flag(&flags, PAGE_DUPLEX) ? "" : "m");
to:
 snprintf(meetmeopts, sizeof(meetmeopts), "%ud|%sqxdsw", confid,
ast_test_flag(&flags, PAGE_DUPLEX) ? "" : "m");
and the line that reads (by me line 192):
        snprintf(meetmeopts, sizeof(meetmeopts), "%ud|A%sqxd",
confid, ast_test_flag(&flags, PAGE_DUPLEX) ? "" : "t")
to:
         snprintf(meetmeopts, sizeof(meetmeopts), "%ud|A%sqxd",
confid, ast_test_flag(&flags, PAGE_DUPLEX) ? "" : "");

Now the one being paged can dial *1 to unmute them selfs, and then the
caller (in our case the person paging) can complete the transfer, and
it all works.

Thank you BJ

On 7/11/06, C F <shmaltz@gmail.com> wrote:
> I have a customer that is used to Intercom from ther Avaya system,
> where you just page someone and until they don't pick up the handset
> there is only one way audio from the caller to callee.
>
> At the moment I'm using for the Polycom ALERTINFO to a customized ring
> that auto answers, and for the Sipura spa941 SipAddHeaders that also
> autoanswers however they both do 2 way audio, is there anyway that it
> can be configured to 1 way audio?
>
> I know that I can do meetme with mute, but that wont work for 3 reasons:
> 1. Unmute will only work with a DTMF, which I realy want handset to do it.
> 2. Xfers wont work as I want, since I'm using the intercom on attxfers.
> 3. My boxes might or might not have the power to handle many meetmes,
> and I don't want to run into this.
>
> Thank You
>