Asterisk Conference Phone

Asterisk Conference Phone



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Synopsis Asterisk Conference Phone

Simple Alliance bridge; substitute for MeetMe that will not want Zaptel/DAHDI/VN.

The third inclusion app_conference can be a channel-independent summit app.


Seminar Isn’t in exactly the Asterisk normal supply and could Be Located in

Seminar (name/flags/priority)

Name can be just an exceptional identifier for your own summit. It’ll soon be designed dynamically should it not exist.

Flags are just one or more :

V: Why Do VAD with this particular caller

Power: Use Denoise filter onto this particular caller.

Flags for extra spots (Watch Suggestion )

N: Announce consumer depart enter

m: Perform music online if just a single man is at the seminar (really should really be’h’ as opposed to’?!)

Priority isn’t now utilized.


The seminar is actually a great alternative to this normal MeetMe since it can not need a time source available. The deficiency of time may be a nuisance when no zaptel components remain currently present.

patch it for VoIP longer attributes

The seminar doesn’t supply some feedback if users connect or render a seminar. That was a patch designed for variant 2.0.1 that empowers music hold and sound alarms anytime a player leaves or joins the summit. Additionally, there is an edition of precisely the exact same patch Asterisk Conference Phone having an additional operator transport potential.

Enter/leave seems with no diluting.

This is another manner that doesn’t need attaching/recompiling app conference, but regrettably, it really is really a little intricate.

From the aforementioned dial plan snippet, conference-announce can be a Perl script which even users that the Asterisk Manager API to induce the seminar to telephone that the”at” or”outside” expansion at the”conf helper” circumstance which play with a solid document which suggests an individual coming or departing.

Design Objectives

It’s many layout aims That Are distinct compared to meet me:

Generally doesn’t need a zap station for a time.

It is quite productive when combined in combination with stations that encourage DTX (silent detection/discontinuous transmission).

This could perform VAD on stations that usually do not encourage DTX (but it’s more expensive than simply blending them).

That gift ideas messages onto Asterisk Conference Phone the keep track of port to determine that speakers are somewhat busy.

I Feel that folks besides myself are still Utilizing this particular, but that my surroundings Are Really stiff, and also instances beyond the do not examine:

Some anglers stem out of your PSTN through IAX2 in the box together with Zaptel cards, either through U-LAW.

Other callers system in I axes client established soft-phones with GSM through IAX2 (with DTX).

Mixing design and style

Reduce encoding/decoding, minimize blending.

Minimize preventing reduction from transcoding.

Regular circumstances are managed very effectively:

one particular speaker: This speaker framework is delivered straight to every single player that employs precisely the exact same codec.  It’s transcoded _as soon as _ for every single extra codec variety utilized by members.

Two speakers: Every speaker receives Asterisk Conference Phone the additional speaker eyeglasses.  Both speaker eyeglasses have been merge and rectify, then encode _as soon as _ for every single codec form utilize with members.

The CVS also comprises areas of libs pee, that will be dispersed beneath it has really a BSD-style permit.

Acquiring app_conference

App_conference can be found from your’AppConference’ job on Sourceforge:

Job site:

Snap-shot tarball 2005-12-21 analyzed with Asterisk

Snap-shot analyzed with Asterisk 1.2.8 made as meetme substitute for VICIDIAL Dialer but if function with Asterisk supports: — watch below to get much more information

Compiling app_conference

For default option Asterisk installments, alter those lines from makefile:

Install: all

For x (SHARE DOS); usually do $(INSTALL) -m 755 $$x (INSTALL_MODULES_DIR); achieved

/ / usr/sbin/asterisk -RX”restart currently” (close to Makefile)

(Notice: You Will Likely even Need to Make at Least One of those changes Given below from the area:

Compile the Recent CVS variant with asterisk 1.0.7)

Utilizing app_conference

That isn’t any setup record.  Conferences are made.

Dialplan syntax:

V: Why Do VAD with this particular caller

Power: Use Denoise filter onto this particular caller.

Concern: at this time, discounted; has been a”talking concern,” a higher concern caller might”reevaluate” the others.

BAD START: Optional: “likelihood” to make use of find launch of address.

VADCONTINUE: Optional: “likelihood” touse to find the continuation of language.


app_conference will not always have DTMF-activated capabilities or any such thing such as this.

Do not desire timers such as meetme; I’ve accumulated now use this beneath the Xen virtual system.

Throughout the boss user interface app_conference will record each consumer’s DTMF digits dialed, and certainly will hence make it possible for one to manually, Asterisk Conference Phone e.g., programmatically drama noises for users.

Bench Marking

It’d be wonderful to possess powerful benchmarks to gift; however, fantastic size equipment needs to be in a position to manage lots of callers if (a) they use DTX, or (b ) ) they truly are listen-only.  Probably countless.


Even the I ax client-devel subscriber record is most likely just as great a location as any to talk.

Compile the recent CVs variant with asterisk 1.0.7

(Notice: This looks to be repaired from the published app_conference v-2.0.1)

Alter the makefile to point to the add directory of asterisk header documents

change member.c, online 76-79 remark out the Subsequent:

Ast_log( AST_CONF_DEBUG,”CHANNEL INFO, respectively CHANNEL =%therefore, DNID =%therefore, CALLER_ID =%therefore, ANI =%so \n”,

Incorporate include for asterisk/utils.h on the cover of the document


On-line 612 re-place pthread_create using ast_pthread_create

I needed to alter cli.c

On-line 235 at cli.c

Switch”ast_copy_string” into”strncpy”:

Ast_copy_string(newsound->title, document, size of(newsound->title ));

Setting-up seminars

One thing that I enjoy about app_meetme is I can specify passwords and conventions. Precisely the exact same may be accomplished using app_conference throughout the database and also a dial plan to get real-time summit generation.


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