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[asterisk-users] The plain old PBX functionality


 
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csibra at gmail.com
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PostPosted: Thu Aug 07, 2014 2:56 pm    Post subject: [asterisk-users] The plain old PBX functionality Reply with quote
Hi,

back in the old analog telephony days there was "digital" PBX-es and
digital "system" phonesets. This phonesets have had many individual
illuminatable buttons connected with extensions. The PBX can show on
the buttons if some extension is ringing (blinks) or busy (constant
light), and the user can transfer the call with one touch (pressing
one of this button).

I search this functionality in Asterisk. What versions, and what
extension functions (or other settings), and what VoIP phones can do
this?

--
Best regards,
Gergo mailto:csibra@gmail.com


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kevin.larsen at pionee...
Guest
PostPosted: Thu Aug 07, 2014 3:07 pm    Post subject: [asterisk-users] The plain old PBX functionality Reply with quote
Quote:
back in the old analog telephony days there was "digital" PBX-es and
digital "system" phonesets. This phonesets have had many individual
illuminatable buttons connected with extensions. The PBX can show on
the buttons if some extension is ringing (blinks) or busy (constant
light), and the user can transfer the call with one touch (pressing
one of this button).

I search this functionality in Asterisk. What versions, and what
extension functions (or other settings), and what VoIP phones can do
this?

Asterisk has had this functionality for a long time. The terms you want to search for are BLF (Busy Lamp Field) and Subscribe. I imagine that most sip phones have the necessary features to do BLF. I know the Polycom phones I use certainly do. The Digium branded phones do as well.
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csibra at gmail.com
Guest
PostPosted: Fri Aug 08, 2014 12:05 am    Post subject: [asterisk-users] The plain old PBX functionality Reply with quote
Hi,

back in the old analog telephony days there was "digital" PBX-es and
digital "system" phonesets. This phonesets have had many individual
illuminatable buttons connected with extensions. The PBX can show on
the buttons if some extension is ringing (blinks) or busy (constant
light), and the user can transfer the call with one touch (pressing
one of this button).

I search this functionality in Asterisk. What versions, and what
extension functions (or other settings), and what VoIP phones can do
this?


--
Best regards,
Gergo mailto:csibra@gmail.com


--
_____________________________________________________________________
-- Bandwidth and Colocation Provided by http://www.api-digital.com --
New to Asterisk? Join us for a live introductory webinar every Thurs:
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To UNSUBSCRIBE or update options visit:
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b.lavallee at globalta...
Guest
PostPosted: Fri Aug 08, 2014 2:30 am    Post subject: [asterisk-users] The plain old PBX functionality Reply with quote
On 8/8/14, 14:05, Gergo Csibra wrote:
Quote:
Hi,

back in the old analog telephony days there was "digital" PBX-es and
digital "system" phonesets. This phonesets have had many individual
illuminatable buttons connected with extensions. The PBX can show on
the buttons if some extension is ringing (blinks) or busy (constant
light), and the user can transfer the call with one touch (pressing
one of this button).

Because of the peer-to-peer nature of SIP, many of the digital PBX
features can be difficult to reproduce.

If you consider where the 'brains' of the system reside, you can see the
reason. In the traditional digital PBX, all functionality was
controlled by the PBX itself. It was a Master/Slave communication
model. Phones were basically dumb terminals, how a button functioned
was determined by the digital PBX.

With SIP, phones and servers are peers. Master/Slave roles don't exist
with SIP. Control is determined by the device that initiated the
session. I will not go into the pro's and con's. But by dialing a URL,
it's possible to entirely exclude 'the server' from a call.

Quote:

I search this functionality in Asterisk. What versions, and what
extension functions (or other settings), and what VoIP phones can do
this?
The key thing in the SIP architecture to understand, the server DOES NOT
control the phone. How a button functions depends on how each
individual phone is configured. How a phone reacts to an instruction,
depends on how the phone is configured.

While it's possible to host a phone configuration template on the
Asterisk server for all phones to use, it's actually independent from
the Asterisk software.

Depending on the make/model of the phone, most of the basic features
(hold, transfer, redial) are available by default. To duplicate the
digital PBX features you're looking for, will involve two groups of
settings. Configuration on the server -and- configuration on the phone.

SIP phones are NOT dumb terminals, you have to configure them to operate
how you want.


Sincerely,
Brian LaVallee



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ish at pack-net.co.uk
Guest
PostPosted: Fri Aug 08, 2014 3:25 am    Post subject: [asterisk-users] The plain old PBX functionality Reply with quote
On 7 August 2014 21:06, Kevin Larsen <kevin.larsen@pioneerballoon.com (kevin.larsen@pioneerballoon.com)> wrote:
Quote:
> back in the old analog telephony days there was "digital" PBX-es and
Quote:
digital "system" phonesets. This phonesets have had many individual
illuminatable buttons connected with extensions. The PBX can show on
the buttons if some extension is ringing (blinks) or busy (constant
light), and the user can transfer the call with one touch (pressing
one of this button).

I search this functionality in Asterisk. What versions, and what
extension functions (or other settings), and what VoIP phones can do
this?


Asterisk has had this functionality for a long time. The terms you want to search for are BLF (Busy Lamp Field) and Subscribe. I imagine that most sip phones have the necessary features to do BLF. I know the Polycom phones I use certainly do. The Digium branded phones do as well.



Also certain models of Snom and Yealink phones.
--
Quote:
Ishfaq Malik
Department: VOIP Support
Company: Packnet Limited
t: +44 (0)845 004 4994
f: +44 (0)161 660 9825
e: ish@pack-net.co.uk (ish@pack-net.co.uk)
w: http://www.pack-net.co.uk

Registered Address: PACKNET LIMITED, Duplex 2, Ducie House
37 Ducie Street
Manchester, M1 2JW
COMPANY REG NO. 04920552
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steve-lists at geekint...
Guest
PostPosted: Fri Aug 08, 2014 3:30 am    Post subject: [asterisk-users] The plain old PBX functionality Reply with quote
On 8 Aug 2014, at 06:05, Gergo Csibra <csibra@gmail.com> wrote:
Quote:
back in the old analog telephony days there was "digital" PBX-es and
digital "system" phonesets. This phonesets have had many individual
illuminatable buttons connected with extensions. The PBX can show on
the buttons if some extension is ringing (blinks) or busy (constant
light), and the user can transfer the call with one touch (pressing
one of this button).

I search this functionality in Asterisk. What versions, and what
extension functions (or other settings), and what VoIP phones can do
this?

It’s called presence, it’s in every version of Asterisk you’re likely to find. Most SIP handsets support it. All of it depends on how you configure it.

Steve
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asterisk_list at earth...
Guest
PostPosted: Fri Aug 08, 2014 3:40 am    Post subject: [asterisk-users] The plain old PBX functionality Reply with quote
On Friday 08 Aug 2014, Gergo Csibra wrote:
Quote:
Hi,

back in the old analog telephony days there was "digital" PBX-es and
digital "system" phonesets. This phonesets have had many individual
illuminatable buttons connected with extensions. The PBX can show on
the buttons if some extension is ringing (blinks) or busy (constant
light), and the user can transfer the call with one touch (pressing
one of this button).

I search this functionality in Asterisk. What versions, and what
extension functions (or other settings), and what VoIP phones can do
this?

What you are looking for is a "Busy Lamp Field" (BLF). This can usually be
controlled by custom SIP headers (though naturally, every manufacturer's
implementation is ever so slightly different).

N.B. Be sure to *avoid* Digium phones if you want BLF functionality! Making
use of this feature would require you to pollute your system by installing a
toxic, binary-only module.

--
AJS

Note: Originating address only accepts e-mail from list! If replying off-
list, change address to asterisk1list at earthshod dot co dot uk .

--
_____________________________________________________________________
-- Bandwidth and Colocation Provided by http://www.api-digital.com --
New to Asterisk? Join us for a live introductory webinar every Thurs:
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Shishir.Pokharel at on...
Guest
PostPosted: Fri Aug 08, 2014 3:46 am    Post subject: [asterisk-users] The plain old PBX functionality Reply with quote
Almost all of the phones has this feature in build (Polycom,CISCO SPAXXXX,Digium etc..) Try going through this link https://wiki.asterisk.org/wiki/display/AST/Presence+State and setting up the right subscribe settings on the phone buttons;

-----Original Message-----
From: asterisk-users-bounces@lists.digium.com [mailto:asterisk-users-bounces@lists.digium.com] On Behalf Of Gergo Csibra
Sent: Thursday, August 07, 2014 10:05 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: [asterisk-users] The plain old PBX functionality

Hi,

back in the old analog telephony days there was "digital" PBX-es and digital "system" phonesets. This phonesets have had many individual illuminatable buttons connected with extensions. The PBX can show on the buttons if some extension is ringing (blinks) or busy (constant light), and the user can transfer the call with one touch (pressing one of this button).

I search this functionality in Asterisk. What versions, and what extension functions (or other settings), and what VoIP phones can do this?


--
Best regards,
Gergo mailto:csibra@gmail.com


--
_____________________________________________________________________
-- Bandwidth and Colocation Provided by http://www.api-digital.com --
New to Asterisk? Join us for a live introductory webinar every Thurs:
http://www.asterisk.org/hello

asterisk-users mailing list
To UNSUBSCRIBE or update options visit:
http://lists.digium.com/mailman/listinfo/asterisk-users

--
_____________________________________________________________________
-- Bandwidth and Colocation Provided by http://www.api-digital.com --
New to Asterisk? Join us for a live introductory webinar every Thurs:
http://www.asterisk.org/hello

asterisk-users mailing list
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dduffett at digium.com
Guest
PostPosted: Fri Aug 08, 2014 11:13 am    Post subject: [asterisk-users] The plain old PBX functionality Reply with quote
Using the BLFs on Digium phones does not require the use of the Digium Phone Module for Asterisk, or DPMA. SchmoozeCom (the FreePBX guys) use the BLFs on Digium phones independently of the DPMA.

I am not sure why a previous response refers to this module as 'toxic'. It is a free to use module which allows a host of Digium phone features to be quickly implemented with Asterisk, like security-enhanced auto provisioning.


Digium phones are the only SIP phones in the world designed specifically to work with Asterisk, and each purchase helps to fund the ongoing development of open source Asterisk. In addition, they have a JavaScript API that allows anyone that wants to create custom apps on the phone to do so.


They can, of course, work with any standard SIP system and can be provisioned using FTP/HTTP(S) and XML files, just like any other phone.

On Friday, August 8, 2014, A J Stiles <asterisk_list@earthshod.co.uk (asterisk_list@earthshod.co.uk)> wrote:
Quote:
On Friday 08 Aug 2014, Gergo Csibra wrote:
Quote:
Hi,

back in the old analog telephony days there was "digital" PBX-es and
digital "system" phonesets. This phonesets have had many individual
illuminatable buttons connected with extensions. The PBX can show on
the buttons if some extension is ringing (blinks) or busy (constant
light), and the user can transfer the call with one touch (pressing
one of this button).

I search this functionality in Asterisk. What versions, and what
extension functions (or other settings), and what VoIP phones can do
this?

What you are looking for is a "Busy Lamp Field"  (BLF).  This can usually be
controlled by custom SIP headers  (though naturally, every manufacturer's
implementation is ever so slightly different).

N.B.  Be sure to *avoid* Digium phones if you want BLF functionality!  Making
use of this feature would require you to pollute your system by installing a
toxic, binary-only module.

--
AJS

Note:  Originating address only accepts e-mail from list!  If replying off-
list, change address to asterisk1list at earthshod dot co dot uk .

--
_____________________________________________________________________
-- Bandwidth and Colocation Provided by http://www.api-digital.com --
New to Asterisk? Join us for a live introductory webinar every Thurs:
               http://www.asterisk.org/hello

asterisk-users mailing list
To UNSUBSCRIBE or update options visit:
   http://lists.digium.com/mailman/listinfo/asterisk-users
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kevin.larsen at pionee...
Guest
PostPosted: Fri Aug 08, 2014 11:21 am    Post subject: [asterisk-users] The plain old PBX functionality Reply with quote
Quote:
I am not sure why a previous response refers to this module as
'toxic'. It is a free to use module which allows a host of Digium
phone features to be quickly implemented with Asterisk, like
security-enhanced auto provisioning.

Without creating a large off-topic response, there is a segment of the open source movement that holds that any software that does not come with source code is bad and should not be touched/used in any fashion by any person/company.
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webaccounts173 at jgoe...
Guest
PostPosted: Fri Aug 08, 2014 11:34 am    Post subject: [asterisk-users] The plain old PBX functionality Reply with quote
If you think it is bad then
    do not use it;
else
    use it;

There is no natural law that requires to publish the sources, even if the software is otherwise free. You can always write your own modules and publish the sources. I have difficulties seeing your point.

Quote:

Without creating a large off-topic response, there is a segment of the open source movement that holds that any software that does not come with source code is bad and should not be touched/used in any fashion by any person/company.

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