A private branch exchange (PBX) is a telephone exchange that serves a particular business or office, as opposed to one that a common carrier or telephone company operates for many businesses or for the general public.
-1
votes
0answers
16 views
Variable number of users in sip.conf [closed]
I set up my first asterisk server and things are working great. I have sip users set up like so in my sip.conf:
[1001]
type=friend
callerid=1001
secret=1001
host=dynamic
nat=yes
allow=gsm
[1002]
...
0
votes
1answer
52 views
What is the best option for SIP service redundancy?
From your practical experience, what is the best option for SIP service redundancy?
a) one SRV record pointing to a hostname which has two A records
b) two SRV records pointing to two different ...
0
votes
1answer
287 views
PBXact Behind ASA 5505 nat udp range 10000-20000
I'm installing a new pbxact phone server onsite and I've ran into an issue using a 3rd party sip, I've got the acl's for the traffic created and the traffic is allowed, I'm assuming i need to create a ...
0
votes
1answer
69 views
Shoretel Upgrade Path
I currently have a Shoretel Server running Server 2003 x32 as a virtual machine paired with a ShoreGear 90 switch and another unused switch of the same model being reserved for manual failover. I am ...
0
votes
0answers
85 views
VoIP setup for one external PSTN line [closed]
I'm completely new to VoIP and the likes, and I'm trying to find information about what could be the best setup for this.
I need 4 (maybe more in the future, but maximum 5 or 6) wireless extensions, ...
1
vote
1answer
99 views
Provisioning SIP Phones over the internet
I have a few SIP Phones that are located of site and connect to my PBX over the internet to make calls. For some reason one of these phones has become unprovisioned. In my office phones get ...
14
votes
2answers
653 views
Can anybody explain why to use Asterisk PBX rather than standard PBX from Matrix or Siemens [closed]
Can anybody explain why open-source Asterisk is favourable in comparison with a traditional PBX system from a vendor such as NEC/Syntel/Matrix or Siemens.
2
votes
1answer
211 views
Elastix and two ISDN lines
Since I am not an expert on communications, I will describe everything from the user perspective.
We had a PBX with elastix embedded and two ISDN cards in it (we have two isdn lines). The mobo of the ...
0
votes
1answer
97 views
DDoS attacks to PBX [closed]
I'm wondering if DDOS attacks to PBX or telecommunications systems is possibe real.
According to this links:
...
1
vote
0answers
89 views
Basic specs for 1990 model year Detewe Varix 2000 PBX? [closed]
I'm wondering if someone could find among their old manuals some basic specifications for Detewe Varix 2000 exchange - like power usage, number of supported phones, ports, lines, trunks, basic ...
0
votes
0answers
21 views
Phone system, PBX server provider needed [closed]
We currently use Fonality PBX system and their PBX server in our office now, however its all messed up and they dont want to fix it because service agreement expired, mind you the they told us even if ...
2
votes
3answers
495 views
PBX with Fax and Google Voice
Looking to replace/port my home number which I use for mainly faxing for my home business to a PBX server ( Thinking Asterisk or Elastix ).
My question is:
Does Asterisk/Elastix support Faxing ( ...
0
votes
3answers
113 views
When researching an ip phone system, where would you start? [closed]
I'm one of the sysadmin's for our business and I've been tasked with researching and deploying a new IP based telephone system. I've got a solid grasp of our feature requirements, but what I don't ...
1
vote
0answers
185 views
What's the correct way to step a Draytek 3510 IP PBX to avoid line echo?
I've setup a Draytek 3510 IP PBX with 10 VigorPhone 350 handsets. It's all connected through an unmanaged 48port gigabit switch - all structured cabling except patch leads are Cat6. Dhcp is handed out ...
0
votes
1answer
155 views
Connect to Panasonic PBX from linux box
We are developing a project in a linux box and want to connect it with a existent Panasonic pbx, but it seems that there's no tool to do that, and the only way to get connected is developing yourself ...
1
vote
1answer
68 views
Best method to protect software PBX system from disaster
I have been put in charge of maintaining an old PBX system which is running Windows Server 2003 and TeleAdvantage PBX software. The big concern is that the company that originally built this PBX box ...
0
votes
1answer
408 views
Elastix 2.2 clock not keeping correct time
I'm configuring our Elastix 2.2 server and the clock was not in sync. When I check the machine in Linux this is what it says. I've tried to search for a resolution but came up empty.
This is ...
-1
votes
1answer
79 views
Is a PBX responsible for routing calls, or is that handled by the provider?
I am setting up a PBX that external users will connect to and I was wondering how important PBX placement was.
Are calls routed through the PBX itself, or do they go directly through the provider ...
0
votes
1answer
251 views
Click to call with a soft phone
I'm trying to set up click to call with a soft phone. I'm using QuteCom for the soft phone, vTiger for the CRM and Asterisk, through Elastix for the PBX.
I was wondering if someone could point me in ...
1
vote
1answer
639 views
GUI for Asterisk 1.8.8 on Debian 6
Can someone point me towards a tutorial for installing either FreePBX, or a Webmin GUI for Asterisk 1.8.8 on Debian 6? Asterisk Thirdlane Multi Tenant PBX Manager and Asterisk Thirdlane PBX Manager ...
6
votes
4answers
977 views
Is it possible or advisable to virtualize a PBX system? How would one go about this?
I'm totally new to the world of VoIP and we are looking to move from our current provider to a solution we host ourselves, mainly because the current service is so unreliable. Unfortunately I know ...
9
votes
2answers
1k views
Can you please explain the difference between PBX and soft switch in less technical terms?
Asterisk is an open source PBX and FreeSWITCH is an open source soft switch.
Source: http://www.freeswitch.org/node/117
Can you please explain the difference between PBX and soft switch in less ...
5
votes
1answer
410 views
Elastix(Asterisk) Slow to repsond on incoming PSTN line
I setup a PBX with asterisk and Elastix as a web GUI. I have all incoming calls set to ring to a ring group of our office personnel in a ringall format. The only issue is the time for Asterisk to ...
0
votes
1answer
907 views
Asterisk configuration for voicemail emails through GMail SMTP server not working
I am trying to configure Asterisk (running on AstLinux) to send emails when it receives voicemails through GMail's SMTP server, but it is not working. I do not receive any emails, and I get the ...
3
votes
4answers
233 views
Using the Built in Switch in IP phones
I'm working on setting up a small business with IP Phones to connect to the Asterisk Server. Now, for simplicity we just ran 2 CAT5e lines to each room, and 1 was hooked to a phone jack, before my ...
1
vote
2answers
127 views
Advantages and disadvantages to using a VPS (or any remote server) to host a VOIP/PBX system
My company currently runs a Trixbox Pro server locally. We're getting sick of the licensing fees and terrible community support and are considering migrating to something like FreePBX. I see that ...
0
votes
1answer
152 views
Off-site voip phone locking up, and I suspect firewall issues at the remote site
My Aastra 6757i off-site voip phone locks up periodically, and I want to rule out a networking problem. Most of the time calls work fine, both placed and received calls. But sometimes the voip call ...
-2
votes
1answer
87 views
Asterisk - which protocol/technology is using? [closed]
Asterisk installed on Linux server by other admin.
I am trying to find out which communication protocol/technology is currently using on Asterisk? Eg: isdn, voip, acd, etc. I dont know which one is ...
0
votes
1answer
575 views
Sip configuration for Elastix, for Terrasip (Provider) with Multiple DIDs
I have just purchased several DIDs with Terrasip I have configured my Elastix (freepbx) SIP trunk according to their suggestion:
Please follow this template configuration. (valid for outbound/inbound ...
1
vote
1answer
232 views
Microsoft Lync and Avaya PBX system
I am a complete beginner concercing Microsoft Lync and PBX systems, so please bear with me.
I have set up a Lync standard server which is running fine. We can chat/audio & video conference on our ...
0
votes
2answers
163 views
Routing in OpenSIPS
How to modify under OpenSIPS1.6.4 the default routing to switch the From: field in every instance of incoming SIP packets to a predefined string? According to the documentation the $fd pseudovariable ...
6
votes
4answers
384 views
VoIP PBX, custom build or appliance?
I'm looking for advices regarding VoIP products. I need to build an in-house VoIP PBX for one of my company's office, and while I'm fairly sure we will go with Asterisk (still leaving the door open to ...
1
vote
2answers
89 views
Software/Hardware used to build Virtual PBX Like Systems
I work for a large web site design and hosting firm. We are planning to introduce a suite of SEO services.
I have been given an interesting task as part of the development effort. The goal is to ...
0
votes
2answers
709 views
Lync Server 2010 with Hosted VoIP PBX
We just deployed Lync Server 2010 in our organization and it is working great so far.
The next step for us is to enable enterprise voice so that we can replace our telephones with service that is ...
0
votes
1answer
393 views
What is PBX in a Flash's default root password if you did an automated install?
I'm stuck! The answer is somewhere out there on the web (I used to have it!) but I can't seem to find it now in my moment of need!
0
votes
1answer
345 views
Asterisk debug dialplan with incoming number and callerid
How to debug dialplan with incoming CallerID ?
im haveing context [pstn] with incoming _1000 number and
CallerID = 123123123 ("external number of calling person")
How can i locally check this ...
0
votes
1answer
151 views
VoIP PBX dilemma
Our phones are currently provided through a local hosted VoIP company and it isn't working all that great. As a result, we have decided to move to a local PBX server and bring a few PSTN lines to our ...
0
votes
1answer
310 views
Connection problem between PC and PBX machine
Hi
I encountered the error message “Error Opening Com Port” on PC. That PC is used for PBX System and PBX (Panasonic Digital Super Hybrid System KX-TD500 version 2.5) uses RS 232 serial interface for ...
0
votes
2answers
616 views
It is possible to set up an Asterisk PBX running on EC2 and have reliable call quality?
There is an EC2 kernel with a 1000Hz clock, which I have successfully used to set up Asterisk etc already, but I am wondering if other issues (e.g. transit from London to Dublin to London- our current ...
0
votes
1answer
125 views
SMB IP PBX system guide
we're a small but expanding service provider and currently still have a rather old Nortel PBX system which either lacks some of the features I'd like to see or is impossible to configure without ...
0
votes
2answers
393 views
What is a fairly accepted endpoints to concurrent calls ratio for a PBX?
Hey guys! Not too positive about the relevance of this question to Server Fault, but I'll let you guys poke around at it anyway. :)
I'm trying to figure out what an accepted ratio of endpoints to ...
0
votes
2answers
550 views
Call Accounting software to read SMDR data from a PBX machine
I need to develop a system that will read SMDR data from a PBX machine. I need a basic Idea about the PBX standard in which it provide data to external user connecting that on a PC. I have few ...
1
vote
3answers
135 views
centrally administered voip solution for multi-office company
I've been playing with VoIP IP PBX solutions for a few months, but I'm trying to find a solution that will allow for the following:
An IP PBX based in a data centre
(where SIP trunks will ...
2
votes
5answers
3k views
Can Lync server be used as a PBX?
I've seen several brief articles on the Microsoft Lync server (formerly Office Communications Server) that talk about replacing PBX's, but in reading some press releases and websites I'm not finding ...
0
votes
1answer
95 views
Unlimited VOIP Phone Numbers?
Sorry, by VOIP confirmation server, I mean a VOIP PBX server that provides a verbal confirmation service to people; The script will branch based on ANI and DNIS information to an automated setup. That ...
1
vote
1answer
214 views
Asterisk server for unlimited cell phone calling?
Does anyone know if Asterisk server can do the following?
I have 10 freelance programmers each working from a different city, each with their own cell phone. I want to have one business phone number ...
0
votes
2answers
237 views
In laymen terms, what is PBX or Asterisk server?
I'm trying to understand what a PBX or Asterisk server is. I don't understand the explanations I've found on websites via Google or wikipedia because they use too many technology words I'm unfamiliar ...
2
votes
3answers
2k views
Unregister SIP UAC message
I've looked so much on the internet, but I could not find a any SIP Unregister example, and when I search RFC 3261,3665 the word does not even appear, perhaps I'm searching for the wrong phrase. I ...
2
votes
1answer
182 views
Router gets disconnected once I terminate my SIP application
Here is an interesting one, I have a SIP VoIP application which is able to register to the PBX server, and I can invite and see the user call on the callee end receiving an Invite, and on the caller ...
2
votes
5answers
216 views
Considerations for a business looking to transition from PSTN to IP Telephony
Full disclosure - This is related to a homework assignment question. I am not asking you to do my work for me, I am merely looking for some pointers and considerations to direct me in my further ...