Telephony is the science of translating sound into electrical signals, transmitting them, and then converting them back to sound; that is, the science of telephones. The term is used frequently to refer to computer hardware and software that performs functions traditionally performed by telephone ...

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16
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5answers
361 views

What alternatives do I have for telephony if my LEC says the Central Office has an issue?

In our New York office we've been waiting for almost a month for Verizon Business to repair a problem at our local CO. They keep saying that the damage from Hurricane Sandy was so extensive that they ...
7
votes
3answers
655 views

What are some potential uses of Asterisk (PBX) for a “power user”

So I read a lot of good things about Asterisk. I am not however looking to run a call center or small business setup. I am still interested what potential uses it has for me as a "power user" and ...
5
votes
2answers
1k views

How should I structure a VoIP phone system?

I'm going to be setting up VoIP for a small business that is expected to grow rapidly. I don't really understand much about VoIP other than it's a telephone system that works over a regular network ...
3
votes
3answers
204 views

Send emails to phone as phone calls

I have automated monitoring systems running on servers. These successfully send out emails on a great variety of server conditions. My issue is that if a server problem happens in the middle of the ...
3
votes
1answer
140 views

Does anyone know a good Website comparing all the PBX/IP telephone solutions?

I'm looking for a good website dressing a comparative analysis of the most popular telephony solutions resellers (Cisco, Avaya, Siemens, Microsoft, etc...). I already found a very nice work comparing ...
3
votes
3answers
252 views

Cheap VoIP Phone Recommendation [closed]

I'm looking for an inexpensive corded VoIP phone for my home office that supports SIP. I've been using an old Cisco 7905G with SIP firmware but I'm concerned about security considering that it's ...
2
votes
8answers
2k views

Monitor outgoing calls on Panasonic PBX [closed]

As system administrator I need to maintain a PBX (telephone exchange systems) in our company. Now I need to show management statistics of outgoing calls through the PBX so they can control users and ...
2
votes
2answers
391 views

VOIP Codec Preference

Do any of you have a preferred codec for VOIP traffic? I guess this is another case where the answer varies depending on use case, equipment, topology, etc... I'm trying to find an optimal codec to ...
2
votes
3answers
519 views

How to add more incoming/outgoing lines capability to Asterisk?

We have 4 people call us from around the country at once and it causes our phones to be busy. We want to be able to have at least 8 people call us at once without anyone getting the busy signal. ...
2
votes
2answers
123 views

Asterisk Environment

I'm interested in building a small Asterisk environment to explore Asterisk. I understand that these are multiple questions, but considering how closely related these are to each other, I decided to ...
2
votes
5answers
291 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 ...
2
votes
3answers
322 views

Which smartphone OS would you choose for your users?

While we currently only use windows mobile smartphone, my boss seems less and less reluctant to try and choose a new kind of OS for our users corporate phones. For some reasons, we can't use a ...
2
votes
2answers
1k views

NetSuite / Telephony Integration

Do we have any NetSuite users out here? I have a customer looking to integrate their NetSuite CRM contacts with a yet-to-be-purchased small-biz VOIP telephony system. There are only a couple users ...
2
votes
1answer
470 views

Why does asterisk (and other systems) feel the need to regenerate in-call DTMF?

I am using Asterisk to interact with analog telephony devices that can be programmed and tested with DTMF interaction. Some of these guys speak rather quickly. Too quickly, you could convincingly ...
2
votes
1answer
144 views

Moving from Analogue PBX to digital VoIP?

I don't even know if this belongs here?. If not, do let me know. So we have an analogue Alkatel PABX system in our little office. We have extensions, direct lines and PBX lines. We are trying to ...
2
votes
1answer
138 views

telephony + exchange 2010 (unified messaging)

ok i am a complete n00b when it comes to telephony ... i was wondering we are beginning to play with exchange 2010 in the office ... How can i connect a telephone line into the server? so we can ring ...
1
vote
4answers
197 views

Installing new switch, what is this box?

my friend has asked me to come and install a new switch he bought. The top two panels are just the panels that connect to the cabling throughout the floor. The third panel is the switch which I'm ...
1
vote
1answer
162 views

How to add a user who is out of state as if they were just another extension AT our office? [closed]

We want to add a person who is in another state to our phone system as though they were simply in another cubicle here at the office. So, they can dial "302" and get the office assistant's extension ...
1
vote
2answers
117 views

Recommended FXO Gateway for UK analogue lines

Can anybody recommend any FXO gateway devices to connect analogue telephone lines to an Asterisk VoIP system. Requirements: Minimum of 4 ports. Enterprise grade - quality is more important than ...
1
vote
1answer
76 views

Which one VoIP SIP audio codec should I choose to high quality calls?

The quality of VoIP calls depends on the codec used for the transmission and on the bandwidth of Internet connection. I want to use best optimized codec for my Internet connection. I have to select ...
1
vote
1answer
406 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 ...
1
vote
2answers
119 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 ...
1
vote
2answers
360 views

Exchange Unified Messaging with legacy PBX

My organization (2 locations, one with ~100 employees and one with ~30) has been considering switching from an analog PBX phone system to a VOIP solution, but it's looking like the cost may be too ...
1
vote
1answer
33 views

Unable to port phone numbers

I have some limited experience in telco, and have done number porting in a business environment before. I have a fairly large number of DIDs with a local telco provider that we use for inbound faxes. ...
1
vote
1answer
68 views

Is there a way to get an “extension board” for a Polycom IP6000 phone? [closed]

I don't see any for sale, but is there a way to get one hooked up to it? Basically, I need 15+ speed dials. Something like this would be great, but for the Polycom instead of Grandstream: ...
1
vote
2answers
345 views

Separate VoIP telephony and computer network - or not?

We have a PBX server (also connected to the internet) and all VoIP devices currently (early stages of deployment) set up on a network that is phsyically separate from the main computer network. As ...
1
vote
3answers
70 views

Does anyone provide a Skype connection service?

Is there a way of offering Skype access to incoming calls while keeping all telephony traffic over our chosen business telephony provision? Is there a 3rd party who can route incoming Skype calls to ...
1
vote
2answers
1k views

FreePBX: Asterisk in the Cloud (EC2) Audio Problems

Please pardon the newbie question, but I can't seem to figure this out. I followed Voxilla's tutorial to the tee. But in making calls, my softphones connect, yet no audio (in either direction). I ...
1
vote
2answers
329 views

Voice patch panel wired to outer pair

Our Intertel phone system uses an unusual wiring scheme at the phone by using the outer pair (pins 2 and 5) of wires on a phone jack. I am looking for anyone that knows of a vendor that sells 24 port ...
1
vote
2answers
597 views

Cisco phone system auto attendant dial-by-name feature cannot find one particular person

There is one individual here whose name cannot be found when a caller uses the "dial-by-name" function in the auto attendant of our Cisco Unified Communications phone system. As far as I can tell ...
1
vote
0answers
60 views

Asterisk dialog destruction on attended transfer timeout

Steps to replicate: Alice receives incoming call from Eve (either from external line or another extension, doesn't matter). Alice makes attended transfer to Bob and hangs up before Bob answers. Bob ...
1
vote
0answers
116 views

Cisco VoIP telephony - Can't save Night Service Bell Configuration

When trying to save "Night Service Bell Configuration" settings under Cisco Unified Communications Manager Express the following error message pops up. Configuration change failed. Please report the ...
1
vote
1answer
1k views

Accept calls on external cell phones - FreePBX Distro

We installed FreePBX distro last week and configured it so that when someone calls in, it goes to all the phones so someone here can answer the call. After trying all the internal extensions, it ...
1
vote
1answer
284 views

Local Call Classification in CDR records from Cisco CallManager

I am trying to analyze our telephone usage to evaluate our phone plan with our PRI provider. I have enabled CDR records within Call Manager and am able to generate "Gateway Summary" reports which ...
1
vote
1answer
274 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 ...
1
vote
1answer
595 views

Asterisk call failure timeout

I am using Asterisk and there seems to be a problem with the delay that the server answers a call. What actually happens is that the caller hears a busy tone and then hangs up, but a channel is opened ...
0
votes
2answers
302 views

How do you set up speed dial on Polycom IP6000 phones?

Basically I would like speed dial on this so I can press 1 and it will dial 101 AND I can press 2 and it will dial 555-555-5555. Is there a way to do this?
0
votes
2answers
113 views

Asterisk call should be with peer, but gets trapped and stays local

I'm working with Asterisk and Vicidial, trying to place outbound calls through a SIP "trunking" provider. The calls never connect, instead I hear either demo-instruct.gsm or invalid.gsm playing from ...
0
votes
1answer
294 views

Is it a bad idea to run voice and data over the same bonded T1?

Currently we have a T1 which we use for both our voice and data. We are looking at getting a bonded T1 but have been told by the provider that it would be a bad idea to run both voice and data on a ...
0
votes
1answer
11 views

Does SIP offer a mechanism to initiate a stream and returning an error?

Imagine you are browsing to a HTTP URL that does not exists. You'll get a 404 which often contains an explanatory body. Now imagine you are calling someone using VoIP with SIP and use a non-existent ...
0
votes
1answer
97 views

Which handsets work with IP DECT base?

My workplace uses an Ascom IP DECT base station (IPBS1), and Ascom handsets as well. We're looking to replace some broken handsets; the ones by Ascom, however, are rather expensive, and we're not ...
0
votes
2answers
137 views

Can a “4 line” Grandstream GXP 2000 handle 8 lines?

We have a whole bunch of GXP 2000 phones here but now we're growing too big for just 4 incoming lines. We use Trixbox (asterisk) for the phone system with 4 analog lines coming into a Dell server. ...
0
votes
1answer
154 views

Lync 2010 Standard Server Collocation

I'm planning out a new Lync 2010 deployment (mixed with Office 365 E4, completely replacing a legacy PBX system), and am getting a bit confused with some of the docs that MS provides. The company I'm ...
0
votes
1answer
1k views

How to pass/process extension numbers while calling Freeswitch from outside SIP gateway?

Suppose I have Freeswitch, which has SIP gateway configured. So, the local users of this Freeswitch can call outside via <extension name="russia"> <condition field="destination_number" ...
0
votes
1answer
112 views

How to segregate network devices between several T1s and a Cable connection?

So, I'm working on setting up a call center. Our outbound calls will be going to an off-site dialer so they'll be going over the internet as data (VoIP?). Then we have our customer service department, ...
0
votes
2answers
169 views

NGN detection with Asterisk PBX

Is it possible to detect if a NGN (Non Geographic Number, e.g. 0844, 0845, 0870 etc) number has been used to connect to an Asterisk PBX? Thanks in advance. Kyle
0
votes
1answer
86 views

Power supply specs for an Avaya 4624IP VoIP Handset?

I've got an Avaya 4624 IP VoiP phone that I've ordered a power supply for, but it's still likely a week away, and I'd like to test now. I can't find the power requirements anywhere. I was hoping ...
0
votes
3answers
145 views

Voice / data connections between 2 portacabins ~50m apart

Our business is taking over some new premises (currently housing multiple companies) and for at least the first year will be operating out of a pair of portacabins, around 50 metres apart. Users in ...
0
votes
1answer
113 views

Dial-A-Something Service on Generic Hosted Machine

I would like to set up a phone service that provides automated information to users who dial a number on an ordinary telephone - think "Dial-A-Joke" or something similar ("press 1 for this, press 2 ...
0
votes
1answer
34 views

how do I route Asterisk dials from serverA to serverB?

I'm trying to make an Asterisk server connect to a SIP provider (which offers PSTN origination and termination). I've been reading the great Definitive Guide, but am having a conceptual problem with ...