Questions tagged [telephony]

Telephony is the term for voice communication over distances.

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Possible to use Bluetooth headset in Stereo mode with Mic?

Okay, so I have this bluetooth headset (it's a Skullcandy Hesh 2 Wireless). I want to use it with my PC which is running Windows 8.1. I can pair it just fine. After pairing it adds three devices under ...
Jariullah Safi's user avatar
33 votes
4 answers
11k views

How to use a Linux system as a land phone

I have a land line connection. I would like to receive and make calls using my computer. It is a basic land line connection which also provides broadband internet. I am not asking about VoIP. I ...
Indra's user avatar
  • 430
13 votes
6 answers
168k views

Convert home phone wiring to Ethernet

Can I convert phone wiring in walls to act as only Ethernet network because the phone wiring is not in use and not connected to the phone company so there is no voltage in the wires I remove the ...
user avatar
10 votes
2 answers
3k views

How significant is PSTN (POTS?) today? [closed]

This question comes from a guy (from Europe) which really needs some insight here, as this topic was really confusing for me (everybody explained it differently, this was wrong, this was right, then ...
watchme's user avatar
  • 261
8 votes
2 answers
22k views

Why are the numbers on keyboard numpads are not arranged like ATM or phone keypads? [closed]

Why did designers not arrange the numbers on numpads like ATM or phone keypads? I mean, 7 8 9 - 4 5 6 - 1 2 3 - 0 vs. 1 2 3 - 4 5 6 - 7 8 9 - 0. Does human brain work the reverse way when working ...
Mehper C. Palavuzlar's user avatar
4 votes
5 answers
353 views

Teleconference between three or more people on Skype

Skype is great for 2-way video conferencing, but for my work I need to be able to patch in more than two people to the video conference. Is it possible to hook up three or more people into a Skype ...
Shaul Behr's user avatar
  • 1,457
4 votes
2 answers
17k views

UTP cable for telephone line possible?

One of my customers has build a new house with pre-installed cables for internet. The only thing he didn't think about was installing a cable for his telephone line. Behind his desk, he has a "spare" ...
Chris's user avatar
  • 1,123
4 votes
2 answers
9k views

Should fax machines use a DSL filter?

I have heard DSL prevents some items that use phone lines from functioning properly, such as home alarms. First of all, is it possible to use a fax machine on the same line as a DSL modem and ...
IQAndreas's user avatar
  • 3,947
4 votes
2 answers
3k views

PC Phone Modem Software

I'm looking for a piece of software that will let me hook a phone line up to my PC Modem and place calls over it using my mic and computer speakers. Does anyone have any experience with anything like ...
darthg8r's user avatar
  • 239
4 votes
0 answers
1k views

How to use a Windows 10 computer to make and receive POTS/PSTN phone calls in 2019?

I would like to connect a PSTN/POTS, RJ11 (or RJ12) cable to a device and connect that device to a Windows 10 USB receptacle. I would like to be able to make and receive phone calls using the default ...
Luke Bayes's user avatar
3 votes
1 answer
4k views

Force firefox to open pages in a specific tab using command line

Here's the challenge: I developed Softphone Screenpop PHP App that takes caller id info and searches for a match in our db, also allows us to collect call statistics. Great for our management but it's ...
mikey1980's user avatar
  • 173
3 votes
2 answers
6k views

What are some good microphones or speakerphones for large conference calls with Skype [closed]

I frequently conduct conference calls with 5–15 people in a large conference room, and 1–5 people on a conference line. Lately, in the summer with the AC blasting, no one can hear anything. I tried ...
Avi Flax's user avatar
  • 366
3 votes
1 answer
730 views

tel: tag in chrome (mac os x) opens facetime, but in gmail it opens hangouts, how to make it open hangouts everywhere?

There is a discussion about the handler of the tel tag here: https://productforums.google.com/forum/#!topic/hangouts/ItliGvezjdM However, no solution was proposed to make hangouts handle all such ...
johnshen64's user avatar
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2 votes
1 answer
4k views

Unable to dial 0800 numbers since Skype prepends country code

I've being trying to use Skype (version 6.9.0.106) to make a Brazilian tollfree call but it is unable to complete since Skype prepends Brazilian country code to the dialed number. I'm dialing 0800 ...
douglaslps's user avatar
  • 1,458
2 votes
3 answers
928 views

What is the difference between VOIP and Internet Telephony?

These terms are often used interchangeably. Is there any difference the two terms, or is one of the terms subset of another?
user210053's user avatar
2 votes
1 answer
5k views

program to dial land phone, enter password and record?

is there a program for Windows (or linux command line) platform that would do below from a command line? call a land phone number (using my SIP account) enter password record the call finishes after ...
Radek's user avatar
  • 3,084
2 votes
1 answer
7k views

software to automatically record telephone calls (landline) [closed]

I'm looking for some software which will record all calls made or received on my landline telephone. Any suggestions? I want to keep a record of all calls saved on my computer as MP3 or some other ...
Mark Jones's user avatar
2 votes
1 answer
1k views

Internal calls issues asterisk vicidial

I have just installed new Vicidial v7.0.3 on an i7 12 GB Ram pc I have completed all steps in the installation including OS-install, network configuration, Firewall set to internal on one of the ...
user313162's user avatar
2 votes
1 answer
317 views

Can I set up a PBX server to make calling features that otherwise I need to pay? [closed]

I have a traditional home phone line from my local telephone company. I subscribe to a few calling features, such as call display, call waiting, visual call waiting, voice mall, etc. Call features are ...
Minghui Yu's user avatar
2 votes
1 answer
93 views

Book for understanding Internet Telephony?

I'm a developer, system/network administrator, and I'm very familiar in setting up internet services such as Apache, BIND, SSH, etc. but what I'm entirely new to is telephony. Is there a book or guide ...
Naftuli Kay's user avatar
  • 9,621
2 votes
0 answers
112 views

Telephone Server, Telephones, Printers, PCs & Servers on Individual VLAN's, DHCP clashing

As a requirement for being taken over by a corporation we have been asked to stop using a firewall (Juniper SSG-140) to separate our telephone system from the main LAN. Our idea, VLANs. With some ...
mukw059's user avatar
  • 21
1 vote
2 answers
1k views

Looking for a free VOIP solution using RJ11 PCIe card [closed]

After long hours and several days of diving layers deep through links from google searches, I've decided I just don't understand a lot of what is said about a lot of these "solutions". I don't know ...
Veritan's user avatar
  • 31
1 vote
1 answer
5k views

How to use Asterisk build a telephony system with one land line and two cell phone numbers? [closed]

I think I am on the same boat like many others: My family has a land line from my local telephony company and we have two cell phones (lines) as well. We live in a two-story home. I am considering ...
Minghui Yu's user avatar
1 vote
2 answers
3k views

Can you have Fax and ADSL on one line?

I have one phone line, with an ADSL connection on there. If I plug a fax machine into the filter, will it kick me off the Internet when a fax is sent or received?
PnP's user avatar
  • 953
1 vote
1 answer
439 views

Routing desk phone through computer [closed]

Is there a device into which I could plug a line from the telephone socket in the wall, and then a second port that I can connect to my desk phone? Then, using software, I could place calls, see ...
Gausie's user avatar
  • 251
1 vote
3 answers
1k views

How to monitor phone calls from computer?

Is it possible to monitor,record,block,etc phone calls of my home telephone from my computer? I really need this kind of thing because im getting calls from bad people
naz's user avatar
  • 13
1 vote
1 answer
7k views

"dialer.exe" in windows 7

I'm having trouble answering phone calls with dialer.exe. There seems to be no option to answer an incoming call. I am using a windows 7 netbook with modem addon in israel and trying to accept ...
user1015230's user avatar
1 vote
2 answers
9k views

How to set up personal VoIP server?

I'm looking to run my own VoIP server so I can make and record calls and the like. I need to basically bind a phone number to the server and me able to call it and use it as a regular phone. I'm new ...
Naftuli Kay's user avatar
  • 9,621
1 vote
3 answers
2k views

Internet vs. telephone cable. How can I tell them apart? Which of them is this one? [closed]

I have found a cable in a wall. I think that it is a telephone cable (the building is quite old). Is there a way to specify by the colors and wire count, what cable it is? I'm very sorry for my ...
jenda's user avatar
  • 113
1 vote
1 answer
904 views

General mask for a telephone number?

I'm making a web form and wanted to have a general template for a phone number. In my experience every phone number might be represented in 13-digits format: xxx-xxx-xxx-xxxx. For example the country ...
Adobe's user avatar
  • 2,759
1 vote
2 answers
1k views

How to set up a home SIP Server/Proxy for multi ring?

I have a sip account which only allows one device to be registered. When i'm at home I want incoming calls to be able to ring on multiple devices. All of these devices are connected to the local ...
zio's user avatar
  • 125
1 vote
2 answers
6k views

How to build IVR with usb modem using asterisk?

I have a USB 3g modem, which also supports voice calling, I want to implement IVR ( Interactive Voice response) with it on linux, Can I do it with Asterisk? If yes, then please help me on how to do ...
SunnyShah's user avatar
  • 247
1 vote
2 answers
601 views

How do I know if a regular handset will work with VoIP?

I'm looking into this VoIP stuff and I'm awefully confused. There must be a million options. When reading about any given solution, how do I know if it'll allow me to use a regular handset rather than ...
user avatar
1 vote
2 answers
59 views

Unable to Ping Voice Servers Provided by ISP

I am using a Nokia ONT G-2425G-A router, with an Airtel home subscription in India. The ISP provides Internet access as well as a VoIP connection. It works by attaching a physical telephone to the ...
GreenFish's user avatar
1 vote
2 answers
1k views

Converting a P.O.T.S line to VoIP and simultaneously ringing a extension over VPN

Anyone with knowledge please help. I have analog phone service + internet at SITE 1. I only have internet service at SITE 2. When the phone rings at SITE 1 I would like the PC or an attached phone ...
GizzyBear's user avatar
1 vote
2 answers
253 views

VOIP virtual numbers

I recently purchased a virtual number which is similiar to local landline number provided by my local provider. how voip provider can provide virtual numbers over VOIP? Do they have contract with ...
Dshah's user avatar
  • 111
1 vote
1 answer
381 views

VPN connection problems regarding plex media server and voice over IP

I have a home server - running Debian Jessie and plex media server. My router (fritzbox) allows all smartphones in my LAN to receive incoming landline calls (due to a certain app). This part works ...
Thassilo's user avatar
  • 121
1 vote
1 answer
1k views

New modem/router doesn't allow VoIP going through

Before I bought my new Netgear D7800, I had a Fritzbox 7490 provided by my swiss ISP Sunrise (see image case A). It does all tasks : modem, router, connects landline phone to be used as IP phone. ...
Kriegalex's user avatar
  • 111
1 vote
2 answers
789 views

2 DHCP servers on the same network

Riddle me this: A BT Quantum Phone system has a built in web server for administration and configuration. However it also contains a DHCP server that cannot be turned off and a static IP address that ...
Robin's user avatar
  • 11
0 votes
2 answers
2k views

Direct network between computers over phone line

I have two computers with modems, that are far from each other (different locations), and do not have internet acsess. I have hyperterminal, and so how would I connect the 2 machines together (with ...
user avatar
0 votes
1 answer
47 views

Is there a way I can switch on my computer or NAS with a phone call?

I would like to know if there is a way to switch on a computer or a NAS using a phone call received through a RJ11. I was thinking of sending the number followed by a password e.g. mytelnumber#...
G M's user avatar
  • 303
0 votes
2 answers
2k views

Use a raspberry pi as a POTS phone?

I would like to use a computer as a handset POTS telephone. Why? - I want to use a raspberry pi on the telephone port of an Analog Telephone Adapter (ATA) just to see if I can use it to automate ...
DaMaxContent's user avatar
0 votes
1 answer
1k views

BitTorrent interference with a landline telephone

There are still certain spots in Lancaster County, PA farmland where DSL internet is the only thing available through a wire (there's satellite, but that is a different matter). Now, DSL and a ...
JonathanDavidArndt's user avatar
0 votes
1 answer
469 views

How does G729 Codec compress down to 8kbps?

As per https://en.wikipedia.org/wiki/G.729: It has a sample frequency of 8kHz, so every second it takes 8000 Samples: Sampling frequency 8 kHz/16-bit (80 samples for 10 ms frames) It has a fixed ...
Flying Thunder's user avatar
0 votes
1 answer
3k views

If a Bluetooth device "features" Bluetooth 5, will it still pair & work with devices that only support an earlier version of Bluetooth?

If a set of earphones / headphones "features" Bluetooth 5, will they still pair and work with devices that only support an earlier version of Bluetooth? If an example product is helpful to ...
End Anti-Semitic Hate's user avatar
0 votes
1 answer
101 views

How does telephone infrastructure change with multiple phones [closed]

I am imagining the typical POTS configuration where one telephone set is connected to modem, which is connected to a phone jack inside a two-story building. The wires from the phone jack are somehow ...
Harkut's user avatar
  • 3
0 votes
1 answer
2k views

how to integrate mobile call to a chatbot using asterisk

I am developing a voice based chatbot which can call a person and have the conversation. Currently, the chatbot uses my pc mic and speaker for input and output audio. I am trying to integrate this ...
Raady's user avatar
  • 103
0 votes
1 answer
1k views

VoIP adapter for doorbell [closed]

At Network Engineering I was told that my question was off-topic there, but that I could ask it here, so here it goes... I hope that it is on-topic. Current situation At home I have a Siemens TFE/V ...
aochagavia's user avatar
0 votes
1 answer
64 views

Communicating programatically over a telecommunicating alarm

I own a Yale EasyFit alarm system which allows me to control it over a kludgy telephone interface (doc here) Here's an excerpt of how it works: Remote Access The control unit allows you to control ...
beirtipol's user avatar
  • 255
0 votes
3 answers
1k views

Difference between VOIP and IP Telephony

I am studying CCNA, and in the curriculum I found something like following... ↓↓↓ VoIP When introducing VoIP to a network that uses traditional telephones, it is important to remember that ...
Zac's user avatar
  • 99