Questions tagged [telephony]

Telephony is the term for voice communication over distances.

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14 views

Max length of analog telephone cable, and max number analog telephone points on one analog phone line? [closed]

Im doing a network install to a project and as part of this they want 1x analog phone line in, and 10x analog phone points. These are to be 9x "slave" points and 1x "master" point. ...
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how to view content of text encoded mms

I've receive mms with photo with program that can only read sms's. It have following form: 008184af848d01008c82983174696434383636303734363531355f303530306f3272623433 How can I view it's content? Is ...
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1answer
97 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 ...
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1answer
162 views

How to place and receive phone calls on Debian?

I have a 4G modem with a valid SIM card on a Debian PC. The WWAN card is a Fibocom L850GL provided by Lenovo on a new X1C7. I have modem-manager-gui and I can send and receive SMS with it. How can ...
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257 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 ...
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1answer
32 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#...
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15 views

IP intercom across two networks

I need my 2N IP intercom to ring phones across two different networks. NetworkA is 10.1.10.x and has a switch NetworkB is 17.148.17.x and has a switch Someone said I should buy a router to ...
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358 views

Can Hardwired Telephone Lines be used to Extend a DSL Connection?

My current configuration has what appears to be an RJ11 connection going from the wall jack directly to my DSL modem. Here is a picture of the faceplate; the blue jack is the phone line and the green ...
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35 views

ROUTERS and SIP TELEPHONE

I have just installed a new router with enhanced firewall and wireless capabilities. The new router does not have a DECT port, the unit from my ISP does, so I'm looking to interconnect the two to ...
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1answer
112 views

Initiating a DTLS connection

I am running a Janus WebRTC gateway on a Windows 10 Professional computer. Using this gateway I am calling a soft phone (Xlite) in our LAN from a Firefox browser (on Microsoft Azure virtual machine). ...
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2answers
571 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 ...
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2answers
306 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 ...
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2k 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 ...
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1answer
953 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 ...
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2answers
579 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 ...
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1answer
520 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 ...
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1answer
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 ...
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1answer
446 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 ...
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245 views

Make a phone number ring for some time using a 56KB modem

we have an old modem model US Robotics Sportster Flash and we'd need to use it to open a door in our organization, by making a phone call to an internal number (say, 101). We are running on an Ubuntu ...
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2answers
168 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 ...
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3answers
2k views

Cant connect to the router/Connection refused

I found today my older router "FritzBox" (Fon Wlan 7390). I searched the web for some things i could do with my router, then I found that I can use it with my new newer "Fritzbox" and use the old as ...
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3answers
488 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 ...
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1answer
303 views

Do I really have a telephone-only cord connected to my RJ-45 jack?

I recently purchased an end table that comes two electrical outlets and an RJ-45 jack. The RJ-45 jack came wired with a cable I am having trouble identifying. The markings say E170689 AWM STYLE ...
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1answer
346 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 ...
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1answer
893 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 ...
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1answer
634 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. ...
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1answer
87 views

SIP forwarding via DNS. Possible?

Let's say I have an address sip:john.doe@example.com that I would like to use for Internet calls, but my SIP provider is Callcentric and I need to route such calls to sip:17775551234@callcentric.com. ...
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1answer
60 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 ...
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1answer
455 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 ...
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2answers
8k 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 ...
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1answer
35k views

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 ...
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4answers
9k 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 ...
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1answer
247 views

Asterisk / Digium card / FreePBX : how to define on which inbound port I want to connect the telephony line on my 4-ports telephony card?

I am a newbie with Asterisk. I have a 4-ports Digium telephony card. I connected my analogic telephony line to one of these 4 ports. I have set up an IVR thanks to the FreePBX interface. I have set ...
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1answer
8k views

Is RJ12 downwards compatible with RJ11?

If I would use a RJ12 (6P6C) cable on a RJ11 (6P4C/6P2C) connector, would that work?
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2answers
1k 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 ...
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1answer
46 views

Routing calls to a mobile phone with a Mi-Fi?

I am traveling to the U.S. soon & I am planning to buy a Mi-Fi and a prepaid SIM with a voice and data plan being included. So, besides using the Mi-Fi as wireless data access point to which ...
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1answer
776 views

Outlook asks me to enter area code when editing telephone numbers in contacts

I’m keeping my Hotmail contacts synchronised with my phone. However if i try to edit the phone number in Outlook 2007 on my PC, i get the following dialog box: Sorry for Polish language, this ...
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1answer
696 views

how to record normal/PSTN calls using asterisk

i want to recording incoming calls and outgoing calls using asterisk. when i make a call from my mobile phone with a custom dialer. my calls will not be a voice calls i.e. Voice over ip , that will be ...
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1answer
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 ...
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2answers
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 ...
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1answer
296 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 ...
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2answers
5k views

How can I get the phone number from a computer modem?

On Windows 7 x64, Device Manager detect my modem as HDAUDIO Soft Data Fax Modem with SmartCP, I would like to know if I can connect the landline to my modem port, and when there is a call, grab the ...
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1answer
337 views

Asterisk replacement for multi-line/multi-phone/all ring Nortel system?

I'm trying to replace an aging Nortel phone system with an Asterisk based system. The existing system work something like this: Phone 1- -Line 1 Phone 2-- --Line 2 Phone 3-...
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1answer
526 views

Can Windows XP Mode access the telephone port on a computer? [closed]

I would like to use my Windows 7 PC as a telephone. I know of an undocumented feature called Phone Dialer (C:\Windows\System32\dialer.exe), but the interface of it is quite minimalistic and does not ...
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1answer
3k 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 ...
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1answer
1k views

Do i need connect router to master socket?

I have multiple telephone sockets in my house. When I connected router to master socket, everything is ok, but when I connected it to any other socket my internet is around 2.5 times slower. Is it ...
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2answers
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?
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2answers
59 views

Fax and Analogue phone on a single phone number [closed]

How does this work? If I have a single phone line, say 0207223333 and on the line I have a BT splitter with an analogue phone and a fax connected. If I was then to dial that number, how would it ...
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3answers
843 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?
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2answers
666 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 ...