Skip to main content

Questions tagged [telephony]

Telephony is the term for voice communication over distances.

0 votes
1 answer
98 views

Should I expect a speed increase if I change from aluminum to copper wire for VDSL2?

I've a VDSL2 service, over my existing telephone line, the line is almost 15 to 20 meters long from the demarc to my house, with an extra 10 run inside the house to the modem, this were the stats ...
Peter's user avatar
  • 11
1 vote
2 answers
118 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
0 votes
0 answers
22 views

Put extensions in some logical groups, so that only extensions that have same group can call each other in FusionPBX

I need to use FusionPBX as SIP registar (Session Initiation Protocol) or SIP server, to route SIP calls to appropriate SIP accounts (extensions). Currently every extension has possibility to call any ...
Svaba1012's user avatar
0 votes
0 answers
267 views

How to configure an IP phone in a home network

I asked a question in https://networkengineering.stackexchange.com/questions/82973/how-to-configure-an-ip-phone-in-a-home-network?noredirect=1#comment149990_82973 my ISP gave me a number with default ...
kevin david Mark's user avatar
0 votes
1 answer
556 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
1 vote
1 answer
4k 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 Antisemitic Hate's user avatar
0 votes
1 answer
698 views

How to use my TP-Link for internet and my ISP's router just for VoIP

I've just upgraded from ADSL to VDSL, at the same ISP, and with that they sent me a new modem/router and they also switched my telephone line from POTS to VoIP. I do not wish to use their modem/router ...
cherouvim's user avatar
  • 1,219
0 votes
1 answer
4k views

How to setup Outlook to use connected phone to call contacts?

I have my smartphone and and Windows 10 PC connected to the same Microsoft account. My Smartphone does show up as a connected device on the PC. I can easily initiate phone calls with the phone from ...
Gandalf's user avatar
  • 101
0 votes
1 answer
103 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
3k 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 ...
Dimitri Kopriwa's user avatar
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
0 votes
1 answer
49 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
  • 313
0 votes
0 answers
127 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 ...
MacScoe's user avatar
  • 11
0 votes
0 answers
2k 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 ...
Alexander's user avatar
  • 101
0 votes
0 answers
41 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 ...
Bill's user avatar
  • 11

15 30 50 per page
1
2 3 4 5