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 equipment. For example, telephony software can combine with your modem to turn your computer into a sophisticated answering service.
Questions tagged [telephony]
68 questions
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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
Kyle Hudson
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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 bonded T1 (Multilink PPP) and that we should…
Nate Pinchot
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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 someone reading this might have a power brick to…
Matt Simmons
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PSTN and Internet
Where Is Physical Wires Exist for Internet Is It Using PSTN Wires for Transferring Data? If both are different network then How Telecom Companies Are Providing Internet Facility?
bhasker pratap singh
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cell phone extender for iphones
I need to boost the cell phone signal into a basement office. We are in a fringe area of the AT&T network, and can usually get two bars outside, but zero bars in the below grade offices.
Anyone have opinions on any of these devices (or something…
EJB
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1 answer
Why are phone companies doing away with unlimited data?
I've noticed that both Verizon, and AT&T, being the 2 largest phone companies in the US have done away with unlimited data, while smaller companies, such as sprint and Tmobile have not.
This made me wonder whether the reason was actually because of…
Ephraim
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1 answer
Design network with redundancy
I need to build a redundant solution for my company. The idea is to have internet provided by two different ISP in order that if one link goes down the other link will take over.
This should be done for both Internet and telephony with ISDN.
I would…
MixturaDementiae
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What is the vendor-neutral term for internet telephone service?
Plug in phone to wall with ethernet cable
Someone calls a phone number
Your phone rings
What is the correct, vendor-neutral term for this service?
Unfortunately different vendors call this same service many different things. I would like to know…
William Entriken
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