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16
votes
4answers
337 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 ...
3
votes
2answers
226 views

How ITU G.9954 Ethernet Over Coaxial Network (EoCNA) interacts with Cable TV signal boosters?

I didn't found the proper forum - so move the question if you find a better place for it. We have 10 houses scattered in the area 500 meters in diameter, and have a tiny DIY CATV network providing ...
2
votes
2answers
293 views

Cisco Serial vs T1/E1

I have a router and I have the chance to receive the WAN connection either from a Serial port (Smart Serial) or T1/E1. I have both cards for Serial and E1/T1 interfaces. I really don't know what are ...
5
votes
1answer
2k views

Tracking Avaya call volume via SNMP?

Our company uses an Avaya IPOffice system. We're relatively light on our call volume, but I'd really like to know where our peaks and valleys are. Is it possible to track call usage on the Avaya ...
0
votes
1answer
308 views

AT&T OPT-E-MAN fiber port: CIR versus Excess?

When using AT&T's OPT-E-MAN service over fiber, is the EIR (Excess Information Rate) potentially much higher than the CIR (Committed Information Rate)? The OPT-E-MAN service plans have CIRs ...
0
votes
4answers
128 views

How is frequency multiplexing implemented?

How is frequency multiplexing implemented? I understand that in time division multiplexing the feed of each channel just uses its own time interval for sending out data over the same medium. But how ...
2
votes
2answers
990 views

Free Software Simulators for SS7, ISDN, SIP, etc., Telecom Protocols

I am learning Protocols where I have major use of Media Gateway Controllers, Media Gateway, PSTN N/w, VOIP N/w. Calls getting gatewayed from one node to another. Kindly help me in finding out some ...
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 ...
2
votes
4answers
175 views

Obtaining local telephone numbers in the U.S. and worldwide over VoIP/SIP

We have a need to obtain local numbers throughout the U.S. and worldwide terminated at our US headquarters. It looks like this service is only available when using Voice over IP due to regulations on ...