[asterisk-biz] Anyone experienced in cable telephony?

[Alex Balashov]

The exception is funky voice-over-RF stuff.

You don't want to do that.  It wouldn't work with Asterisk anyway.  And 
it's a pointless waste of time.

Alex Balashov wrote:

> C. Savinovich wrote:
> 
>> Thank you all for your replies.  But here is the dumb question: I have 
>> never
>> seen how the coaxial cable used for cable TV ends up on a provider's 
>> rack.
>> Can anybody describe me (as if I was looking at a picture) how a whole 
>> bunch
>> of round coaxial cabling can come into a room and end up in an 
>> Asterisk PBX
>> providing telephony... I suppose the coaxial cables just end up in 
>> routers
>> with coaxial ports, and then, it is just a network like any other 
>> network...
>> or isn't it?...is there anything I am not taking into consideration??
> 
> No coax goes into Asterisk.  Coax is just part of the network build-out 
> on the last mile for delivering IP to the customer.  HFC is the 
> technology that bridges Ethernet over to a head-end UBR or similar piece 
> of broadband aggregation equipment over CATV and/or digital.
> 
> Imagine that you have an Asterisk PBX colocated somewhere and have a 
> VoIP handset at home on your DSL connection.  The "DSL" part of the 
> equation doesn't touch either your phone or the PBX per se;  it's just a 
> piece of the abstraction layer and mesh of networks, administrative 
> domains and physical-layer technologies that deliver IP from Asterisk to 
> you.
> 
> Coax is the same way.
> 


-- 
Alex Balashov
Evariste Systems
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