[Ldsoss] VOIP Service providers ... which one?

Mon May 7 19:57:01 EDT 2007

Could you define "latency"?

On 5/7/07, Paul Penrod <ppenrod at earthlink.net> wrote:
>
> Ok,
>
> Here are some considerations:
>
> Since you are 2nd in line from the actual connection, there is very little
> you can do in
> terms of QoS. If you attach a wireless router to the connection (such as a
> Linksys W54G
> and such varients) make sure you at least turn on QoS for the connections
> to the inlaws
> equipment so their computer(s) and ethernet devices do not create issues
> for the phone.
> However, the inlaws are still subject to both the neighbor's network
> traffic and traffic
> shaping (or lack of it), and the ISP's traffic shaping or lack of it.
>
> Since you want to play with wireless and cable, then you have latency
> issues that will come
> into play. Typically, most cell phones will have up to 200+ ms of latency
> built into the
> network. Hughes and WildBlue (Satellite) have 500+ ms before any extra
> hops are considered.
> If the inlaws are not used to time lag in their phone conversations (where
> you talk over people
> because they don't "respond" fast enough to one side of a conversation),
> then they will
> need to get used to this, or stick with analog.
>
> Cable connections vary with the active IP load on the branch, so
> typically, you can expect
> the worst throughput between times like 5p-9p and 7a-9a during the day. If
> you want to
> see what the connection is actually doing, you can use a sight like
> DSLSpeed to make some
> rough measurements of how the line is performing at that moment.
>
> Cable companies tend to watch their DHCP connections rather closely, so
> unless the neighbor's
> agreement allows for multiple IP connections, there may be an interruption
> in service to deal
> with at some point. YMMV with the company involved. Comcast is typically
> very aggressive
> in some locations (like CO), while others don't pursue it, as the problem
> is not enough to
> spend the money to chase. Just something to be aware of.
>
> As for faxing, there are very few companies that are willing to support
> T.38. They do allow it
> but it's mostly your on your own. AT&T does offer fax support, but I would
> look at E-911
> service support in your area very carefully before wanting to sign up, as
> AT&T has disowned
> a very large number of their VoIP customers without warning and so much as
> a "we're sorry",
> because E-911 support in their area(s) are poor to non-existent.
>
> I would start looking at people like Sun Rocket, Packet 8, Broadsoft,
> Global Linx, or QWEST.
> AT&T, with the above caveat, is also an option. Some of these providers
> have hardware they
> allow on their network and it comes as part of the package. You can also
> look at hardware
> providers like Grandstream, Linksys, Netgear, and DLink that have
> everything from ATA's
> for analog phones, to full on VoIP phones with business support.
>
> When you sign up with an ISP, the best audio quality is with G.711 codec,
> but that requires
> at least 80Kbs in both directions to provide MOS scores in the 4's. Any of
> the other codecs,
> such as G.726/723/729 use various compression factors to conserve
> bandwith. The price you
> pay is a lower quality audio signal, ringing, echo, and other artifacts in
> the signal - but given the
> setup you have described, you are subject to that anyway.
>
> BTW, no one, not even the RBOC's will guarantee the connection or quality
> of the call over
> VoIP, so anyone who says that Company XXX does, I would be suspect of. The
> companies
> I've mentioned are good starting points, and there are others you can look
> to if these don't work
> for you.
>
> Hope that helps.
>
> ...Paul
>
> Big Daddy wrote:
>
>  SEE ANSWERS BELOW
>
> *Big Daddy*
>  4796 S. Linoln Ridge Drive
> Tucson, AZ 85730
>
> Richard.Butt at yahoo.com
>
>
>
>
>
> ----- Original Message ----
> From: Paul Penrod <ppenrod at earthlink.net> <ppenrod at earthlink.net>
> To: LDS Open Source Software <ldsoss at lists.ldsoss.org><ldsoss at lists.ldsoss.org>
> Sent: Monday, May 7, 2007 8:39:42 AM
> Subject: Re: [Ldsoss] VOIP Service providers ... which one?
>
> I need to ask you a few questions before I can give you some advice that
> would help and
> not be a hindrance:
>
> 1. Since the wireless connection is shared, the throughput is most
> important. How fast is the
> connection to the ISP going in both directions? UNKNOWN
>
> 2. If you know it, who is the ISP providing the connection? UNKNOWN
>
> 3. What kind of connection is it from the neighbor to the ISP? CABLE (I
> THINK)
>
> 4. Does your brother's in-laws have any special telephone needs such as
> fax, or special features desired? POSSIBLY FAX
>
> 5. Is it more important to have good quality audio and service than price?
> YES
>
> 6. Do they call outside the US? NO
>
> I know it's a lot of questions to start with, but there are a plethora
> providers out there far better than either
> Skype or Vonage, so I want to direct you towards several that might work.
>
> Big Daddy wrote:
>
>  Scenerio:
> My brother's in-laws have a trailer in sanford. I will be setting them up
> with wireless internet access this week (shared from a neighbor, with
> permission).
>
> They do not have a phone line and need a telephone so therfore want me to
> set them up with VOIP. I will need to have the VOIP adapter before I go
> there (2 hr drive each way) so he wants to be what is needed when I am with
> him so he does not get the wrong thing.
>
> Is see that Circuit City, Best Buy, etc sell adapters with Vonage or
> Skype.
>
> I do have a VOIP speed test utility but it can't be run until I set up the
> wireless.
>
> Questions:
> 1. Is wireless (usually) sufficent for VOIP?
> 2. Which VOIP provider do I NOT go with. I understand one of them Vonage
> or Skype filed for bancruptcy.
> 3. Is there any thing else I need to be aware of?
>
>
>
> *Big Daddy*
>  4796 S. Linoln Ridge Drive
> Tucson, AZ 85730
>
> Richard.Butt at yahoo.com
>
>
>
>
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