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Garryfirea Posted:
There are a
sprinkling
singular reasons
why someone may
hand-picked to
clean
...

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Topic:
letting malowanie dachu krakow
On Jun 24, 2017 at 23:48:53

Garryfirea Posted:
...
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take control of czyszczenie dachow slask
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Sobfrody Posted:
The lawsuit says
West’s lawyers
acknowledged the
sampling happened
when they
...

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Kanye West Joins Huge Sean At Powerhouse 2016, Performs &quo
On Jun 24, 2017 at 11:05:31

RobertBag Posted:
http://www.gagprin
cess.com/this-sass
y-dog-doesnt-waste
-time-this-summer/
...

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Topic:
Evolutions Of Famous Actors And Characters
On Jun 24, 2017 at 06:40:00

mikebrown Posted:
Hello, I think
you should consult
it with the Expert
they can surely
help you
...

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Hard Wiring - Installation
Topic:
Hardwiring in a Rental House
On Jun 24, 2017 at 04:15:34

Sobfrody Posted:
The fancy footwear
additional a touch
of glamour to the
laid back outfit,
consisting
...

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Hard Wiring - Installation
Topic:
Kylie Jenner Ditches Bra in Oversized T-Shirt Look, Rocks Co
On Jun 24, 2017 at 03:10:25

Sobfrody Posted:
In addition, she
snapped her
outfit, which was
dark, brooding and
plain spooky
...

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Topic:
Kris Jenner Once Referred to as Marcia Clark About Seei
On Jun 23, 2017 at 23:12:38

Sobfrody Posted:
Just weeks after
she was held up at
gunpoint in her
Paris hotel area,
Kim Kardashian
...

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Every outfit Kylie Jenner wore at New York Fashion Week 2016
On Jun 23, 2017 at 17:49:05

Haniltery Posted:
For wipe call
history also some
of the offline, in
gengral , it
usually apply to
...

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Topic:
How to Delete call history from online account?
On May 09, 2017 at 01:14:26

diana87 Posted:
You have to use
VPN service to
bypass
Geo-restrictions
and get free
access while
...

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Recent calling problem from Egypt
On May 02, 2017 at 12:28:06


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Vonage Ah ... you wish to enter the murky world of international call terminations do



Ah ... you wish to enter the murky world of international call terminations do you :twisted: ?

Vonage sends your outbound calls to typically a Global Crossing gateway located in the U.S. The location of the gateway varies (I can't figure out exactly why for the moment).

Now Global Crossing (GC) has your phone call on their network and Vonage is basically done with the call. International calls operate like a "spot market" with rates changing daily if not hourly. Based upon your call destination, GC selects the cheapest partner of the day and sends your call along the way. The call may or may not continue in an IP format at that stage.

GC does monitor it's partners for quality circuits (basically looking for calls of short duration which they equate to people hanging up due to poor quality). So why is an AT&T Int'l call better. Simple - because AT&T has a reputation to maintain AND more important does not want you calling to complain (as it cost a bunch of money for them to speak with you). Thus - AT&T closely monitors their termination partners and acts quickly to remove anyone who starts to cause trouble.

There are literally hundreds of termination companies in the world and managing these relationships is often complex and larger carriers have entire departments who do nothing more than work on these agreements. The objective being giving me the best service at the lowest price.

Now on to voice quality issues related to Voip

Many of posters have indicated they have just fine upload and download speeds as reported by a variety of speed testers. However, that's really not the problem.

The issue is two fold, latency and the CODEC.

As you speak the DSP takes your voice and chops it up into samples. Using the algo of the CODEC, the DSP (in your MOT or Cisco box) then basically does the equal to Winzip and encodes the voice sample and puts it into an IP packet. It then drops the IP packet over to the Ethernet Forwarding chip (also in your MOT/Cisco box).

The forwarder now try to send the upstream. Voip uses UDP meaning basically the forwarder dumps the voice packets into the Internet and simply hopes they reach the far end AND in the correct order

The FAR END (the gateway receiving the packets) knows that packets may actually be received out of order. Thus it has something called a 'jitter buffer'. Basically it introduce a slight delay in order to ensure it has all the packets. But what if a packet is delayed. As voice is 'real time' it can only wait so long thus after a pre-determined period of time, the FAR END has no choice but to un-ZIP the packets and turn it back into voice.

Missing packets mean missing voice samples and they result in the clipping, static or general poor voice quality you hear.

There are standards for CODEC development. But there is still an element of art in how a CODEC 'zips and 'unzips the packets. It's much improved from early Voip days but still could be improved further. As it's built into your box and the remote gateway, there is basically little you can do to improve. Time will help.



Read The Full Thread:

Vonage Sound Quality


I have now been using Vonage for 4 months now - but I have never achieved satisfactory
Vonage terminates both international and national long distance in the same
Thanks for the prompt and excellent response, ckoehncke. I also have a regular
And I forgot to ask. If the CODEC in Cisco and Motorola boxes is crap, what do you
I think maybe 150 up is a bit low. If you use the max setting for bandwidth it uses
My OptimumOnline connection gives me more than 900kb/sec up, so I've never had
Try the speed test and see what results you get: https://secure.vonage.com/vonage-subscribe/subs
Thanks again folks for your help. I ran the speedtest provided on the Vonage site,
Like wine, critics all over the map on what CODEC sounds best. Vonage currently

ckoehncke posted "Ah ... you wish to enter the murky world of international call terminations do" on 03/06/2004

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†AK and HI residents pay $29.95 shipping. ††Limited time offer. Valid for residents of the United States (&DC), 18 years or older, who open new accounts. Offer good while supplies last and only on new account activations. One kit per account/household. Offer cannot be combined with any other discounts, promotions or plans and is not applicable to past purchases. Good while supplies last. Allow up to 2 weeks for shipping. Other restrictions may apply.

1Unlimited calling and other services for all residential plans are based on normal residential, personal, non-commercial use. A combination of factors is used to determine abnormal use, including but not limited to: the number of unique numbers called, calls forwarded, minutes used and other factors. Subject to our Reasonable Use Policy and Terms of Service.

2Shipping and activation fees waived with 1-year agreement. An Early Termination Fee (with periodic pro-rated reductions) applies if service is terminated before the end of the first 12 months. Additional restrictions may apply. See Terms of Service for details.

HIGH SPEED INTERNET REQUIRED. †VALID FOR NEW LINES ONLY. RATES EXCLUDE INTERNET SERVICE, SURCHARGES, FEES AND TAXES. DEVICE MAY BE REFURBISHED. If you subscribe to plans with monthly minutes allotments, all call minutes placed from both from your home and registered ExtensionsTM phones will count toward your monthly minutes allotment. ExtensionsTM calls made from mobiles use airtime and may incur surcharges, depending on your mobile plan. Alarms, TTY and other systems may not be compatible. Vonage 911 service operates differently than traditional 911. See www.vonage.com/911 for details.

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