[Asterisk-Users] Semi-OT: porting numbers away

[Bogdan Moldovan]

Depending on the forward type. You could put conditional or un-conditional
forwarding. As far as I know some telcos are placing restrictions on
conditional forwarding (and that depends on a case by case basis) but for
un-conditional forwarding I don't see why there could be a limitation.

Bogdan

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Ross C
Sent: Friday, December 30, 2005 9:34 PM
To: 'Asterisk Users Mailing List - Non-Commercial Discussion'
Subject: RE: [Asterisk-Users] Semi-OT: porting numbers away

Thanks Matt.
Are there limitations with call forwarding?  For example, with Teliax's pay
as you go plan you can have a whole bunch of simultaneous calls (we had 12
going the other day).  So say we get 10 or 12 calls on our telco number that
forwards to Teliax, is there a limit to the number of forwarded calls going
on at once?  Or does the telco hand-off the call to Teliax, then the telco
is no longer involved in that call?  I just don't want call forwarding to
defeat the purpose of going with an ITSN or limit my capabilities.

Also, do I need to have an actual physical analog line to use call
forwarding?  I have two numbers that I would like to forward, but I really
only need one POTS line that would be used by outgoing stuff (911, credit
card machines, etc).  So could I have 123-4567 forward to Teliax#987-6543
and 123-4568 forward to Teliax#987-6542, but only have one actual POTS line?
Or is this heavily dependent on the telco doing the forwarding?

Thanks!

-ross

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Matt Riddell
Sent: Friday, December 30, 2005 1:16 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [Asterisk-Users] Semi-OT: porting numbers away

Ross C wrote:
> Thanks, but I'm looking for information on porting numbers when the
current
> provider holding the numbers goes out of business and is unreachable.  
> Can
I
> get the numbers?  The business has had the same phone number for 
> almost 30 years and definitely can't lose the number due to some 
> provider's instability.
> As most VoIP companies are relatively new and small, I'm a bit 
> skittish about porting these numbers to an ITSN, then that company 
> going out of business and not being able to get my numbers back.  How
would that work?

So use call forwarding from the Telco, forward it to a VoIP DID, if you lose
the VoIP DID, change the forwarding to another number.

That way you can also keep the PSTN line for emergency calls (despite 911
services being offered by various ITSPs, you are relying on the Internet on
site being in top shape).

For example, I have seen more companies do something strange (or even
participate unknowingly in DDOS attacks) rendering their internet connection
useless.

While there are workarounds (maintain a good security policy, use QOS, dual
networks with router-based traffic control), it never pays to have a
customer unhappy (or dead in the case of a missed 911 call).

Typically most ITSPs rely on SLAs (Service Level Agreements) from upstream
providers which will effectively indemnify them in case of upstream failure,
a court case is not really useful in the prevention of the situation.

Is one POTS line really so much in the end?

We normally route outbound calls first via ourselves, and in the case of
network failures, fall back to the customer's PSTN/BRI line.  (BRI being
quite popular here in Italy).

This way they have unlimited outgoing lines and a set number of incoming
lines (we typically offer per channel on inbound DIDs).

If there is ever any problem with the DID, you can forward the PSTN number
back to a cellphone etc.

In fact, if I remember correctly NuFone (https://www.nufone.net/) in the USA
provides a service whereby they will try to route your number via voip and
fallback to an alternate number (ideal if available).

Furthermore, NuFone is one of the oldest (if not _the_ oldest) IAX provider
and has proven to be one of our most stable providers.

If you know what you're doing, NuFone would be my recommendation, if however
you need quite a bit of hand holding, I'd either recommend another provider,
or exhaustive use of the various Asterisk documentation resources.  :)

You can never guarantee a company is not going to go under, but when a
company provides a good service for an extended period of time, you can feel
a little safer.

--
Cheers,

Matt Riddell
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