I just moved to a building that requires a local phone number for the
door-intercom system to work. Everyone knows my old (cell) phone
number, and I have no reason to change it or stop using it, and I have
no need for any home telephone service other than my cell phone, but I
need a local number. So I'm wondering: what's the cheapest way to get
a local phone number which will forward to my cell?
Thanks.
-Joel
[TELECOM Digest Editor's Note: Telcos which provide (Enterphone)
service or private contractors which provide (Interphone) service
usually generally have it rigged up so that door-to-apartment calls
*cannot* be forwarded off premises. You probably would not want to
have someone be able to remotely open your door when you were not
there; it is a security matter, that is why no forwarding is
available on Enter (Inter) phone service. If telco is supplying the
service, it works sort of like a gerry-rigged centrex. The lobby
phone gets dial tone from the central office and the caller dials
usually a two or three digit number associated with your name in
the lobby directory. You must tell your visitor your apartment number;
it is not obvious from the dialed code number. When you agree to
admit the caller and dial a '4' or '6' or whatever, the central
office pulses the front door latch to allow it to open so the caller
can hang up the phone and walk into the building. If you do not have
external phone service, then telco's contract with the building
management (which pays for the service) calls for telco to provide
you with a phone to operate the door only.
Now if your building has the service from a private contractor it
is called Interphone since the telco (at least years ago) had a patent
on 'Enterphone'. The private contractor usually has a 'computer like
box' in the basement or wherever telco enters the premises and the
'box' functions like a little switchboard sort of like telco and
all the house pairs terminate in this box with the outside trunk
lines coming in. It is quite transparent in that the 'box' just sits
there silently when you make an outgoing call; but when an incoming
call **from the front door** comes in the box does two things: it
tests your line for busy; if you are not talking it gives you a
distinctive ring (same as telco; to aid you in identifying the source
of the call) and if your line *is* busy it sends you a distinctive
call waiting tone (again, same as telco, even if you do not already
have call-waiting) so you can flash, the box puts your outside call
on hold and gives you the door call.
Like telco's (non-subscriber) service where any old phone can be
plugged into the place on the wall where the phone plugs in, **no
actual phone number is needed** since telco (or the private
contractor) provides battery as needed to operate the phone when it
gets called from the door. So if your building has one of those two
types of service (Enter/Interphone) don't bother with calling telco to
get phone service; just plug some cheap phone into the jack; it will
ring as needed and allow talking as needed for the front door intercom
function. When there is not someone at the door talking to you, the
phone will otherwise be dead. In any event (Enter or Inter) **call
forwarding will not work**. Contractor's box won't do it and telco
won't provide it, mainly for security reasons.
But there is a *third* type of front door service, always private
contractor. Sort of cheesy, IMO. In that system, front door person
dials your code (never actual apartment number) and the premises
'box' does a quick look up of your real seven-digit number then places
a phone call to that seven-digit number and bridges them together when
you answer (if you are home and do answer). Its sort of like a fancy
speed dial type thing. On that kind, you *can* do what you want and
have it call forwarded or run to an answering machine or wherever,
although IMO it is ill advised for security reasons. Do you want the
visitor to know you are not home because the door (speed dial type
phone) forwards to wherever? There is an exception to the **no for-
warding** rule: If you have a telco centrex type system (the first
one, above) fully connected and taking incoming/outgoing calls, etc
then TRUE incoming calls (not front door calls) can be call forwarded.
Turn call forwarding on as desired, but the front door will still
give its funny little ring-ring on the phone and not forward. I guess
that is because the programming decision whether or not to forward
is made at telco long before the decision as the origin of the call.
So find out from your new landlord **what kind** of front door
intercom service they have. If it is 'cheap' you want then you may
be able to get by just plugging a dead phone into a modular jack and
letting the front door do its own thing (types one and two above). If
you have to have an *actual phone number* (as in type three) then
bear in mind the front door will be as limited as the cheap phone
service is. If your line is busy (cheap phones do not get call
waiting) then the front door will get a busy signal also, and this
'cheap phone you never use since everyone has your cell phone' may
turn out to be sort of expensive as you install call waiting (to pamper
the front door) and call waiting to forward everyone else (but
hopefully not a bad guy burglar, etc) to your cell phone when you are
away from home. If you are dealing with type three above and
absolutely must get a working phone number from telco, then I would
say never give the number out to anyone (the people who matter would
have your cell phone anyway). Just let the phone sit there idly 99
percent of the time.
At this point you probably know more about Front Door Intercom Service
than most landlords and building managers. Oh, and regards repairs:
standard telco contracts on these devices call for a *thirty minute*
repair time turnaround if/when the front door intercom goes out of
order. Various reasons; all the pairs from central office to the
building and the jumpers, etc are *supposed to be dedicated and
plainly marked in the c.o.* and in the building basement, but it is
not uncommon to get a dorkus installer tech who rips off pairs in
older neighborhoods, nor is it uncommon for the cellanoids unlatching
the front door to go bad, and telco understands it is a rush/24 hour
per day repair job. Hopefully private contractors sense the urgency
also. If the landlord does not understand what kind of front door
intercom system he has, then try plugging in a dead phone to a jack
first and see if it works; if it does then all is cool. Some of them
say 'oh, you gotta have a phone to make the door work' and they don't
really know what they are saying. Then get back to us as needed. PAT]