Panasonic NAMPS HH950 - Manual (Page 111)

"Roam W" appears when your phone is operating on the
W/L system, outside your home system (both preferred and
non-preferred system).
When your phone locks onto a "non-preferred system,
generally you will not have service unless you’ve previously
registered or have made a roaming agreement with the
non-preferred system. Your dealer can program your
phone for both systems using the Two Selectable Phone
Number feature (see page 3-76).
Some "home" systems already have an established
roaming agreement. This means you can place a call from
your phone using the visiting system and your account will
automatically be billed for the service.
NOTE: When you’re outside of the "home” system, you are not
able to receive calls unless the calling party dials the
"roamer access number" of the initial system. To
receive calls in that area, consult a representative of the
Carrier for that location and inform them of expected
received calls and determine the dialing method. Also
"Follow Me Roaming" and "Transparent Calls" features
are now available with most carriers.
After your dealer programs your phone, you may select one
of the following system choices using A/B System Select
feature:
• Normal Mode - The phone automatically selects
between either N-W/L or W/L
depending on where you are currently
located. If inside the service area of
the preferred system, it continues using
this system. If not, the phone checks to
see if you’re inside the service area of
the non-preferred system and uses this
system instead (Roam display ON).
Periodically, the phone will again check
to see if you have returned to the
service area of the preferred system,
and if so, returns to that network (Roam
display OFF).
3-78 System {FCN 7) Operation