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Page 176 of 184
Operating parameters
553-3001-368
Standard 1.00
Emergency Services for Virtual Office
After the Internet Telephone is redirected to its Home Site, it is not allowed
to initiate a new operation for five minutes. This prevents the user from
accidentally dialing the emergency DN and hanging up. In this case, the
emergency response personnel might call back to confirm the accidental call
(and thus confirm that there is no emergency). If the phone is allowed to
immediately resume a Virtual Office login to another site, it cannot receive
the call back.
The following are the minimum software and firmware requirements for the
Emergency Services for Virtual Office feature:
•
Internet Telephone firmware 1.5x
•
Succession 3.0 software
The ESA package must be enabled on the Home and Remote Call Servers. If
either site does not have ESA enabled, the E911 feature operates the same
with or without the feature enabled, and calls are placed to the PSAP of the
user's home location.
The resources required to originate an emergency call should be blocked from
use by normal call processing, and reserved for emergency calls. Since the
Emergency Services for Virtual Office feature overrides access restrictions,
it is possible to have resources that cannot be normally accessed, but can be
accessed for an emergency call. In particular, the outbound trunks and DSP
resources should be reserved in this manner.
The Internet Telephone may have a "red sticker" indicating the number to dial
for emergency calls. This is only applicable when connected to the Local Call
Server. A Virtual Office user, connected to a Remote Call Server, must dial
the ESDN associated with the Remote Call Server (not necessarily the
number indicated on the "red sticker"). It is up to the site to come up with a
policy for this situation.
If the Internet Telephone does not have the correct firmware, the Emergency
Services for Virtual Office feature still redirects the Internet Telephone to the
Home Site. However, the Internet Telephone appears to visually reset, which
may cause the user to panic.
October 2003
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