Nortel Meridian Meridian 1 Feature Description And Administration page 1690

Page 1690 of 1814
Operating parameters
Feature interactions
553-2901-301 Standard 9.00 January 2002
ISDN BRI features
ISDN BRI terminals must support both ETSI basic call and ETSI Conference
Supplementary service signaling protocols.
ETSI Conference only supports speech or 3.1 kHz; other bearer services such
as 7 kHz, unrestricted digital information, and restricted digital information
are not supported.
In a conference call, a maximum of two parties (including conference
controller and conferees) can be from the same Digital Subscriber Loop
(DSL), due to the availability of only two B-channels per ISDN BRI
interface.
The Meridian 1 only sends notification messages to conferees or the
conference controller when conference operations are requested and
performed if they are ISDN BRI users. If a user is on another node across
ISDN or non-ISDN trunks, the Notify message will not be sent.
Conference
ISDN BRI terminals can conference in both ISDN BRI and non-ISDN BRI
terminal users; similarly, an ISDN BRI terminal can also be conferenced into
a call by a non-ISDN terminal. However, in either case, the ISDN BRI
terminal display will not be updated due to lack of protocol to support it.
ISDN PRI Network Call Redirection
When an ISDN BRI conference call is dropped to a simple call, if a party in
the simple call is an ISDN BRI user, the corresponding BRI name and number
will be updated on the other party's non-ISDN set display. However, the
ISDN BRI display will not be updated due to lack of standard protocol to
support this function.
Held Call Clearing
Held Call Clearing allows a set to clear both active calls and held calls by
going on-hook. This will not apply to an ISDN BRI set.
ISDN BRI Trunk Access
ISDN BRI ETSI Conference is supported across ISDN BRI trunks.