Ata- And Mca-Equipped Stations And Bandwidth Requirements - Nortel Remote Gateway 9150 Installation And Administration Manual

June 2005

ATA- and MCA-equipped stations and bandwidth requirements

Each station equipped with an MCA requires a full 64 Kbps of bandwidth to the
host PBX.
For stations equipped with ATA devices, the bandwidth used by calls processed
on those stations is as follows:
IF using
G.729A compression and the call
is a voice call,
G.729A/Fax compression and the
call is a fax call,
G.711 compression
(uncompressed) and the call is a
fax call
the call is a local call,
The following table identifies the number of MCAs or ATAs that can be
connected to the Remote Gateway 9150 unit:
IF the Remote Gateway 9150 unit
is connected to
a 1-slot RLC
(supporting 16 users),
a 2-slot RLC
(supporting 32 users),
Notes:
You can have eight MCAs or ATAs installed if an analog telephone or fax
machine is not installed.
You can have up to 32 digital telephone sets, one fax machine, and seven
ATA/MCAs installed. However, only 32 simultaneous calls can be made.
Remote Gateway 9150 Installation and Administration Guide
Configuring the Remote Gateway 9150 unit
THEN
the voice call is sent as 8 Kbps to the
host PBX.
the fax call is sent as 9600 bps.
the fax call is sent as 64 Kbps.
the voice call is not compressed. It is
sent as 64 Kbps of data across the
ISDN BRI B-channel.
THEN you can connect
four MCAs or ATAs to the Remote
Gateway 9150 unit.
seven MCAs or ATAs to the Remote
Gateway 9150 unit.
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