AT&T NORTEL BCM50 - Manual (Page 9)

AT&T IP Flexible Reach Service
Nortel BCM50 Release 3.0 SIP Configuration Guide
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o 12 digital station ports supporting digital phones.
o 4 Analog Loop Supervised Trunks (NA networking standards).
o 4 Analog Station interfaces with message waiting and CLID
support.
o 3 port 10/100 Ethernet switch with auto sensing and auto polarity.
Two of these ports also support connection of optional expansion
units.
o 1 10/100 Ethernet port reserved for direct access management of
the system
o Integrated CallPilot voice mail system
o T1 voice card for connection to the local PSTN.
* RFC2833 DTMF is currently not supported on the IP Softphone 2050; thus the
IP Softphone 2050 is not supported for AT&T IP Flexible Reach service. This will
be fixed in the next major release of the IP Softphone 2050 (release 3).
The following routing scenarios are supported by the Nortel BCM50 IP PBX and
DO NOT use the AT&T Call Control.
• Local Nortel BCM50 phone to other local Nortel BCM50 phone
The following routing scenarios are supported by the Nortel Networks BCM50 IP
PBX and DO use the AT&T Call Control. For voice calls, the G.729 codec shall be
used.
• Nortel BCM50 phones to PSTN (domestic US and international).
• Nortel BCM50 phones to legacy PBX site with Cisco gateway.
• Legacy PBX site with Cisco gateway to Nortel BCM50 phones.
• Nortel BCM50 phones at one Nortel BCM50 IP PBX site to Nortel BCM50
phones at another Nortel BCM50 IP PBX site
If the customer has subscribed to Calling Plans B and C (Local), then the
following routing scenarios are supported by the BCM50 IP PBX and DO use the
AT&T Call Control. For voice calls, the G.729 or G.711 codec may be used.
BCM50 selects G.729 as the highest priority codec.
• Inbound PSTN to BCM50 phone
• Outbound local PSTN calls from the BCM50 phones
• Outbound local N11 (i.e. 411, 911) calls from the BCM50 phones
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