Nortel BCM to * via SIP

I have SIP working between a Nortel BCM and *, but I am unable to access the PRI in the BCM. My dialplan passes the required

Asterisk is getting back from the BCM:

--- (12 headers 0 lines) ---
Destroying call '50ef4ef033fa95ab64a3d4d71362c356@10.11.11.220'
12 headers, 0 lines
Reliably Transmitting (no NAT) to 10.11.11.200:5060:
OPTIONS sip:10.11.11.200 SIP/2.0
Via: SIP/2.0/UDP 10.11.11.220:5060;branch=z9hG4bK7c993e6d;rport
From: "asterisk" <sip:asterisk@10.11.11.220>;tag=as59cb4c14
To: <sip:10.11.11.200>
Contact: <sip:asterisk@10.11.11.220>
Call-ID: 204d7a4823f3607270d398e77ce7291b@10.11.11.220
CSeq: 102 OPTIONS
User-Agent: Asterisk PBX
Max-Forwards: 70
Date: Fri, 01 Jun 2007 15:10:58 GMT
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
Content-Length: 0


---
AST1*CLI>
<-- SIP read from 10.11.11.200:5060:
SIP/2.0 501 Not Implemented
From: "asterisk"<sip:asterisk@10.11.11.220>;tag=as59cb4c14
To: <sip:10.11.11.200>;tag=c80b0b0a-13c4-4660350e-2b87914-3d85
Call-ID: 204d7a4823f3607270d398e77ce7291b@10.11.11.220
CSeq: 102 OPTIONS
Via: SIP/2.0/UDP 10.11.11.220:5060;rport=5060;branch=z9hG4bK7c993e6d
Supported: 100rel
Content-Length: 0

Does this mean anything?? Thanks!

It looks like you’re not giving the BCM a number to call.