Quote6.Line InboundCallRoute:
{sp1(101@192.168.215.4:5060}
The above can contain any number. If it's an extension Asterisk will route the call to that extension. If it's not an extension you need an inbound route to route the call anywhere you want.
QuoteI also entered the extension registration details under SP1 - should it be ITSP A?
Yes
The Asterisk trunk doesn't register to the OBi. It just points to SP1 and does not have a registry string.
{peterobi1>((Msp1)|999|112):li}
The above rule checks for username of peterobi and an outbound number that matches Msp1, 999 or 112. If both match the call is routed out Line.
You are using SP1 for the trunk and the extension. You could use another SP for the trunk. If you do use another SP it must have a valid SIP definition.
Have you tried inbound or outbound calls?
What happens?