NEC SL1100 - SECTION 3 INSTALLATION CONSIDERATIONS

IN STRICTEST CONFIDENCE
BT Wholesale
Issue 1: 2012© British Telecommunications plc
Page 21 of 33
IN STRICTEST CONFIDENCE
Incoming Type – VoIP
For the trunks that you have identified for use with the IPVS SIP Trunking service we recommend that
DID mode is used for incoming call routing. The below image is taken from our example deployment
where trunks 5 to 12 are set as SIP Trunks and used for the IPVS service.