How does LRN SIP INVITE work?

Step 1: Login to our portal and go to Interconnection -> Host Add to add your source IP address

Step 2: Please wait 2-3 minutes so the new IP could propogate to all of our SBC nodes.

Step 3: From your source IP entered in step 1, issue a SIP INVITE to on port 5061 (not 5060)

Step 4: You will receive the following response. In this case, the LRN response for 3109060901 is 12132620105

Contact: <tel:+13109060901;npdi;rn=12132620105>;q=0.8

If you have any questions please do not hesitate to call us at 3109060901 or email