How does CNAM SIP SUBSCRIBE/NOTIFY work?

In order to use our CNAM SIP SUBSCRIBE/NOTIFY deployment you will need to follow these steps:

Step 1: Log in 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 Subscribe request to cnam.bulkCNAM.com. It will look similar to the below

SUBSCRIBE sip:199.255.157.197:5060 SIP/2.0..
Via:SIP/2.0/UDP
8.8.8.8:5064;branch=z9hG4bKÂoadWorks.192.168.1.1Â9.255.157.197V5060Â11711252Â46833524Â32463284262;
event=callingÂme..
From:;tag=1446833524Â32463284262..
To:..
CallÂ:BW1941242622203121324122741@8.8.8.8..
CSeq:5117112 52 SUBSCRIBE..
Contact:..
Expires:0..
Event:callingÂme;id=9.
MaxForwards:10..
Content:application/callingÂmeÂfo..
ContentLength:115....
CallingParty:sip:+13109060901@192.168.1.1;user=phone..
CalledParty:sip:+1800551111@192.168.1.1;user=phone..


Step 4: You will receive the following response.

NOTIFY sip:192.168.1.1 SIP/2.0..
Via: SIP/2.0/UDP 199.255.157.197:5060..
From: ;tag=172 334354..
To: ;tag=1446833524Â32463284262..
CallÂ:BW1941242622203121324122741@172.17.1.7..CSeq: 52456 NOTIFY..
MaxÂrwards:10..
Contact: ..
Event: callingÂme;id=9..SubscriptionÂate: terminated..
ContentÂpe: application/callingÂmeÂfo..
ContentÂngth: 163....
CallingÂmeÂatus: available..
CallingÂme: ""BULK SOLUTIONS" ..PresentationIndicator: allowed..RepÂde: 000.


If you have any questions please do not hesitate to call us at 8559060901 or email support@bulkvs.com.