How does CNAM SIP INVITE/3XX Instructions work?

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 INVITE request to cnam.bulkCNAM.com. It will look similar to the below

INVITE sip:1805551234@199.255.157.197:5060 SIP/2.0.

Via: SIP/2.0/UDP [Customer IP]:5060;branch=z9hG4bK2dbdee06.

Max-Forwards: 70.

From: [sip:+13109060901@[Customer IP]];tag=as07192aa5.

To: [sip:1805551234@199.255.157.197:5060].

Contact: [sip:+13109060901@[Customer IP]:5060].

Call-ID: 2670bdec6a1a4896750e61af2ccf0283@[Customer IP]:5060.

CSeq: 102 INVITE.

Date: Tue, 12 Jun 2012 14:01:02 GMT.

Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH.

Supported: replaces, timer.

Content-Type: application/sdp.

Content-Length: 443.

.

v=0.

o=root 1441453244 1441453244 IN IP4 [Customer IP].

s=ACME_SBC.

c=IN IP4 [Customer IP].

b=CT:384.

t=0 0.

m=audio 11248 RTP/AVP 0 3 8 101.

a=rtpmap:0 PCMU/8000.

a=rtpmap:3 GSM/8000.

a=rtpmap:8 PCMA/8000.

a=rtpmap:101 telephone-event/8000.

a=fmtp:101 0-16.

a=silenceSupp:off - - - -.

a=ptime:20.

a=sendrecv.

Step 4: You will receive a 100 Trying followed by a 387 response with the CNAM information.

SIP/2.0 387 Calling Name Info.

Via: SIP/2.0/UDP [Customer IP]:5060;branch=z9hG4bK2dbdee06.

From: [sip:+13109060901@[Customer IP]];tag=as07192aa5.

To: [sip:1805551234@199.255.157.197:5060];tag=c97b4d1cb1f3d0da549e06a8d482ef63.402d.

Call-ID: 2670bdec6a1a4896750e61af2ccf0283@[Customer IP]:5060.

CSeq: 102 INVITE.

P-Asserted-Identity: "BULK SOLUTIONS" [sip:+13109060901@[Customer IP]].

Content-Length: 0.

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