[VoiceOps] Broadworks: Preserve sip call-ID

[Mary Lou Carey]

The caller ID, LRN, and called number are used to determine the CABS billing
(minutes of use) in the PSTN world so that's why they don't want you to drop
callerID. Many VOIP carriers were dropping callerID or spoofing it so they
could push it down a local trunk group and claim they didn't have to pay
anything for it (because local is free). The recent FCC ruling on ICC reform
stated that all carriers (including VOIP) are responsible for paying for
their intra and interLATA traffic and must pass the correct information
along so the traffic is classified and billed correctly.

 

 

Mary Lou Carey

BackUP Telecom Consulting

CLEC Consultant

OFF: 615-791-9969

 

From: voiceops-bounces at voiceops.org [mailto:voiceops-bounces at voiceops.org]
On Behalf Of Rakesh Unni
Sent: Thursday, March 15, 2012 11:43 AM
To: Hiers, David
Cc: VoiceOps at voiceops.org
Subject: Re: [VoiceOps] Broadworks: Preserve sip call-ID

 

It's Palladion  we are trying. Not sure why they worry about call-ID
manipulation, guess it has some reference to the licensing   validation for
transactions. 

 

Thanks

Rakesh

On 15 March 2012 16:19, Hiers, David <David.Hiers at adp.com> wrote:

Never had to try, but I've never seen anything in BW that is even close to
this.  I know that you can't get them to take the "BW" out of the call-ID
(sigh....). 

 

You're asking for something that is pretty brittle. If you ever fork, you
can't preserve the inbound call-ID on the multiple outbound legs, because
call-IDs must be globally unique (RFC3261:8.1.1.4).

 

 

 

David

 

 

From: voiceops-bounces at voiceops.org [mailto:voiceops-bounces at voiceops.org]
On Behalf Of Rakesh Unni
Sent: Thursday, March 15, 2012 08:47


To: VoiceOps at voiceops.org
Subject: [VoiceOps] Broadworks: Preserve sip call-ID

 

Hi guys,

We are running r17 at the moment and currently testing a monitoring platform
for both signalling and media. They use sip callID to identify call legs to
merge and i would like to have all call legs on one call (from the
originating access side to where we send the traffic to for PSTN). Since
Broadworks act as a B2BUA it rewrites the originating callID to BW-xxxxx.
I've made changes on the SBC to preserve the callID but now need Broadworks
to preserve it. 

Is it possible on Broadworks to transparent proxy the callID from the access
side to the terminating side ? 

Thanks
Rakesh 

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-- 
Rakesh 

+44 2033931856

sip:unni at getonsip.com <mailto:sip%3Aunni at getonsip.com> 

 

 

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