Robocall blocking with Nomorobo

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dbdoshi:
I am trying to block robocalls (RC) using Callcentric (CC) & Nomorobo (NR). Currently, my SP1 is GV and SP2 is CC. GV is forwarded to CC and SP2 rings for all incoming calls.

I successfully used NR by creating call treatment in CC (Both Simultaneous Calling and Hunting rules work). The "18776593620" is the toll-free number that NR gave me (I selected Vonage as my service provider).

I am now trying to NOT USE CC to block RCs coming to GV. I just use CC to make the outgoing call to NR.

1. I disabled call forwarding from GV to CC and enabled the OBI Device to ring in my GV settings (I cut out CC as the middleman).

2. I removed all call treatments in CC for testing.

3. I created an inbound rule in SP1 with the value of "{ph1,sp2(18776593620;ui=$1)}". From my understanding of this rule, all incoming calls to GV will ring my phone and simultaneously ring NR with the Caller ID of the original incoming call using CC as the trunk provider for the outgoing call to NR.

4. I then called my GV number using FireRTC using the Caller ID of a known spammer as seen by NR.

I can verify that CC is receiving the command to make the outgoing call and I see the outgoing call in CC's outgoing phone log. I also see that OBI is correctly using SP2 (CC) to fork the incoming call (I can see that in OBI's Call History page). The OBI call history page shows "Call Failed (486 Busy here)", meaning that NR did not match the call to a spammer. As a result, my OBI keeps ringing for 25 seconds before it goes to GV voicemail.

Any ideas as to why this is happening?

dbdoshi:
I think I am seeing a plausible reason as to why NR is not blocking the call. I am suspicious that the CallerID that CC sends to NR is NOT of the spammer, but that of my CC account's DID. CC does not allow you to spoof CallerIDs like that. I wish there was a way to see the CallerID that hits NR on their website...

If my reasoning is correct, I cannot use CC and need to use a service provider that allows "on-demand" spoofing of CallerIDs and provides free calls to toll-free numbers. I saw some references to "alcazametworks.com", "alcazarnetworks.com" & "startcompartners.com" in older threads. So do these service providers allow you to spoof CallerIDs correctly?

Taoman:
Quote from: dbdoshi on June 11, 2019, 02:45:15 pm


Any ideas as to why this is happening?


Looks like invalid syntax to me. I doubt the calling number is being forwarded to Nomorobo.
Use one of the free tollfree calling services.

https://www.obitalk.com/forum/index.php?topic=10368.0

dbdoshi:
Sorry, I saw your reply after I posted. I did come across that thread while researching. I was trying to avoid using these non-CC service providers. I already have CC on SP2, so figured why not use it?

Any ideas on the syntax error? Thanks.

Taoman:
Quote from: dbdoshi on June 11, 2019, 03:51:30 pm

Sorry, I saw your reply after I posted. I did come across that thread while researching. I was trying to avoid using these non-CC service providers. I already have CC on SP2, so figured why not use it?

Any ideas on the syntax error? Thanks.

Can you show me in the admin guide (or anywhere) that states this is valid syntax? In the link I posted all examples are using SIP URI.
But I would love to be proved wrong. Would be useful if that syntax actually worked.

{ph1,sp2(18776593620;ui=$1)}

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