Google Voice is now Officially Supported on OBi VoIP devices
ramjet73:
Quote from: LeoKing on September 11, 2014, 07:00:18 pm
I've never had a problem with the CID info passed through GV to TMo, AT&T, Sprint & Verizon either. Those are the mobile carriers my family members are using.
Yes, as mentioned previously, it seems to be a problem with the ITSP (VoIP) providers and not the cellular carriers. IMO it would be of mutual benefit to those providers and Google (as well as their users) to establish direct connections for call forwarding, but there may be some regulatory or business reason(s) why that hasn't happened yet.
Taoman:
Quote from: giqcass on September 11, 2014, 06:22:55 pm
Are you receiving Caller ID on your Obi connected handsets without using and extra service like Callcentric?
If you're asking about CNAM then no, that's still not available. Callcentric is the only way I know to get that short of a PBX.
ramjet73:
Quote from: Taoman on September 11, 2014, 07:07:48 pm
Quote from: giqcass on September 11, 2014, 06:22:55 pm
Are you receiving Caller ID on your Obi connected handsets without using and extra service like Callcentric?
If you're asking about CNAM then no, that's still not available. Callcentric is the only way I know to get that short of a PBX.
And the CNAM information won't be reliable from the ITSP if the CID is not transferred correctly from GV. I believe we are still talking about the interface between Google Voice and an Obihai device, even if it comes via an ITSP.
Also, voip.ms supports CNAM lookup for incoming calls, and IIRC does that without an additional charge.
Correction: voip.ms now charges 0.8 cents per CNAM lookup for incoming calls, but it's an option that can be set on/off per DID.
SteveInWA:
Quote from: ramjet73 on September 11, 2014, 07:13:08 pm
Quote from: Taoman on September 11, 2014, 07:07:48 pm
Quote from: giqcass on September 11, 2014, 06:22:55 pm
Are you receiving Caller ID on your Obi connected handsets without using and extra service like Callcentric?
If you're asking about CNAM then no, that's still not available. Callcentric is the only way I know to get that short of a PBX.
And the CNAM information won't be reliable from the ITSP if the CID is not transferred correctly from GV. I believe we are still talking about the interface between Google Voice and an Obihai device, even if it comes via an ITSP.
Also, voip.ms supports CNAM lookup for incoming calls, and IIRC does that without an additional charge.
Correction: voip.ms now charges 0.8 cents per CNAM lookup for incoming calls, but it's an option that can be set on/off per DID.
If you care about or need CNAM, I suggest using a Callcentric DID number as your GV forwarding destination. It isn't perfect, and they send a lot of not-so-helpful "Los Angeles, CA" results for example, but it does work.
ramjet73:
Quote from: SteveInWA on September 11, 2014, 09:31:07 pm
If you care about or need CNAM, I suggest using a Callcentric DID number as your GV forwarding destination. It isn't perfect, and they send a lot of not-so-helpful "Los Angeles, CA" results for example, but it does work.
If found this FAQ about CNAM on the Callcentric website and apparently they only officially support the inbound look-up for their paid services. I mention that because I know that many Callcentric users take advantage of the free DID with free inbound calls service.
My understanding is that the CNAM information can optionally be passed from the source, in which case they would pass that through as is, or else will do a look-up in a local phone book that is maintained by the user, and if not found there will do an external database look-up. The city and state/province of the area code and prefix is the final result if the phone number in the caller ID is not found by the external database search.
However, my experience with Callcentric is that if they don't get a valid CID from Google Voice then "Private caller" gets displayed.
Since a CNAM lookup to the external databases costs the provider it's not unreasonable for them to charge a fee for the service or bundle it with their paid services.
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