[asterisk-users] CallerID inconsistently presented through ISDN/cellular networks

[Olivier]

2011/11/3 Danny Nicholas <danny at debsinc.com>

> What version of Asterisk?
>
1.6.1.18

>   Is the forwarding done using Followme, attended transfer or blind
> transfer?
>
a plain Answer plus Dial


> ****
>
> ** **
>
> *From:* asterisk-users-bounces at lists.digium.com [mailto:
> asterisk-users-bounces at lists.digium.com] *On Behalf Of *Olivier
> *Sent:* Thursday, November 03, 2011 8:14 AM
> *To:* Asterisk Users Mailing List - Non-Commercial Discussion
> *Subject:* Re: [asterisk-users] CallerID inconsistently presented through
> ISDN/cellular networks****
>
> ** **
>
> Hi,
>
> I'm still strugling with my CallerID presentation problem.
> Let me remind it :
>
> My setup is:
> Alice cellphone <--GSM--><--ISDN--> Asterisk <-- ISDN --><--GSM--> Bob
> cellphone
>
> Ive configured Asterisk so that whenever Bob forwards its incoming call to
> its cellphone, the later phone should present Alice's number.
>
> I was originally told that sometimes Bob would be presented Alice's
> number, sometimes the dialed number (which in this case, also match the ANI
> or the receptionnist ID).
> Now, I can't certify this ever happened : maybe, it did happen, maybe not.
>
> What I can certify is this:
> 1. out of 32 different callers, 20 callers are presented with the correct
> number and 12 with the dialed number,
> 2. all those 32 callers are cellphones operated by the same (incumbent)
> telco which also operates ISDN,
> 3. Bob's cellphone is also operated by the same (incumbent) telco,
> 4. all this tries were done the same day, one after the other.
>
> The best explanation I can think of is this:
> "Depending on the route used, the ANI is used instead of the presented
> caller ID".
>
> To prove that, I'll try to "record" 2 calls for the same caller and toward
> the same destination: one with the awaited presentation, one with a wrong
> one.
> (Sending this to the telco and have them change anything is an other
> story).
>
>
> Comments and suggestions are welcome.
>
> Regards****
>
> --
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