Wrong Caller ID on Semi-Attended Transfer
Hello, We've a problem with the caller id in one transfer scenario: In our Example Party A calls Party B, Party B answers the call and transfers it to Party C. We're talking about the Caller ID in the phone of Party C now. If B is doing an attended or unattended transfer, the caller id ist updating correctly as you would expect it. But there's a third scenario, which is very common for users of older PBX systems: A so called "semi-attended transfer". This means, that Party B is initiating A attended transfer via BLF Key, but hangs up, before Party C has answered the call. In this case, the Caller ID should update to Party A, as soon as B hangs up his phone. But this is not happening: The Caller ID remains on Party B until C answers the call. Only then the caller id is updated. Why is the caller id not updated after B hangs up and before C answers the call? Is there any possibility to change this behaiviour? Thanks for your help Joshua
There is no such thing as a semi attended transfer, doing that transfer in early media is NOT valid, its against the RFC... the fact it even works is a trick we do, technically we should just hang up. Your best bet is to disable that transfer in the device. /b On Mon, Feb 1, 2021 at 9:14 AM Joshua Rupp <j.rupp@onecue.de> wrote:
Hello,
We've a problem with the caller id in one transfer scenario:
In our Example Party A calls Party B, Party B answers the call and transfers it to Party C. We're talking about the Caller ID in the phone of Party C now. If B is doing an attended or unattended transfer, the caller id ist updating correctly as you would expect it.
But there's a third scenario, which is very common for users of older PBX systems: A so called "semi-attended transfer". This means, that Party B is initiating A attended transfer via BLF Key, but hangs up, before Party C has answered the call. In this case, the Caller ID should update to Party A, as soon as B hangs up his phone. But this is not happening: The Caller ID remains on Party B until C answers the call. Only then the caller id is updated.
Why is the caller id not updated after B hangs up and before C answers the call? Is there any possibility to change this behaiviour?
Thanks for your help Joshua _________________________________________________________________________
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participants (2)
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Brian West
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Joshua Rupp