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Call Drop VS AMR

Viewing 6 posts - 1 through 6 (of 6 total)
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  • #67201 Reply

    How is the call drop Increase when activate AMR ,

    #67202 Reply

    When going to AMR we noticed a slight increase in the call drop rate. This is because the customer quality is stays better to a lower rssi. So the customer does not end the call due to poor quality they will actually will drop the call instead.

    #67203 Reply

    Im not sure i understood what you explained, especially the end :

    why do they drop the call ?
    and… err … how do they do it ? not everyone can “drop” a call intentionally 🙂

    #67204 Reply

    Please correct me if I am wrong.

    You might see a increase in the Call drops when moving to AMR from EFR. This is not a problem with the AMR codec. What is happening is that the AMR codec is so much better that when a customer is using his phone on EFR and his call quality will go bad and the customer will end the call for example they are getting garbled voice. This will not peg as a call drop. But with AMR the call quality will stay better longer. The customer will keep talking on the call until the customer walks into a area in the building that has no coverage and the call will get dropped. Both will be frustrating to the customer. The one the customer disconnects there own call. The AMR will seem to hold the call longer but will peg a drop because the customer had good enough quality not to disconnect the call themselves.

    #67205 Reply


    ok thanks, i got it, and i agree 🙂

    with the repeted SACCH / repeated FACCH feature, this phenomenom should not occur anymore though. Have you tried it already ?


    #67206 Reply

    Can you guide parameter of Repeated SAACH/FAACH in huawei

Viewing 6 posts - 1 through 6 (of 6 total)
Reply To: Call Drop VS AMR
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