I’m having a problem with the call transfer in sipXezPhone. It tested using two different broadband phone providers with the same results. Once the first call is established, sipXezPhone initiates the transfer and sends the REFER command, initially with no credentials and after this there’s a new REFER command this time complete with credentials. This REFER command gets a 202 ACCEPTED answer although the second call is never initiated. The transfer is initiated, but I never get the CALLSTATE_CAUSE_TRANSFER_ACCEPTED event, even after receiving the 202 ACCEPTED response from the other side accepting the transfer.

 

Anyone ever experienced this or something similar?

I’d appreciate any tips that help me find this problem. Any ideas?

 

Thanks.

 

 

This is the events sequence I get:

 

EVENT_CATEGORY_LINESTATE::PROVISIONED::PROVISIONED_NORMAL

 

EVENT_CATEGORY_LINESTATE::REGISTERING::REGISTERING_NORMAL

EVENT_CATEGORY_LINESTATE::REGISTERED::REGISTERED_NORMAL

 

EVENT_CATEGORY_CALLSTATE::DIALTONE::CAUSE_NORMAL

    hCall=1, hAssociatedCall=0

EVENT_CATEGORY_CALLSTATE::REMOTE_OFFERING::CAUSE_NORMAL

    hCall=1, hAssociatedCall=0

 

EVENT_CATEGORY_LINESTATE::REGISTERING::REGISTERING_NORMAL

EVENT_CATEGORY_LINESTATE::REGISTERED::REGISTERED_NORMAL

 

EVENT_CATEGORY_MEDIA::LOCAL_START::AUDIO::CAUSE_NORMAL

EVENT_CATEGORY_MEDIA::REMOTE_START::AUDIO::CAUSE_NORMAL

EVENT_CATEGORY_CALLSTATE::REMOTE_ALERTING::CAUSE_EARLY_MEDIA

    hCall=1, hAssociatedCall=0

 

EVENT_CATEGORY_LINESTATE::REGISTERING::REGISTERING_NORMAL

EVENT_CATEGORY_LINESTATE::REGISTERED::REGISTERED_NORMAL

 

EVENT_CATEGORY_CALLSTATE::CONNECTED::CAUSE_NORMAL

    hCall=1, hAssociatedCall=0

 

EVENT_CATEGORY_CALLSTATE::TRANSFER_EVENT::CAUSE_TRANSFER_INITIATED

    hCall=1, hAssociatedCall=0

EVENT_CATEGORY_CALLSTATE::BRIDGED::CAUSE_NORMAL

    hCall=1, hAssociatedCall=0

 

EVENT_CATEGORY_LINESTATE::REGISTERING::REGISTERING_NORMAL

EVENT_CATEGORY_LINESTATE::REGISTERED::REGISTERED_NORMAL

 

EVENT_CATEGORY_CALLSTATE::HELD::CAUSE_NORMAL

    hCall=1, hAssociatedCall=0

EVENT_CATEGORY_MEDIA::LOCAL_STOP::AUDIO::CAUSE_HOLD

EVENT_CATEGORY_MEDIA::REMOTE_STOP::AUDIO::CAUSE_HOLD

 

EVENT_CATEGORY_LINESTATE::REGISTERING::REGISTERING_NORMAL

EVENT_CATEGORY_LINESTATE::REGISTERED::REGISTERED_NORMAL

 

EVENT_CATEGORY_LINESTATE::REGISTERING::REGISTERING_NORMAL

EVENT_CATEGORY_LINESTATE::REGISTERED::REGISTERED_NORMAL

 

 

 

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