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Incorrect NOTIFY send by phone after receiving REFER in latest firmware

Device: Cisco/SPA508G

Old Firmware: 7.4.8a, SIP Capture File NOTIFY-GOOD.cap

Frame 18: REFER (Supervised transfer) received by phone

Frame 19: INVITE w/ Replaces - New call, that is result of REFER

Frame 22: Response 183 for the new call

Frame 23: NOTIFY with Sipfrag 183, and Subscription-State: active

Frame 29: Response 200 for the new call

Frame 30: NOTIFY with Sifrag 200, and Subscription-State: terminated

That is correct behavior.

Noe look at

New Firmware: 7.5.1a, SIP Capture File NOTIFY-BAD.cap

Frame 16:  REFER (Supervised transfer) received by phone.

Frame 17: New call INVITE w/ Replaces

Frame 20: Response 183 for the new call

Frame 21: NOTIFY with Sifrag 200, and Subscription-State: terminated

That is incorrect behavior. and it causing problem in our system.

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Community Member

Incorrect NOTIFY send by phone after receiving REFER in latest f

New firware 7.5.2b - The same BUG!!!!

Is anybody from Cisco actually reading this forum?

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