Unable to register transaction (key exists) error message

[bennylp]

Transaction may fail to be created/registered to the hash table with the following error message:

"Unable to register transaction (key exists)"

It has been reported that this happened in this scenario:

• in simulated very bad network conditions, with modified Wifi router's iptable to reject certain TCP packets. When TCP disconnect event is received, renew the registration if account id is valid or start SIP registration from the beginning