Invoke configuration menu (that’s on you). S5 N4 etc. That one Rom “upgrade” is not required.
Happy saint Valentine’s day.
Enable call info logging
In test mode DO NOT touch Manual Configuration switch
.. IMS PDN
Check boxes one and four
Check boxes one and three and four
If you cannot elucidate reasons why MDN and MIN might need differ reflect on the wisdom of proceeding.
..MediainfoSettings are the exclusive province of sip veterans or practitioners of certain other dark arts. Don’t you touch them. If you haven’t developed your own craft for sip timers this isn’t for you.
..If you know why in particular to change the User Agent have at else NO touching.
.. no u cannot haz your own XCAP
Configure source one
I actively hate ss7 “services” so there will be no co-enabling here. If you’re not a little girl you should be using BOTH Xmpp & SIP already.
Further this assumes you have disabled all draconia of Verizon or Google.