Sorry Bananas - I disagree completely in this.
OP had a well established pattern of communication over 6.5 yrs with the father of their children. Why should she or he have to change, which to be honest sounded pretty bloody perfect in the scheme of separated parents.
GF has been around this relationship for 2.5 yrs - this is nothing new. How long should the OP give this relationship - another 5-6 yrs!!!!!
On this forum it is all about the fathers communicating with the mothers and taking responsibility - they were doing this pretty god damn well until insecure madam wants to take control.
Sorry - this needs nipping in the bud right now. Parents evening , her arranging contact, this is none of her business. This is about the GF controlling the relationship the father has with his kids and his EX - she needs to butt out.
The phone has nothing to do with being equal to her kids, the parents of the child discussed the issue of a phone and made a decision, she has interfered.
OP - I get your frustration, my EX can now only speak to his DCS on the phone on the way to or from work, he will only skype when she is out and on occasions will lock himself in the toilet to have a conversation with them if she is around. YOu do not want this - your joint DCS have the right to a relationship with their father that is not being dictated by some insecure woman.
Please sort this out - my DCS have not had an ON for 9 months now, did not spend Xmas with their Dad ( his turn- not that I was upset on that one!) can not phone him up when ever they want and just chat - it goes to answer phone and he then phones back whilst out for a walk - it is pathetic.
Sorry there is no leeway on this - she needs to be taken out of the equation of communication. It is insidious and nasty.