If she can convince the court that you pose an ongoing threat to her, then she can get a restraining order. Most judges err in favor of issuing the order if they have any doubt.
From what you describe, you certainly should have filed for divorce by now and that may help you put separation between this woman and yourself. If you want your husband out of the house, that (divorce) is the correct route to take - not phone calls to his coworkers or ex-girlfriends.
You can reach Harkess & Salter LLC at (303) 531-5380 or info@Harkess-Salter.com. Stephen Harkess is an attorney licensed in the state and federal courts of Colorado. This answer is for general information only and does not create an attorney client relationship between Stephen Harkess or Harkess & Salter LLC and any person. You should schedule a consultation with an attorney to discuss the specifics of your legal issues.
I am surprised that the judge issued the restraining order because it is obvious that you were NOT violent towards her nor did you threaten violence against her. So, the only basis for the issuance of the restraining order would be stalking - consistent texts with no legitimate purpose and with the INTENT to cause serious emotional distress. As I have said, you need an attorney. Whether myself or another attorney, give me at call on my cell at (303) 906-9484 or my email at email@example.com to assist you in finding someone in advance of Tuesday's PRO hearing.
The information provided in this answer does not create an attorney-client relationship. If you are interested in his legal services, feel free to call Chris at (303) 409-7635 at his law office in the Denver Tech Center. All initial consultations are free of charge.