I just popped back in to see if there were any updates. I also did a new test of calling. I'm experiencing something slightly different today. When I call my cell from my office phone, I can pickup the call and it doesn't fail immediately (this is new). However, the office phone continues to ring for 2-3 more rings before it actually connects. The good news is that it actually does connect where this would have failed with call failed in the past. Maybe this is just a one off state, but maybe some changes have been made to some timeouts or something?
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Add me to the list of people with this problem. 9 out of 10 calls fail with Call Failed when I answer. Usually I'm able to call the person back and it goes through without issue. Problem is not limited to any particular location. My wife and I both have iPhone 6s. She is on Sprint and has wifi-calling enabled and has never seen the Call Failed error. When I had AT&T with this same phone, I never once saw the Call Failed error.
Repeatable Test to get Failures and Temporarily Resolve Them
Just now I was able to make four consecutive calls to my cell phone and each failed with Call Failed when I answered. I made an outgoing call from my cell to my office phone and the destination rang once, stopped ringing as though I hung up, and several seconds later started ringing again and I was able to answer and the call succeeded. Then, subsequent incoming calls from my office line to my cell succeeded (no Call Failed). I switched into Airplane mode and back out. Now it is again failing with Call Failed. I have repeated this process and it is completely repeateable including the weird pause and reconnect during the outgoing call.
@ComcastElla, I can send you a PM with my details, but I think that PM is not turned on for me (I'm signed in but don't see a Send Message link when viewing your profile).
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