Question: who did rick speak to on the phone

title: Hounded (The Walking Dead)
text: Rick ( Andrew Lincoln ) , still trying to cope with the death of his wife , Lori ( Sarah Wayne Callies ) after childbirth , is alone in the prison boiler room where she had died when the phone rings . He answers it to hear the voice of Amy ( Emma Bell ) telling him she is in a safe place and will call back later . Later , a second call from Jim ( Andrew Rothenberg ) asks him to explain his justification for killing other people and berates him for refusing to talk about Lori 's death before dropping the call . A third call from Jacqui ( Jeryl Prescott Sales ) draws Rick to try to explain his refusal to talk about Lori 's death . Finally , the last call is from Lori ; realization dawns on him that these calls have come from those that have died , and all imagined as part of his grief . He leaves the boiler room , cleans himself up , and goes to join the rest of the group , seeing his daughter for the first time since he saw Maggie carry her into the yard after she was born . 

Answer: answer: Rick answers it to hear the voice of Amy telling him she is in a safe place. A second call from Jim asks him to explain his justification for killing other people and berates him for refusing to talk about Lori's death before dropping the call. A third call from Jacqui draws Rick to try to explain his refusal to talk about Lori's death. Finally, the last call is from Lori; realization dawns on him that these calls have come from those that have died, and all imagined as part of his grief.
answer: Rick got calls from Amy ( Emma Bell ), Jim ( Andrew Rothenberg ), Jacqui ( Jeryl Prescott Sales ), and Lori.