[SIPForum-discussion] RPID in ACK

[Raghul Prasanna]

Hi All,
 
 I have a scenario were calls to Verizon are getting rejected. When I looked at the ethereal I found that we are sending ACK to 200 OK from Verizon. But they keep sending us 200 OK and we respond to it everytime and finaly they time out.
 
 When I checked with Verizon they said that we dont send RPID in ACK. I have never come across this scenario were RPID needs to be sent in ACK. I thought its sent in Invite message which we do.
 
 Does anyone know if there is any spec which states that RPID shd be sent in ACK? 
 
Thanks,
Raghul


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