Dear OpenSIPS development team,
I have come across a strange case that sometime when I use
topology_hiding("UD"), it makes a mistake in changing Contact field.
Scenario is:A: (Contact: <sip:90006969@172.24.8.5:5060>) sends Invite to private IP of opensips, opensips changes Contact field to: (Contact: <sip:90006969.did.29c.2ed2...@public.ip>) and sends Invite from public IP to B. Then B sends 200 OK back to Opensips public IP, with correct Contact: (Contact: <sip:90006969.did.29c.2ed2...@bpublic.ip:5060>). so far so good. Now Opensips sends 200 OK back to A from its private IP, and changes Contact to: Contact: <sip:90006969.did.29c.2ed202e.did.29c.2ed202e@172.24.8.37> As you see, did part is repeated twice.. and that means when A replies with: ACK sip:90006969.did.29c.2ed202e.did.29c.2ed202e@172.24.8.37 SIP/2.0 Opensips throws an error: ERROR:dialog:dlg_onroute: malformed route param [29c.2ed202e.did.29c.2ed202e] Is this a bug? I am using Opensips 3.1.0. Thanks, Mark
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