Failed to find a transport to host

[aguilar]

hello
i cannot make outbound calls and get the message "Failed to find a transport to host" in every Gateway i have, i am running version 3790, vista box, ports opened (everything works fine is version 3)
here is the log:

]: Registration succeeded for: 10001@mcm 12:01:31.333 ClientRegs:nSuccess :[CM504004]: Registration succeeded for: 10003@89959162 12:01:27.128 ClientRegs:nSuccess :[CM504004]: Registration succeeded for: 10005@89959171 12:01:27.089 ClientRegs:nSuccess :[CM504004]: Registration succeeded for: 10004@5589959129 12:01:27.087 ClientRegs:nSuccess :[CM504004]: Registration succeeded for: 10007@89959117 12:01:27.071 ClientRegs:nSuccess :[CM504004]: Registration succeeded for: 10002@50252312 12:01:26.982 ClientRegs::Register :[CM504003]: Sent registration request for 10005@89959171 12:01:26.981 ClientRegs::Register :[CM504003]: Sent registration request for 10003@89959162 12:01:26.974 ClientRegs::Register :[CM504003]: Sent registration request for 10004@5589959129 12:01:26.965 ClientRegs::Register :[CM504003]: Sent registration request for 10007@89959117 12:01:26.963 ClientRegs::Register :[CM504003]: Sent registration request for 10001@mcm 12:01:26.930 ClientRegs::Register :[CM504003]: Sent registration request for 10006@2502 12:01:26.920 ClientRegs::Register :[CM504003]: Sent registration request for 10002@50252312 12:01:26.861 ClientRegs::Register :[CM504003]: Sent registration request for 10001@mcm 12:01:26.850 ClientRegs::Register :[CM504003]: Sent registration request for 10002@50252312 12:01:26.807 ClientRegs:nSuccess :[CM504004]: Registration succeeded for: 10003@89959162 12:01:26.806 ClientRegs::Register :[CM504003]: Sent registration request for 10006@2502 12:01:26.794 ClientRegs::Register :[CM504003]: Sent registration request for 10007@89959117 12:01:26.653 ClientRegs::Register :[CM504003]: Sent registration request for 10004@5589959129 12:01:26.642 ClientRegs::Register :[CM504003]: Sent registration request for 10005@89959171 12:01:26.489 ClientRegs::Register :[CM504003]: Sent registration request for 10003@89959162 12:01:26.384 ExtnCfg::updateContact :[CM504001]: Ext.110: new contact is registered. Contact(s): [sip:[email protected]:5060/110] 12:01:26.308 ExtnCfg::updateContact :[CM504001]: Ext.111: new contact is registered. Contact(s): [sip:[email protected]:5060/111] 12:01:26.308 DeviceRecord:eviceRecord :[CM305004]: Failed to find a transport to host 192.168.1.85 12:01:26.188 ExtnCfg::updateContact :[CM504001]: Ext.101: new contact is registered. Contact(s): [sip:[email protected]:5060/101] 12:01:26.187 DeviceRecord:eviceRecord :[CM305004]: Failed to find a transport to host 192.168.1.80 12:01:26.072 ExtnCfg::updateContact :[CM504001]: Ext.102: new contact is registered. Contact(s): [sip:[email protected]:5061/102] 12:01:26.071 DeviceRecord:eviceRecord :[CM305004]: Failed to find a transport to host 192.168.1.82 12:01:25.945 ExtnCfg::updateContact :[CM504001]: Ext.103: new contact is registered. Contact(s): [sip:[email protected]:5060/103] 12:01:25.944 DeviceRecord:eviceRecord :[CM305004]: Failed to find a transport to host 192.168.1.75 12:01:25.845 ExtnCfg::updateContact :[CM504001]: Ext.104: new contact is registered. Contact(s): [sip:[email protected]:5060/104] 12:01:25.845 DeviceRecord:eviceRecord :[CM305004]: Failed to find a transport to host 192.168.1.177 12:01:25.717 ExtnCfg::updateContact :[CM504001]: Ext.105: new contact is registered. Contact(s): [sip:[email protected]:5060/105] 12:01:25.597 ExtnCfg::updateContact :[CM504001]: Ext.106: new contact is registered. Contact(s): [sip:[email protected]:5060/106] 12:01:25.596 DeviceRecord:eviceRecord :[CM305004]: Failed to find a transport to host 192.168.1.82 12:01:25.483 ExtnCfg::updateContact :[CM504001]: Ext.107: new contact is registered. Contact(s): [sip:[email protected]:5060/107] 12:01:25.482 DeviceRecord:eviceRecord :[CM305004]: Failed to find a transport to host 192.168.1.78 12:01:25.362 ExtnCfg::updateContact :[CM504001]: Ext.108: new contact is registered. Contact(s): [sip:[email protected]:5060/108] 12:01:25.281 ExtnCfg::updateContact :[CM504001]: Ext.109: new contact is registered. Contact(s): [sip:[email protected]:5060/109] 12:01:25.280 DeviceRecord:eviceRecord :[CM305004]: Failed to find a transport to host 192.168.1.77 12:01:24.189 CallMgr:nAddIPs :IP(s) added:[192.168.1.88] 12:01:24.076 StunClient:rocess :[CM506002]: Resolved SIP external IPort (201.136.2.199:5060) on Transport 192.168.1.88:5060 12:01:23.959 StunClient:nInitTests :[CM506001]: STUN request to resolve SIP external IPort mapping is sent to STUN server 64.69.76.23:3478 over Transport 192.168.1.88:5060 12:01:19.068 IVRConnected :[CM501004]: Connected: IVR Service 12:01:14.681 MediaServerConnected :[CM112000] Media Server is connected 12:01:14.326 DeviceRecord:eviceRecord :[CM305004]: Failed to find a transport to host 192.168.1.84 12:01:14.267 DBA :[CM501003]: Connected: Database 12:01:14.148 CallMgr::findLocalIPs :[CM501006]: Default Local IP address: [192.168.1.88] 12:01:14.129 CallCtrl::thread :[CM501007]: *** Started Calls Controller thread *** 12:01:14.127 CallMgr::Initialize :[CM501002]: Version: 5.0.3790.0 12:01:14.126 CallMgr::Initialize :[CM501001]: Start 3CX PhoneSystem Call Manager 12:01:14.123 LoadLicenceInfo :[CM501009]: License Info: Loaded Succeeded

any help would be greatly appreciated

regards