/var/log/asterisk/messages: [Jan 30 23:45:03] NOTICE[675] dnsmgr.c: Managed DNS entries will be refreshed every 300 seconds. [Jan 30 23:45:03] NOTICE[675] cdr.c: CDR simple logging enabled. [Jan 30 23:45:03] NOTICE[675] loader.c: 57 modules will be loaded. [Jan 30 23:45:03] WARNING[675] acl.c: Unable to lookup 'callcentric.com' [Jan 30 23:45:04] WARNING[711] chan_sip.c: No such host: callcentric.com [Jan 30 23:45:04] WARNING[711] chan_sip.c: Probably a DNS error for registration to 1777......101@callcentric.com, trying REGISTER again (after 60 seconds) [Jan 30 23:45:04] WARNING[675] pbx.c: Unable to register extension '_1.', priority 1 in 'allstar-sys', already in use [Jan 30 23:45:04] NOTICE[696] app_rpt.c: Normal Repeater Init 29626 [Jan 30 23:45:04] NOTICE[696] app_rpt.c: Normal Repeater Init 29627 [Jan 30 23:45:04] NOTICE[696] app_rpt.c: Normal Repeater Init 1001 [Jan 30 23:45:05] WARNING[718] chan_usbradio.c: Loaded parameters from usbradio_tune_usb29627.conf for device usb29627 . [Jan 30 23:45:05] WARNING[715] chan_usbradio.c: Possibly stuck USB read channel. [usb29627] [Jan 30 23:45:05] WARNING[715] chan_usbradio.c: Nope, USB read channel [usb29627] wasn't stuck after all. [Jan 30 23:45:05] NOTICE[716] chan_simpleusb.c: Assigned USB device 4-2:1.0 to simpleusb channel usb29626 [Jan 30 23:45:05] WARNING[716] chan_simpleusb.c: Loaded parameters from simpleusb_tune_usb29626.conf for device usb29626 . [Jan 30 23:45:05] WARNING[719] chan_usbradio.c: Loaded parameters from usbradio_tune_usb1001.conf for device usb1001 . [Jan 30 23:45:05] WARNING[717] chan_usbradio.c: Possibly stuck USB read channel. [usb1001] [Jan 30 23:45:05] WARNING[717] chan_usbradio.c: Nope, USB read channel [usb1001] wasn't stuck after all. Using nslookup - # nslookup callcentric.com Server: 216.228.160.3 Address: 216.228.160.3#53 Non-authoritative answer: Name: callcentric.com Address: 204.11.192.159 Name: callcentric.com Address: 204.11.192.169 Name: callcentric.com Address: 204.11.192.163 Name: callcentric.com Address: 204.11.192.171 Name: callcentric.com Address: 204.11.192.160 Name: callcentric.com Address: 204.11.192.170 Name: callcentric.com Address: 204.11.192.161 If I run asterisk -rx "sip reload" everything is fine with the sip connection - now shows the peer is registered and I can make calls - autopatch asterisk -rx "sip show peers" Name/username Host Dyn Nat ACL Port Status callcentric/1777......101 204.11.192.170 5080 Unmonitored where as before I did the sip reload, it shows the port as 0 Anyone come across this type of issue? I tried disabling the dnsmgr, but did not change anything. 73's Mark KC7DMF