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        | Getting 401 Unauthorized on extension, but registration seems OK |          |  
 Hello,
 My extension appears to be registered, but Im constantly getting errors like these.  Im also not able to make calls from one of my clients (Telephone.app) and to use another one (Blink os x)
 
 Im getting the following errors:
 1. 401 Unauthorized
 2. DNS lookup NAPTR pbxes.com failed: DNS response contains no answer
 
 SENDING: Packet 685, +0:05:01.375075
 2010-09-13 13:02:50.895796: XXX.XXX.XXX.XXX:55684 -(SIP over UDP)-> 76.191.104.53:5060
 SUBSCRIBE sip:wprater-203@pbxes.com SIP/2.0
 Via: SIP/2.0/UDP XXX.XXX.XXX.XXX:55684;rport;branch=z9hG4bKPjOP2jO5bG0mNnBksA7xjBbkDcLhXTgm-O
 Max-Forwards: 70
 From: "William Prater" <sip:wprater-203@pbxes.com>;tag=By3AbMZl9i-pN487G8bY.7jm.9Jgaw2R
 To: <sip:wprater-203@pbxes.com>
 Contact: <sip:zomgqbia@10.0.1.97:55684>
 Call-ID: warhZyo13LNQGxj2Jq2iMlvVHCJY94Ig
 CSeq: 8554 SUBSCRIBE
 Route: <sip:XXX.XXX.XXX.XXX;lr>
 Event: message-summary
 Expires: 600
 Accept: application/simple-message-summary
 Allow-Events: presence.winfo, message-summary, xcap-diff, presence
 User-Agent: Blink 0.20.0 (MacOSX)
 Content-Length:  0
 
 RECEIVED: Packet 686, +0:05:01.432931
 2010-09-13 13:02:50.953652: 76.191.104.53:5060 -(SIP over UDP)-> XXX.XXX.XXX.XXX:55684
 SIP/2.0 401 Unauthorized
 Via: SIP/2.0/UDP XXX.XXX.XXX.XXX:55684;branch=z9hG4bKPjOP2jO5bG0mNnBksA7xjBbkDcLhXTgm-O
 From: "William Prater" <sip:wprater-203@pbxes.com>;tag=By3AbMZl9i-pN487G8bY.7jm.9Jgaw2R
 To: <sip:wprater-203@pbxes.com>;tag=as258bebf0
 Call-ID: warhZyo13LNQGxj2Jq2iMlvVHCJY94Ig
 CSeq: 8554 SUBSCRIBE
 User-Agent: PBX
 Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
 Contact: <sip:wprater-203@76.191.104.53:5060>
 WWW-Authenticate: Digest realm="pbxes.org", nonce="254832d93086f83d5b0847310128f8b923533ec8"
 Content-Length: 0
 
 SENDING: Packet 687, +0:05:01.433032
 2010-09-13 13:02:50.953753: XXX.XXX.XXX.XXX:55684 -(SIP over UDP)-> 76.191.104.53:5060
 SUBSCRIBE sip:wprater-203@pbxes.com SIP/2.0
 Via: SIP/2.0/UDP XXX.XXX.XXX.XXX:55684;rport;branch=z9hG4bKPjRLhGLfVAxoFiOMJWF4GfJxF9Cbl.6FaV
 Max-Forwards: 70
 From: "William Prater" <sip:wprater-203@pbxes.com>;tag=By3AbMZl9i-pN487G8bY.7jm.9Jgaw2R
 To: <sip:wprater-203@pbxes.com>
 Contact: <sip:zomgqbia@10.0.1.97:55684>
 Call-ID: warhZyo13LNQGxj2Jq2iMlvVHCJY94Ig
 CSeq: 8555 SUBSCRIBE
 Route: <sip:76.191.104.53;lr>
 Event: message-summary
 Expires: 600
 Accept: application/simple-message-summary
 Allow-Events: presence.winfo, message-summary, xcap-diff, presence
 User-Agent: Blink 0.20.0 (MacOSX)
 Authorization: Digest username="wprater-203", realm="pbxes.org", nonce="254832d93086f83d5b0847310128f8b923533ec8", uri="sip:wprater-203@pbxes.com", response="498c0e724c38d5881176d66f00139a91"
 Content-Length:  0
 
 RECEIVED: Packet 688, +0:05:01.537712
 2010-09-13 13:02:51.058433: 76.191.104.53:5060 -(SIP over UDP)-> XXX.XXX.XXX.XXX:55684
 SIP/2.0 200 OK
 Via: SIP/2.0/UDP XXX.XXX.XXX.XXX:55684;branch=z9hG4bKPjRLhGLfVAxoFiOMJWF4GfJxF9Cbl.6FaV
 From: "William Prater" <sip:wprater-203@pbxes.com>;tag=By3AbMZl9i-pN487G8bY.7jm.9Jgaw2R
 To: <sip:wprater-203@pbxes.com>;tag=as258bebf0
 Call-ID: warhZyo13LNQGxj2Jq2iMlvVHCJY94Ig
 CSeq: 8555 SUBSCRIBE
 User-Agent: PBX
 Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
 Expires: 0
 Content-Length: 0
 
 2010-09-13 13:02:52.263728: DNS lookup NAPTR pbxes.com failed: DNS response contains no answer
 2010-09-13 13:02:52.371655: DNS lookup NAPTR pbxes.com failed: DNS response contains no answer
 2010-09-13 13:02:52.526901: DNS lookup SRV _sips._tcp.pbxes.com failed: DNS response contains no answer
 2010-09-13 13:02:52.638612: DNS lookup SRV _sips._tcp.pbxes.com failed: DNS response contains no answer
 2010-09-13 13:02:52.774242: DNS lookup SRV _sip._tcp.pbxes.com failed: DNS response contains no answer
 2010-09-13 13:02:52.841817: DNS lookup SRV _sip._udp.pbxes.com succeeded, ttl=10000: 0 0 5060 pbxes.com.
 2010-09-13 13:02:52.894825: DNS lookup SRV _sip._tcp.pbxes.com failed: DNS response contains no answer
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