I'm having a strange problem recently with a Yealink SIP-T28P phone connected to Asterisk 11.4.0 via openvpn. It was working fine for months, and now when I dial anything from the phone, it shows "Forbidden", and the Asterisk console shows:
[May 21 10:47:49] NOTICE[28518][C-00000004]: chan_sip.c:25189 handle_request_invite: Failed to authenticate device "Ext 110" < sip:110@192.168.6.2>;tag=1130259112 Asterisk 192.168.6.2 OpenVPN on router 10.8.0.1 Remote Yealink phone 10.8.0.6 The remote phone shows as being registered: PBX*CLI> sip show peers Name/username Host Dyn Forcerport ACL Port Status Description 110/110 10.8.0.6 D A 5062 OK (111 ms) Yealink OpenVPN Also, if there is voicemail in the mailbox for 110, the phone's message light is lit and it beeps periodically. toshi*CLI> sip show peer 110 * Name : 110 Description : Yealink OpenVPN Secret : <Set> MD5Secret : <Not set> Remote Secret: <Not set> Context : remote-phones Record On feature : automon Record Off feature : automon Subscr.Cont. : <Not set> Language : Tonezone : <Not set> AMA flags : Unknown Transfer mode: open CallingPres : Presentation Allowed, Not Screened Callgroup : 1 Pickupgroup : 1 Named Callgr : Nam. Pickupgr: MOH Suggest : Mailbox : 110 VM Extension : asterisk LastMsgsSent : 1/0 Call limit : 4 Max forwards : 0 Dynamic : Yes Callerid : "Ext 110" <110> MaxCallBR : 384 kbps Expire : 608 Insecure : no Force rport : No Symmetric RTP: No ACL : Yes DirectMedACL : No T.38 support : No T.38 EC mode : Unknown T.38 MaxDtgrm: -1 DirectMedia : No PromiscRedir : No User=Phone : No Video Support: Yes Text Support : No Ign SDP ver : No Trust RPID : Yes Send RPID : Yes Subscriptions: Yes Overlap dial : No DTMFmode : rfc2833 Timer T1 : 500 Timer B : 32000 ToHost : Addr->IP : 10.8.0.6:5062 Defaddr->IP : 10.8.0.6:5060 Prim.Transp. : UDP Allowed.Trsp : UDP Def. Username: 110 SIP Options : (none) Codecs : (ulaw) Codec Order : (ulaw:20) Auto-Framing : No Status : OK (237 ms) Useragent : Yealink SIP-T28P 2.61.23.3 00:15:65:xx.xx.xx Reg. Contact : sip:110@10.8.0.6:5062 Qualify Freq : 60000 ms Keepalive : 0 ms Sess-Timers : Accept Sess-Refresh : uas Sess-Expires : 1800 secs Min-Sess : 90 secs RTP Engine : asterisk Parkinglot : Use Reason : No Encryption : No sip.conf: [110] context=remote-phones type=peer host=dynamic qualify=1500 canreinvite=no dtmfmode=rfc2833 progressinband=no callgroup=1 pickupgroup=1 ; We can do call pickup for call group 1 call-limit=4 busy-level=1 qualify=yes deny=0.0.0.0/0.0.0.0 permit=0.0.0.0/0.0.0.0 nat=no qualify=8000 description=Yealink OpenVPN defaultuser=110 secret=xxxxxxxxxxxxxxxxxxxxxxxxxxxxx callerid="Ext 110" <110> mailbox=110 defaultip=10.8.0.6 port=5060 disallow=all allow=ulaw Any suggestions on what might be happening here, and how it could be resolved? THANKS ALL!
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