sip.conf

[20]
context=local
type=peer
secret=oquidroid
username=oquidroid
callerid=oquidroid
host=dynamic

extension.conf

[local]
;local clients have extensions from 10-99,
;write one general dialplan for all of them using pattern matching
exten => _ZX,1, Dial(SIP/${EXTEN},30)
        same=>n,Playback(vm-nobodyavail)
        same=>n,Hangup()

//registration sip debug
linux-lxda*CLI>
[Sep 24 16:32:20] NOTICE[3729]: chan_sip.c:25160 handle_request_register: Registration from '"oquidave"<sip:oquidroid@192.168.43.240;transport=UDP>' failed for '192.168.43.1:5060' - No matching peer found


linux-lxda*CLI> sip show peer 20


  * Name       : 20
  Secret       : <Set>
  MD5Secret    : <Not set>
  Remote Secret: <Not set>
  Context      : local
  Subscr.Cont. : <Not set>
  Language     :
  AMA flags    : Unknown
  Transfer mode: open
  CallingPres  : Presentation Allowed, Not Screened
  Callgroup    :
  Pickupgroup  :
  MOH Suggest  :
  Mailbox      :
  VM Extension : asterisk
  LastMsgsSent : 32767/65535
  Call limit   : 0
  Max forwards : 0
  Dynamic      : Yes
  Callerid     : "oquidroid" <>
  MaxCallBR    : 384 kbps
  Expire       : -1
  Insecure     : no
  Force rport  : Yes
  ACL          : No
  DirectMedACL : No
  T.38 support : No
  T.38 EC mode : Unknown
  T.38 MaxDtgrm: -1
  DirectMedia  : Yes
  PromiscRedir : No
  User=Phone   : No
  Video Support: No
  Text Support : No
  Ign SDP ver  : No
  Trust RPID   : No
  Send RPID    : No
  Subscriptions: Yes
  Overlap dial : No
  DTMFmode     : rfc2833
  Timer T1     : 500
  Timer B      : 32000
  ToHost       :
  Addr->IP     : (null)
  Defaddr->IP  : (null)
  Prim.Transp. : UDP
  Allowed.Trsp : UDP
  Def. Username: oquidroid
  SIP Options  : (none)
  Codecs       : 0x80000008000e (gsm|ulaw|alaw|h263|testlaw)
  Codec Order  : (none)
  Auto-Framing :  No
  Status       : Unmonitored
  Useragent    :
  Reg. Contact :
  Qualify Freq : 60000 ms
  Sess-Timers  : Accept
  Sess-Refresh : uas
  Sess-Expires : 1800 secs
  Min-Sess     : 90 secs
  RTP Engine   : asterisk
  Parkinglot   :
  Use Reason   : No
  Encryption   : No