[Asterisk-Users] Why can't sip/200 call sip/202

dbruce dbruce at bananatel.ca
Sun Jul 24 11:17:03 MST 2005


It appears from the debug that extension 200 is trying to call 777, not 202. Your Asterisk server can't find an extension 777 and returns "404 not found". That will explain why you can't call extension 777 from extension 200. If you want to call extension 202, you will need to dial 202 on extension 200, not 777.

Regards,
Derek

  ----- Original Message ----- 
  From: Angus Comber 
  To: asterisk-users at lists.digium.com 
  Sent: Sunday, July 24, 2005 11:51 AM
  Subject: [Asterisk-Users] Why can't sip/200 call sip/202


  I have 2 sip accounts setup - 200 and 202.  If I do sip show peers I get:

  sip show peers
  Name/username    Host            Dyn Nat ACL Mask             Port     Status
  202/202          192.168.0.6      D          255.255.255.255  5060     Unmonitored
  201/201          (Unspecified)    D          255.255.255.255  5060     Unmonitored
  200/200          192.168.0.3      D          255.255.255.255  5060     Unmonitored

  200 is a Grandstream GXP200 IP Phone and 202 is a Grandstream BT100 IP phone.

  relevant bit of sip.conf:

  [200]
  username=200
  type=friend
  secret=1234
  port=5060
  nat=never
  dtmfmode=rfc2833
  context=default
  callerid="Angus Comber" <200>
  host=dynamic
  disallow=all
  allow=ulaw
  allow=alaw
  allow=g723.1
  allow=g729

  [202]
  username=202
  type=friend
  secret=1234
  port=5060
  nat=never
  dtmfmode=rfc2833
  context=default
  callerid="Sam Comber" <202>
  host=dynamic
  disallow=all
  allow=ulaw
  allow=alaw
  allow=g723.1
  allow=g729


  But whenever I try to dial between phones I get this:


  Sip read:

  0 headers, 0 lines


  Sip read:
  INVITE sip:777 at 192.168.0.13;user=phone SIP/2.0
  Via: SIP/2.0/UDP 192.168.0.3;branch=z9hG4bKa6cf8b6a7c7198a1
  From: "Angus Comber" <sip:200 at 192.168.0.13;user=phone>;tag=a1afaf4fdb0ac845
  To: <sip:777 at 192.168.0.13;user=phone>
  Contact: <sip:200 at 192.168.0.3;user=phone>
  Supported: replaces, timer
  Call-ID: 11e4ca07b25c9335 at 192.168.0.3
  CSeq: 45925 INVITE
  User-Agent: Grandstream GXP2000 1.0.1.9
  Max-Forwards: 70
  Allow: INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE,UPDATE,PRACK
  Content-Type: application/sdp
  Content-Length: 258

  v=0
  o=200 8000 8000 IN IP4 192.168.0.3
  s=SIP Call
  c=IN IP4 192.168.0.3
  t=0 0
  m=audio 5004 RTP/AVP 18 0 8 101
  a=sendrecv
  a=rtpmap:18 G729/8000
  a=rtpmap:0 PCMU/8000
  a=rtpmap:8 PCMA/8000
  a=ptime:20
  a=rtpmap:101 telephone-event/8000
  a=fmtp:101 0-11

  13 headers, 13 lines
  Using latest request as basis request
  Sending to 192.168.0.3 : 5060 (non-NAT)
  Reliably Transmitting (no NAT):
  SIP/2.0 407 Proxy Authentication Required
  Via: SIP/2.0/UDP 192.168.0.3;branch=z9hG4bKa6cf8b6a7c7198a1
  From: "Angus Comber" <sip:200 at 192.168.0.13;user=phone>;tag=a1afaf4fdb0ac845
  To: <sip:777 at 192.168.0.13;user=phone>;tag=as668982be
  Call-ID: 11e4ca07b25c9335 at 192.168.0.3
  CSeq: 45925 INVITE
  User-Agent: Asterisk PBX
  Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER
  Contact: <sip:777 at 192.168.0.13>
  Proxy-Authenticate: Digest realm="asterisk", nonce="0c555366"
  Content-Length: 0


   to 192.168.0.3:5060
  Scheduling destruction of call '11e4ca07b25c9335 at 192.168.0.3' in 15000 ms
  Found user '200'


  Sip read:
  ACK sip:777 at 192.168.0.13;user=phone SIP/2.0
  Via: SIP/2.0/UDP 192.168.0.3;branch=z9hG4bKa6cf8b6a7c7198a1
  From: "Angus Comber" <sip:200 at 192.168.0.13;user=phone>;tag=a1afaf4fdb0ac845
  To: <sip:777 at 192.168.0.13;user=phone>;tag=as668982be
  Contact: <sip:200 at 192.168.0.3;user=phone>
  Call-ID: 11e4ca07b25c9335 at 192.168.0.3
  CSeq: 45925 ACK
  User-Agent: Grandstream GXP2000 1.0.1.9
  Max-Forwards: 70
  Allow: INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE,UPDATE,PRACK
  Content-Length: 0


  11 headers, 0 lines


  Sip read:
  INVITE sip:777 at 192.168.0.13;user=phone SIP/2.0
  Via: SIP/2.0/UDP 192.168.0.3;branch=z9hG4bKe570dfe4b8441304
  From: "Angus Comber" <sip:200 at 192.168.0.13;user=phone>;tag=a1afaf4fdb0ac845
  To: <sip:777 at 192.168.0.13;user=phone>
  Contact: <sip:200 at 192.168.0.3;user=phone>
  Supported: replaces, timer
  Proxy-Authorization: Digest username="200", realm="asterisk", algorithm=MD5, uri="sip:777 at 192.168.0.13;user=phone", nonce="0c555366", response="ee6088fb4e50da5fe412913ae40dd45c"
  Call-ID: 11e4ca07b25c9335 at 192.168.0.3
  CSeq: 45926 INVITE
  User-Agent: Grandstream GXP2000 1.0.1.9
  Max-Forwards: 70
  Allow: INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE,UPDATE,PRACK
  Content-Type: application/sdp
  Content-Length: 258

  v=0
  o=200 8000 8001 IN IP4 192.168.0.3
  s=SIP Call
  c=IN IP4 192.168.0.3
  t=0 0
  m=audio 5004 RTP/AVP 18 0 8 101
  a=sendrecv
  a=rtpmap:18 G729/8000
  a=rtpmap:0 PCMU/8000
  a=rtpmap:8 PCMA/8000
  a=ptime:20
  a=rtpmap:101 telephone-event/8000
  a=fmtp:101 0-11

  14 headers, 13 lines
  Using latest request as basis request
  Sending to 192.168.0.3 : 5060 (non-NAT)
  Found user '200'
  Found RTP audio format 18
  Found RTP audio format 0
  Found RTP audio format 8
  Found RTP audio format 101
  Peer audio RTP is at port 192.168.0.3:5004
  Found description format G729
  Found description format PCMU
  Found description format PCMA
  Found description format telephone-event
  Capabilities: us - 0x10d (g723|ulaw|alaw|g729), peer - audio=0x10c (ulaw|alaw|g729)/video=0x0 (nothing), combined - 0x10c (ulaw|alaw|g729)
  Non-codec capabilities: us - 0x1 (g723), peer - 0x1 (g723), combined - 0x1 (g723)
  Looking for 777 in default
  Reliably Transmitting (no NAT):
  SIP/2.0 404 Not Found
  Via: SIP/2.0/UDP 192.168.0.3;branch=z9hG4bKe570dfe4b8441304
  From: "Angus Comber" <sip:200 at 192.168.0.13;user=phone>;tag=a1afaf4fdb0ac845
  To: <sip:777 at 192.168.0.13;user=phone>;tag=as668982be
  Call-ID: 11e4ca07b25c9335 at 192.168.0.3
  CSeq: 45926 INVITE
  User-Agent: Asterisk PBX
  Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER
  Contact: <sip:777 at 192.168.0.13>
  Content-Length: 0


   to 192.168.0.3:5060


  Sip read:
  ACK sip:777 at 192.168.0.13;user=phone SIP/2.0
  Via: SIP/2.0/UDP 192.168.0.3;branch=z9hG4bKe570dfe4b8441304
  From: "Angus Comber" <sip:200 at 192.168.0.13;user=phone>;tag=a1afaf4fdb0ac845
  To: <sip:777 at 192.168.0.13;user=phone>;tag=as668982be
  Contact: <sip:200 at 192.168.0.3;user=phone>
  Proxy-Authorization: Digest username="200", realm="asterisk", algorithm=MD5, uri="sip:777 at 192.168.0.13;user=phone", nonce="0c555366", response="7fcb1024a81b3ea3bcc56baeca4bac3e"
  Call-ID: 11e4ca07b25c9335 at 192.168.0.3
  CSeq: 45926 ACK
  User-Agent: Grandstream GXP2000 1.0.1.9
  Max-Forwards: 70
  Allow: INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE,UPDATE,PRACK
  Content-Length: 0


  12 headers, 0 lines
  Destroying call '11e4ca07b25c9335 at 192.168.0.3'


  How can I troubleshoot?  What should I be looking at?

  Angus



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