Double call "onGetUserMediaSuccess" and "createAnswer". Sipml5 can't answer on some calls and sends BYE.

[GoogleCodeExporter]

What steps will reproduce the problem?

The problem is reproduced unstable. The series of calls can be successful 
before failure.

What is the expected output? What do you see instead?

Expected output:

SIPml-api.js:1 State machine: s0000_Ringing_2_Connected_X_Accept
SIPml-api.js:1 onSignalingstateChange:have-remote-offer
SIPml-api.js:1 onGetUserMediaSuccess
SIPml-api.js:1 createAnswer
SIPml-api.js:1 onSetRemoteDescriptionSuccess
SIPml-api.js:1 onCreateSdpSuccess
SIPml-api.js:1 __on_add_stream
SIPml-api.js:1 onNegotiationNeeded
SIPml-api.js:1 onSignalingstateChange:stable
SIPml-api.js:1 onSetLocalDescriptionSuccess
10SIPml-api.js:1 onIceCandidate = gathering
SIPml-api.js:1 onIceCandidate = complete
SIPml-api.js:1 ICE GATHERING COMPLETED!
SIPml-api.js:1 onIceGatheringCompleted
SIPml-api.js:1 State machine: tsip_transac_ist_Proceeding_2_Accepted_X_2xx
SIPml-api.js:1 SEND: SIP/2.0 200 OK
Via: SIP/2.0/WSS 54.84.102.56:5260;rport=5260;branch=z9hG4bKNFeScNQ7NjS6m
From: "1003"<sip:1003@54.84.102.56>;tag=vSFFagK514rHQ
To: 
<sip:1001@df7jal23ls0d.invalid;rtcweb-breaker=no;transport=wss;received=5.17.143
.16:52708>;tag=hiJ7p9x8rJoqedka963W
Contact: <sips:1001@df7jal23ls0d.invalid;transport=wss>
Call-ID: 2e1733cf-28cf-1233-ddad-1276e53d47fc
CSeq: 71287245 INVITE
Content-Type: application/sdp
Content-Length: 2426
Allow: ACK, BYE, CANCEL, INVITE, MESSAGE, NOTIFY, OPTIONS, PRACK, REFER, UPDATE

Failure:

SIPml-api.js:1 State machine: s0000_Ringing_2_Connected_X_Accept
SIPml-api.js:1 onGetUserMediaSuccess
SIPml-api.js:1 createAnswer
SIPml-api.js:1 onSetRemoteDescriptionSuccess
SIPml-api.js:1 onCreateSdpSuccess
SIPml-api.js:1 onSignalingstateChange:have-remote-offer
SIPml-api.js:1 onGetUserMediaSuccess
SIPml-api.js:1 createAnswer
SIPml-api.js:1 __on_add_stream
SIPml-api.js:1 onNegotiationNeeded
SIPml-api.js:1 onSetLocalDescriptionSuccess
SIPml-api.js:1 onCreateSdpSuccess
SIPml-api.js:1 onSignalingstateChange:stable
SIPml-api.js:1 onSetLocalDescriptionError
SIPml-api.js:1 State machine: x0000_Any_2_Trying_X_oBYE
SIPml-api.js:1 SEND: BYE sip:mod_sofia@54.84.102.56:5260 SIP/2.0
Via: SIP/2.0/WSS 
df7jal23ls0d.invalid;branch=z9hG4bKuOWOFM7bGNknvFCiPg9wTXeisIDmprfA;rport
From: <sip:1001@df7jal23ls0d.invalid>;tag=gprwcPxgP4aAhps65HMF
To: "1003"<sip:1003@54.84.102.56>;tag=QaZ0F58H9XQ7Q
Call-ID: 5416e4a6-28cb-1233-ddad-1276e53d47fc
CSeq: 14627 BYE
Content-Length: 0
Max-Forwards: 70
Accept-Contact: *;+g.oma.sip-im
Accept-Contact: *;+sip.ice
Accept-Contact: *;language="en,fr"
Accept-Contact: *;+g.oma.sip-im
Accept-Contact: *;+sip.ice
Accept-Contact: *;language="en,fr"
User-Agent: IM-client/OMA1.0 sipML5-v1.0.0.0

What version of the product are you using? On what operating system?
SIPML5 version = 1.5.222
Client's OS:  Windows 7 Enterprise, MAC OS X Yosemite 
Browsers: Chrome (40.0.2214.111)

Please provide any additional information below.
See attached full SIP logs:  failure.log and success.log
Also please notice that in failure case we can see double call 'createAnswer' 
method for an unknown reason.

Please advise. Thanks in advance.

Original issue reported on code.google.com by AP.Rol...@gmail.com on 9 Feb 2015 at 11:09

Attachments:

• failure.log
• success.log