[Blink] New Blink Pro for OSX version 4.1.0 with ZRTP end-to-end audio/video encryption

Thu Nov 20 17:31:38 CET 2014

As Dan explained, the problem is not in Blink but in the remote server. The server should not send a video stream at all or if it sends one it must be syntactically correct. 

I am not sure what we can fix in this respect but you should ask you provider to make a fix their server as their INVITE is broken.

Adrian

On 20 Nov 2014, at 14:07, Kevin Layer <layer at franz.com> wrote:

> Dan Pascu wrote:
> 
>>> The INVITE you receive from asterisk has an incomplete/invalid video stream specification. A line similar to this one (that you can see in the 200 OK that Blink sends), must also be present in the INVITE from asterisk:
>>> 
>>> a=fmtp:99 profile-level-id=42001f;packetization-mode=0
>>> 
>>> without it, the codec cannot be negotiated as it has no idea what parameters will be used and as a result you see the error:
>>> 
>>> Could not initialize RTP for video session: Codec internal creation
>>> error (PJMEDIA_CODEC_EFAILED) (500)
> 
> I see this in the error I reported yesterday.
> 
> I stupidly upgraded my home machine to 4.1.0 before trying the old
> version.  Now incoming calls are broken for me at home, too!
> 
> Adrian, do you know what the issue is?  Is a fix coming soon?  I have
> to switch to another app because I can't receive calls.  Thanks.
> 
>>> 
>>> On 19 Nov 2014, at 23:08, Kevin Layer wrote:
>>> 
>>>> Here's the SIP log, for another call that behaved the same way:
>>>> 
>>>> RECEIVED: Packet 70, +0:12:51.767797
>>>> 2014-11-19 13:05:10.051697: xxx.xxx.xxx.5:5060 -(SIP over UDP)->
>>>> xxx.xxx.xxx.149:57388
>>>> INVITE sip:26951487 at xxx.xxx.xxx.149:57388 SIP/2.0
>>>> Via: SIP/2.0/UDP xxx.xxx.xxx.5:5060;branch=z9hG4bK3abbdff1;rport
>>>> Max-Forwards: 70
>>>> From: "Mr. Foo Bar" <sip:127 at xxx.xxx.xxx.5>;tag=as23444ac2
>>>> To: <sip:26951487 at xxx.xxx.xxx.149:57388>
>>>> Contact: <sip:127 at xxx.xxx.xxx.5:5060>
>>>> Call-ID: 25f99afe01f1503543905cc47c493627 at xxx.xxx.xxx.5:5060
>>>> CSeq: 102 INVITE
>>>> User-Agent: FPBX-2.10.0(1.8.11)
>>>> Date: Wed, 19 Nov 2014 21:05:10 GMT
>>>> Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY,
>>>> INFO, PUBLISH
>>>> Supported: replaces, timer
>>>> Content-Type: application/sdp
>>>> Content-Length: 417
>>>> 
>>>> v=0
>>>> o=root 291324575 291324575 IN IP4 xxx.xxx.xxx.5
>>>> s=Asterisk PBX 1.8.11-cert7
>>>> c=IN IP4 xxx.xxx.xxx.5
>>>> b=CT:384
>>>> t=0 0
>>>> m=audio 15408 RTP/AVP 0 8 3 101
>>>> a=rtpmap:0 PCMU/8000
>>>> a=rtpmap:8 PCMA/8000
>>>> a=rtpmap:3 GSM/8000
>>>> a=rtpmap:101 telephone-event/8000
>>>> a=fmtp:101 0-16
>>>> a=ptime:20
>>>> a=sendrecv
>>>> m=video 12210 RTP/AVP 34 98 99
>>>> a=rtpmap:34 H263/90000
>>>> a=rtpmap:98 h263-1998/90000
>>>> a=rtpmap:99 H264/90000
>>>> a=sendrecv
>>>> 
>>>> SENDING: Packet 73, +0:12:52.992536
>>>> 2014-11-19 13:05:11.276436: xxx.xxx.xxx.149:57388 -(SIP over UDP)->
>>>> xxx.xxx.xxx.5:5060
>>>> SIP/2.0 200 OK
>>>> Via: SIP/2.0/UDP
>>>> xxx.xxx.xxx.5:5060;rport=5060;received=xxx.xxx.xxx.5;branch=z9hG4bK3abbdff1
>>>> Call-ID: 25f99afe01f1503543905cc47c493627 at xxx.xxx.xxx.5:5060
>>>> From: "Mr. Foo Bar" <sip:127 at xxx.xxx.xxx.5>;tag=as23444ac2
>>>> To:
>>>> <sip:26951487 at xxx.xxx.xxx.149>;tag=KHPrL2-2MnSuUCRk10Vf6KJ7e4cBe0Gl
>>>> CSeq: 102 INVITE
>>>> Server: Blink Pro 4.1.0 (MacOSX)
>>>> Allow: SUBSCRIBE, NOTIFY, PRACK, INVITE, ACK, BYE, CANCEL, UPDATE,
>>>> MESSAGE, REFER
>>>> Contact: <sip:26951487 at xxx.xxx.xxx.149:57388>
>>>> Supported: 100rel, replaces, norefersub, gruu
>>>> Content-Type: application/sdp
>>>> Content-Length:   582
>>>> 
>>>> v=0
>>>> o=- 3625419911 3625419912 IN IP4 xxx.xxx.xxx.149
>>>> s=Blink Pro 4.1.0 (MacOSX)
>>>> t=0 0
>>>> m=audio 50012 RTP/AVP 0 101
>>>> c=IN IP4 xxx.xxx.xxx.149
>>>> a=rtcp:50013
>>>> a=rtpmap:0 PCMU/8000
>>>> a=rtpmap:101 telephone-event/8000
>>>> a=fmtp:101 0-16
>>>> a=zrtp-hash:1.10
>>>> 2d96ee26bf5ef5ee6b0a13968f12dedfb64f7954c8d4e6e7b625af332ec32613
>>>> a=sendrecv
>>>> m=video 50014 RTP/AVP 99
>>>> c=IN IP4 xxx.xxx.xxx.149
>>>> b=TIAS:4000000
>>>> a=rtcp:50015
>>>> a=zrtp-hash:1.10
>>>> 6def416cd947a6cc6f69b0acaf62816f97f35224943b81dd8c615a0d4a87ddcc
>>>> a=sendrecv
>>>> a=rtpmap:99 H264/90000
>>>> a=fmtp:99 profile-level-id=42001f;packetization-mode=0
>>>> 
>>> 
>>> --
>>> Dan
>>> 
>>> 
>>> 
>>> 
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--
Adrian

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