[sip-comm-dev] Using SIP with voice data stream?


#1

Hello,

    I am working on a project to grab an incoming raw voice data from a
socket and redirect it to another machine using SIP which machine will
in turn redirect the voice stream to a client program which will utilize
and listen in on the voice data. I have not been able to find any code
samples of anyone trying to work with voice data and SIP and was
wondering if anyone here has seen or run across or knows of any code
samples or projects that have used SIP with voice data. If you do
please let me know so that I might be able to learn from it. I know
that SIP Communicator uses and can make voice calls using SIP, but
finding the code I need has been a difficult task and not
straightforward. If someone can give me some guidance in this area I
would be appreciative as well. Thanks.

M Fonnesbeck
mfonnesbeck[at]sorenson.com


#2

Hello Merrick Fonnesbeck,
   
  Media streams over Internet are not accessed directly by sockets. We are using abstraction above internet socket called "RTP". The sip-communicator (and other sip phones) uses a package called "JMF - Java Media Framework" to handle the media streaming.
   
  To read the implementation in sip-communicator you may look at:
  net/java/sip/communicator/impl/media/MediaControl.java
  net/java/sip/communicator/impl/media/CallSessionImpl.java
   
  We at www.siptele.com are doing such applications for competitive fee.
   
  HIH
   
  Michael

···

Merrick Fonnesbeck <MFonnesbeck@sorenson.com> wrote:
      Hello,
   
      I am working on a project to grab an incoming raw voice data from a socket and redirect it to another machine using SIP which machine will in turn redirect the voice stream to a client program which will utilize and listen in on the voice data. I have not been able to find any code samples of anyone trying to work with voice data and SIP and was wondering if anyone here has seen or run across or knows of any code samples or projects that have used SIP with voice data. If you do please let me know so that I might be able to learn from it. I know that SIP Communicator uses and can make voice calls using SIP, but finding the code I need has been a difficult task and not straightforward. If someone can give me some guidance in this area I would be appreciative as well. Thanks.
   
  M Fonnesbeck
mfonnesbeck[at]sorenson.com