[Telepathy] telepathy-sofiasip: problem of connection

Matthieu LAURENT matthieu.laurent at purplelabs.com
Thu Apr 19 08:03:35 PDT 2007

I am trying the telepathy-sofiasip projet.
I have launched
./tp_caller sip:multimediapurplelabs at ekiga.net my_pass_word
and I can not connect.

The ethereal traces show that
Src Port: 5060 (5060), Dst Port: 5060 (5060)
is it normal to have the same port?

more over, we see that
CSeq: 82334267 REGISTER
should'nt it begin by number 1?

can these 2 strange things be the origin of my connection problem?

thanks for your help


I have logged what's happening on the network with ethereal and here are
the 4 SIP messages (2 request of registration of my PC and 2 answears of
the serveur)
Do you have an explanation for this problem?

No.     Time        Source                Destination           Protocol
     74 2.311031            SIP     
Request: REGISTER sip:ekiga.net

Frame 74 (561 bytes on wire, 561 bytes captured)
Ethernet II, Src: AsustekC_08:5f:b3 (00:11:d8:08:5f:b3), Dst:
3Com_86:0f:15 (00:04:75:86:0f:15)
Internet Protocol, Src: (, Dst:
User Datagram Protocol, *Src Port: 5060 (5060), Dst Port: 5060 (5060)*
Session Initiation Protocol
    Request-Line: REGISTER sip:ekiga.net SIP/2.0
        Method: REGISTER
        [Resent Packet: False]
    Message Header
        Via: SIP/2.0/UDP;rport;branch=z9hG4bKX0152H1mU5eQp
        Max-Forwards: 70
        From: <sip:multimediapurplelabs at ekiga.net>;tag=X2XtDS8XD9ZDg
            SIP from address: sip:multimediapurplelabs at ekiga.net
            SIP tag: X2XtDS8XD9ZDg
        To: <sip:multimediapurplelabs at ekiga.net>
            SIP to address: sip:multimediapurplelabs at ekiga.net
        Call-ID: e2d937a5-6858-122a-9fb9-0011d8085fb3
       * CSeq: 82334267 REGISTER*
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