Hi, just wanted to give you an update on this. The [peer_tag_param] did not work for me. The parsing solution did work! I made a mistake in the via-header. After fixing this SIPp recognizes the answer correctly.
-- Moritz On 02/27/2015 02:19 PM, Moritz Graf wrote: > Hi Folks, > > I am having issues inserting the correct to-tag in a ReInvite of a > Call, where I at first received a Invite. SIPp is talking to a > Softswitch, the scenario is the following (I simplified it a little): > > 1. sipp receives a INVITE (msg_1), > 2. responds with a 200 OK (msg_3) and > 3. recveives a ACK(msg_3). The Call is established. > 4. Now, I want sipp to send a ReINVITE (to put the opposite side on hold). > Problem here: How do I get the correct to-tag? UAS/ UAC changes in > this situation, so [last_to] doesn't work. > > At first, from the examples I thought it might be [peer_tag_param]. > But using this, the param doesn't get populated. > Google brought me this from 2007: > https://www.mail-archive.com/sipp-users@lists.sourceforge.net/msg01007.html > I really tried, like suggested to take the assignment out of the > if()-Statement. But the result is, that the wrong tag is inserted. > SIPp takes the tag of the to-header of the first transaction. > > I also tried something else: The tag I need is from the > ACK(msg_3)-from-header and has to be inserted into the to:-header of > the ReInvite. So I tried the following: > <recv request="ACK" rrs="true"> > <action> > <ereg regexp="tag=[-0-9A-Za-z]*" > searchin="hdr" > header="From:" > assign_to="1" /> > </action> > </recv> > This actually works. The tag is inserted correctly and the softswitch > responds. Problem: SIPp does not recognise the answerpacket correctly > and throws ICMP messages, the test fails. > > Any suggestions? Is this even possible? > > thanks in advance, > moritz > > -- > > Moritz Graf > > G-FIT Gesellschaft für innovative Telekommunikationsdienste > mbH & Co. KG, Kommanditgesellschaft, Sitz Regensburg, > Registergericht Regensburg, HRA 7626; > Geschäftsführer: Dipl.Inf. (FH) Alfred Rauscher -- Moritz Graf G-FIT Gesellschaft für innovative Telekommunikationsdienste mbH & Co. KG, Kommanditgesellschaft, Sitz Regensburg, Registergericht Regensburg, HRA 7626; Geschäftsführer: Dipl.Inf. (FH) Alfred Rauscher
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