Hi
i am using sipp for call hold scenerio. here i am using x-lite as uac and sipp
as uas.
here i want to implement the logic, when x-lite press hold button, my sipp will
receive invite and it will parse the msg field (c=0.0.0.0 || a=sendonly || c &
a field), if it matches with any of the field, then go for sending 200 ok with
c=0.0.0.0 or a= recvonly, if it did not receive INVITE from x-lite, then close
the call by sendind BYE.
here i am attaching uas.xml script, here i have doubt how to parse the "c" and
"a" msg field and then how to send response corresponding to that request
Regards,
Manasi
<recv request="INVITE">
<optional="true">
<action>
<ereg regexp="c:IN IP[media_ip_type] 0\.0\.0\.0" search_in="msg"
check_it="true" assign_to="none" next="1"/>
</action>
<next="1">
<action>
<ereg regexp="a:sendonly" search_in="msg" check_it="true"
assign_to="none" next="2"/>
</action>
<action>
<ereg regexp="c:IN IP[media_ip_type] [0\.0\.0\.0\>]" search_in="msg"
check_it="true" assign_to="none" />
<ereg regexp="a:sendonly" search_in="msg" check_it="true"
assign_to="none" next="3"/>
</action>
</recv>
<label id="1" />
<send retrans="500">
<![CDATA[
SIP/2.0 200 OK
[last_Via:]
[last_From:]
[last_To:];tag=[pid]SIPpTag01[call_number]
[last_Call-ID:]
[last_CSeq:]
Contact: <sip:[local_ip]:[local_port];transport=[transport]>
Content-Type: application/sdp
Content-Length: [len]
v=0
o=user1 53655765 2353687637 IN IP[local_ip_type] [local_ip]
s=-
c=IN IP[media_ip_type] 0.0.0.0
t=0 0
m=audio [media_port] RTP/AVP 0
a=rtpmap:0 PCMU/8000
]]>
</send>
<label id="2" >
<send retrans="500">
<![CDATA[
SIP/2.0 200 OK
[last_Via:]
[last_From:]
[last_To:];tag=[pid]SIPpTag01[call_number]
[last_Call-ID:]
[last_CSeq:]
Contact: <sip:[local_ip]:[local_port];transport=[transport]>
Content-Type: application/sdp
Content-Length: [len]
v=0
o=user1 53655765 2353687637 IN IP[local_ip_type] [local_ip]
s=-
c=IN IP[media_ip_type] [media_ip]
t=0 0
m=audio [media_port] RTP/AVP 0
a=recvonly
]]>
</send>
<label id="3" />
<send retrans="500">
<![CDATA[
SIP/2.0 200 OK
[last_Via:]
[last_From:]
[last_To:];tag=[pid]SIPpTag01[call_number]
[last_Call-ID:]
[last_CSeq:]
Contact: <sip:[local_ip]:[local_port];transport=[transport]>
Content-Type: application/sdp
Content-Length: [len]
v=0
o=user1 53655765 2353687637 IN IP[local_ip_type] [local_ip]
s=-
c=IN IP[media_ip_type] 0.0.0.0
t=0 0
m=audio [media_port] RTP/AVP 0
a=recvonly
]]>
</send>
<recv request="BYE">
</recv>
<send>
<![CDATA[
SIP/2.0 200 OK
[last_Via:]
[last_From:]
[last_To:]
[last_Call-ID:]
[last_CSeq:]
Contact: <sip:[local_ip]:[local_port];transport=[transport]>
Content-Length: 0
]]>
</send>------------------------------------------------------------------------------
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