Hi Malte,
Keep in mind that the payload of the ISUP body is binary, so may not be
human readable. Could you do a pcap capturing of the resulting INVITE
and attach it here?
Regards,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
https://www.opensips-solutions.com
https://www.siphub.com
On 14.03.2025 17:21, s...@lard.at wrote:
Dear people,
I've got a problem with the SIP-I module in openSIPS 3.5:
I am trying to add a IAM to the SDP-Part of a SIP-INVITE. When using
add_isup_part() the function is adding a new ISUP section to SDP.
Inside the ISUP section theres a header but no body part.
init_iam_default is correctly extracting Calling/Called party numbers.
There is no error in log. I am using the function inside the default
REQUEST_ROUTE block of the Trunking script.
Does somebody has an idea why my approach isn't working?
Thx,
Malte
#### SIP_I module
loadmodule "sip_i.so"
modparam("sip_i", "default_part_headers",
"Content-Disposition:signal;handling=required\r\n")
modparam("sip_i", "country_code", "+43")
####### Routing Logic ########
# main request routing logic
route {
add_isup_part();
[default script]
}
--OSS-unique-boundary-42
Content-Type: application/sdp
[...]
--OSS-unique-boundary-42
Content-Type: application/ISUP;version=itu-t92+
Content-Disposition:signal;handling=required
^^H
INFO:sip_i:init_iam_default: Called party number set to: 43991001
Mar 14 15:51:53 opensips-test /usr/sbin/opensips[74183]:
DBG:core:parse_headers: flags=3000000000
Mar 14 15:51:53 opensips-test /usr/sbin/opensips[74183]:
DBG:core:_parse_to: end of header reached, state=10
Mar 14 15:51:53 opensips-test /usr/sbin/opensips[74183]:
DBG:core:_parse_to: display={}, ruri={sip:+43771...@xxx.at;user=phone}
Mar 14 15:51:53 opensips-test /usr/sbin/opensips[74183]:
INFO:sip_i:init_iam_default: Calling party number set to: 771001
Mar 14 15:51:53 opensips-test /usr/sbin/opensips[74183]:
DBG:sip_i:add_isup_part_cmd: Initial address message parameters set
by default
Mar 14 15:51:53 opensips-test /usr/sbin/opensips[74183]:
DBG:core:parse_headers: flags=ffffffffffffffff
Mar 14 15:51:53 opensips-test /usr/sbin/opensips[74183]:
DBG:core:decode_mime_type: Decoding MIME type for:[application/sdp]
Mar 14 15:51:53 opensips-test /usr/sbin/opensips[74183]:
DBG:core:add_body_part: adding mime
<application/ISUP;version=itu-t92+>, hdrs
<Content-Disposition:signal;handling=required
>, body=<>
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