Module debug in Kamailio
Nick Sometimes Kamailio modules don't behave how you expect them to, and you want to dive a little deeper into what's going on...
Kamailio
Kamailio – NDB_Redis – undefined symbol: redisvCommand
I ran into this issue the other day while compiling Kamailio from source: Jul 03 23:49:35 kamailio: ERROR: <core> : ksr_load_module(): could not open module </usr/local/lib64/kamailio/modules/ndb_redis.so>: /usr/local/lib64/kamailio/modules/ndb_redis.so: undefined symbol: redisvCommandJul…
Libpython3.11 problems with Kamailio on Ubuntu 22.04
I run Ubuntu on my desktop and I mess with Kamailio a lot. Recently I was doing some work with KEMI using Python, but installing the latest versions of Kamailio…
Kamailio Websocket – Allowing binding to Port 443 & Port 80
If you’re setting up Kamailio for support for WebSocket and need to bind to TCP port 80 or TCP port 443, you may run into the issue that permission is…
Kamailio Bytes: Stripping SIP Multipart Bodies
Using Kamailio to transform a Multipart MIME SIP Body into a plain SDP only SIP body.
VoLTE / IMS – Analysis Challenge
An IMS Analysis Challenge - Find the answers to the questions through analysis of PCAPs.
RTPengine – Installation & Configuration (Ubuntu 20.04 / 22.04)
Installing RTPengine on Ubuntu releases
HOMER API in Python
Interacting with Homer SIP capture vai the API
Failures in cobbling together a USSD Gateway
Adventures in setting up a non-working USSD Gateway for IMS
Kamailio Bytes: Adding Prometheus + Grafana to Kamailio
Adding Prometheus support to Kamailio and rendering stats in Grafana
Kamailio Diameter Routing Agent Support
Using Kamailio with a Diameter Routing Agent
Kamailio I-CSCF – SRV Lookup Behaviour
Recently I had a strange issue I thought I’d share. Using Kamailio as an Interrogating-CSCF, Kamailio was getting the S-CSCF details from the User-Authorization-Answer’s “Server-Name” (602) AVP. The value was…
Kamailio Bytes – Extracting SDP Parameters with Kamailio
Extracting SDP Parameters with Kamailio
Kamailio, IMS & DNS Headches
A quick post on a lesson that took me a while to learn with DNS, Kamailio and IMS.
FreeSWITCH, Kamailio & IMS Extensions
Bad Extension is nothing to do with the Dialplan...
The Surprisingly Complicated World of SMS: Apple iPhone MT SMS
Quirks and gotchas of working with SMS on IMS on iPhones.
Kamailio Bytes – Working with Redis
Using Redis with Kamailio
FreeSWITCH as an IMS Application Server
Using FreeSWITCH as an IMS Application Server
Handling multiple SIP headers with the same name in Kamailio
Some tricks to handle if you've got multiple headers all with the same name in Kamailio
Kamailio Bytes – Using Rtimer to run Jobs
Using the Rtimer module and UAC to be annoying, or very useful.