Searching with CouchDB in Python
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Chances are if you’re reading this, you’re trying to work out what Telephony Binary-Coded Decimal encoding is. I got you. Again I found myself staring at encoding trying to guess how it worked, reading references that looped into other references, in this case I was encoding MSISDN AVPs in Diameter. How to Encode a number […]
Bolting an SNMP Server and stats collection onto your existing Python projects.
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Open5GS Python Library / API
A while ago I wrote a Python library for interfacing Open5GS HSS to Python. The Open5GS HSS uses a MongoDB backend, so the library is just running formatted Mongo queries. You can create, edit and delete subscribers in the HSS, along with modifying any parameters you can from the WebUI. Take a look: https://github.com/open5gs/open5gs/tree/master/misc/db/python
Using KEMI to handle Kamailio SIP Routing in Python
Note: NextEPC the Open Source project rebranded as Open5Gs in 2019 due to a naming issue. The remaining software called NextEPC is a branch of an old version of Open5Gs. This post was written before the rebranding. I’ve been working for some time on Private LTE networks, the packet core I’m using is NextEPC, it’s […]
Connecting to RTPengine via Python
I recently started working on an issue that I’d seen was to do with the HSS response to the MME on an Update Location Answer. I took some Wireshark traces of a connection from the MME to the HSS, and compared that to a trace from a different HSS. (Amarisoft EPC/HSS) The Update Location Answer […]
Basic usage of a Python RTP library I wrote
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SCTP in Python
I’ve written in the past about SCTP – Stream Control Transmission Protocol, talking about it’s advantages and how to implement it in Kamailio. If you’d like to write your own software using SCTP there’s a fantastic SCTP sockets library from P1 Security that makes this easy as any other socket programming. Take a look at […]
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USSD Gateway with Osmocom
Unstructured Supplementary Service Data or “USSD” is the stack used in Cellular Networks to offer interactive text based menus and systems to Subscribers. If you remember topping up your mobile phone credit via a text menu on your flip phone, there’s a good chance that was USSD*. For a period, USSD Services provided Sporting Scores, […]
Starting calls from FreeSWITCH
Importing .msi antennas radiation patterns into Atoll
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Backing up and Restoring Open5GS
How to backup and restore Open5Gs config between servers
Using mod_httpapi to HTTP POST call recordings to a remote server
New database time to support slicing and a migration path for existing users.
Introducing YAML based config files for defining how PyHSS should be setup
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PyHSS Update – SCTP Support
Info on PyHSS new support for SCTP as well as TCP.
Sending commands/APDUs to a real life Smart Card.
Australia is a strange country; As a kid I was scared of dogs, and in response, our family got a dog. This year started off with adventures working with ASN.1 encoded data, and after a week of banging my head against the table, I was scared of ASN.1 encoding. But now I love dogs, and […]