Need Help In installing openBSC for establishing GSM network with EDGE support

Neels Hofmeyr nhofmeyr at
Mon Jul 18 11:01:32 UTC 2016

On Fri, Jul 15, 2016 at 06:11:53AM +0530, ayush gupta wrote:
> There is no such command.
> Error occurred during reading below line:
>  extension-prefix 0

This means that the config file you used contains a line that osmo-nitb does
not understand.

Looking in the git logs, I could actually not find this config item anywhere in
the past of our main line osmo-nitb. So maybe this config file once worked with
a development branch of osmo-nitb. Sounds related to telephone numbers.

I'd suggest simply removing the extension-prefix line from

Also note that we've moved to redmine, and the page you referenced was migrated to
(which doesn't mean that anyone fixed it, though)

Hope to have helped,


- Neels Hofmeyr <nhofmeyr at>
* sysmocom - systems for mobile communications GmbH
* Alt-Moabit 93
* 10559 Berlin, Germany
* Sitz / Registered office: Berlin, HRB 134158 B
* Geschäftsführer / Managing Directors: Harald Welte
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