[PATCH] doc/examples: osmo-nitb: Fix no voice when using sysmobts

[Alvaro Neira]

From: Álvaro Neira Ayuso <alvaroneay at gmail.com>

If the default codec is not specified, I get no voice in my calls.
This patch adds the parameters default-codec tch-f and tch-h to get
the voice working.

Signed-off-by: Alvaro Neira Ayuso <alvaroneay at gmail.com>
---
 openbsc/doc/examples/osmo-nitb/nanobts/openbsc.cfg |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/openbsc/doc/examples/osmo-nitb/nanobts/openbsc.cfg b/openbsc/doc/examples/osmo-nitb/nanobts/openbsc.cfg
index 7a44308..0eda9f6 100644
--- a/openbsc/doc/examples/osmo-nitb/nanobts/openbsc.cfg
+++ b/openbsc/doc/examples/osmo-nitb/nanobts/openbsc.cfg
@@ -75,3 +75,6 @@ network
      phys_chan_config TCH/F
     timeslot 7
      phys_chan_config TCH/F
+mncc-int
+ default-codec tch-f amr
+ default-codec tch-h amr