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When we issue a RF Channel Release in case of a failure we receive RLL release indications after the channel was tearn down and we issue another RF Channel Release as a result. The channel allocator might have already allocated this channel and we release the channel again with another MS on it. Make rsl_rf_chan_release take an error argument and make it set a new state in case of an error and change the RF Channel Release ack to not set the state back to none in case of an error but wait for a timeout that is a bit higher than T3111. I tested this with removing the battery during a phonecall and waiting for the channel failure. With this test we only send the release once.
About OpenBSC ============= OpenBSC is a minimalistic implementation of the GSM Network, with particular emphasis on the functionality typically provided by the BSC, MSC, HLR, VLR and SMSC. Its currently supported interfaces towards the BTS are: * Classic A-bis over E1 using a mISDN based E1 interface. In other words, you can connect existing GSM Base Transceiver Station (BTS) through E1 to OpenBSC. So far, we have only tested the Siemens BS-11 Test reports with other BTS are much appreciated! * A-bis over IP as used by the ip.access nanoBTS product family You can find the project documentation at http://openbsc.gnumonks.org/ This project is still in its early days, and there are lots of areas where it doesn't behave as per GSM spec. Harald Welte <laforge@gnumonks.org> libosmocore =========== Please note that as of March 2010, OpenBSC has a dependency to a library called "libosmocore". You can obtain that library from git://git.osmocom.org/libosmocore.git