README.md in-line with that of other osmocom CNI projects: * markdown syntax * link to manuals, issue tracker, gerrit contributions, etc. Change-Id: Ieadbbe4d2963e713d569460d053460f4f99d40ebchanges/73/28373/1
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Osmo SIP Connector
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==================
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Simple utility to map MNCC to SIP and SIP to MNCC. The VTY interface
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can be used to make configurations. The code doesn't have any RTP or
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transcoding support.
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Call identities can be either the MSISDN or the IMSI of the subscriber.
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Requirements of Equipment
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^^^^^^^^^^^^^^^^^^^^^^^^^
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* DTMF need to be sent using SIP INFO messages. DTMF in RTP is not
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supported.
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* BTS+PBX and SIP connector+PBX must be in the same network (UDP must be
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able to flow directly between these elements)
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* No handover support.
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* IP based BTS (e.g. Sysmocom sysmoBTS but no Siemens BS11)
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* No emergency calls
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Limitations
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^^^^^^^^^^^
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* PT of RTP needs to match the one used by the BTS. E.g. AMR needs to use
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the same PT as the BTS. This is because rtp_payload2 is not yet supported
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by the osmo-bts software.
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* AMR SDP file doesn't include the mode-set params and allowed codec modes.
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This needs to be configured in some way.
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osmo-sip-connector - Osmocom SIP connector
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==========================================
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This implements an interface between the MNCC (Mobile Network Call Control)
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interface of OsmoMSC (and also previously OsmoNITB) and SIP.
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Call identities can be either the MSISDN or the IMSI of the subscriber.
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Requirements of Equipment
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-------------------------
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* DTMF need to be sent using SIP INFO messages. DTMF in RTP is not
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supported.
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* BTS+PBX and SIP connector+PBX must be in the same network (UDP must be
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able to flow directly between these elements)
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* No handover support.
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* IP based BTS (e.g. Sysmocom sysmoBTS but no Siemens BS11)
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* No emergency calls
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Limitations
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-----------
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* PT of RTP needs to match the one used by the BTS. E.g. AMR needs to use
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the same PT as the BTS. This is because rtp_payload2 is not yet supported
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by the osmo-bts software.
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* AMR SDP file doesn't include the mode-set params and allowed codec modes.
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This needs to be configured in some way.
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Homepage
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--------
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You can find the osmo-sip-connector issue tracker and wiki online at
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<https://osmocom.org/projects/osmo-sip-conector> and <https://osmocom.org/projects/osmo-sip-conector/wiki>
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GIT Repository
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--------------
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You can clone from the official osmo-msc.git repository using
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git clone https://gitea.osmocom.org/cellular-infrastructure/osmo-sip-connector
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There is a web interface at <https://gitea.osmocom.org/cellular-infrastructure/osmo-sip-connector>
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Documentation
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-------------
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User Manuals and VTY reference manuals are [optionally] built in PDF form
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as part of the build process.
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Pre-rendered PDF version of the current "master" can be found at
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[User Manual](https://downloads.osmocom.org/docs/latest/osmosipconnector-usermanual.pdf)
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as well as the [VTY Reference Manual](https://downloads.osmocom.org/docs/latest/osmosipconnector-vty-reference.pdf)
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Mailing List
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------------
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Discussions related to osmo-sip-connector are happening on the
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openbsc@lists.osmocom.org mailing list, please see
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<https://lists.osmocom.org/mailman/listinfo/openbsc> for subscription
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options and the list archive.
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Please observe the [Osmocom Mailing List
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Rules](https://osmocom.org/projects/cellular-infrastructure/wiki/Mailing_List_Rules)
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when posting.
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Contributing
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------------
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Our coding standards are described at
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<https://osmocom.org/projects/cellular-infrastructure/wiki/Coding_standards>
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We us a gerrit based patch submission/review process for managing
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contributions. Please see
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<https://osmocom.org/projects/cellular-infrastructure/wiki/Gerrit> for
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more details
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The current patch queue for osmo-sip-connector can be seen at
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<https://gerrit.osmocom.org/#/q/project:osmo-sip-connector+status:open>
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