Liza Przyllas wrote:
> We are running Sems 1.1.1 and Fedora 11 and are getting the following errors:
>
> 11908) ERROR: SEMS cannot start without a control interface plug-in.
> The following plug-ins can be used: unixsockctrl, binrpcctrl, and sipctrl.
> If SEMS should use its own SIP stack instead of SER's, please load the
> sipctrl plug-in.
>
> Any suggestions???
>
> Liza
>
It would be best if you used the sems.conf file that comes with the
distribution and modify it to suit your needs.
If you roll your own then, for example with an external ser providing
the stack, you need this line in sems.conf
load_plugins=wav;unixsockctrl;
You could change unixsockctrl to sipctrl and let sems provide its own stack.
In all cases you should read available documentation on the
configuration of sems and sems with ser. This is available on the iptel
website in the sems section.
Here is the default sems.conf. Simply edit the fields specific to your
site and it should work.
# $Id: sems.conf.sample 1235 2009-01-20 17:43:14Z sayer $
#
# sems.conf.sample
#
# Sip Express Media Server (sems)
#
# sample configuration file
#
#
# whitespaces (spaces and tabs) are ignored
# comments start with a "#" and may be used inline
#
# example: option=value # i like this option
#
# @filename includes mod_config_path/filename
# @/absolute/path/to/file includes file
############################################################
# Network configuration
# optional parameter: media_ip=<ip_address>|<device>
#
# - this informs SEMS about the IP address or interface that
# SEMS uses to send and receive media. If not set, defaults
# to first non-loopback interface.
#
# Examples:
# media_ip=10.0.0.34
# media_ip=eth0
# optional parameter: sip_ip=<ip_address>
#
# - this informs SEMS about the SIP IP where its SIP stack is
# bound to or should be bound to. If 'sipctrl' SIP stack is used,
# the SIP stack will bind to this address. This also sets
# the value used for contact header in outgoing calls and
# registrations. If not set, defaults to first non-loopback
# interface.
#
# Example:
# sip_ip=10.0.0.34
#
# optional parameter: public_ip=<ip_address>
#
# - when running SEMS behind certain simple NAT configurations,
# you can use this parameter to inform SEMS of its public IP
# address. If this parameter is set, SEMS will write this value
# into SDP bodies.
# If this parameter is not set, the local IP address is used.
# N.B., there is no support for port translation; the local
# RTP port is advertised in SDP in either case.
#
# Example:
# public_sip=75.101.219.48
#
# optional parameter: sip_port=<port_number>
#
# - this informs SEMS about the port where its SIP stack is
# bound to or should be bound to. SEMS needs this information
# to correctly set the contact header in outgoing calls
# and registrations. Should be set to equal the 'port'
# configuration option in ser_sems.cfg.
# This does not need to be set if sipctrl SIP stack, outgoing
# calls and registrations from SEMS are not used.
#
# default: 5060
#
sip_port=5080
# optional parameter: outbound_proxy=uri
#
# - this sets a next hop for calls and registrations outgoing
# from SEMS. This does not apply to requests in a dialog that
# is initiated by someone else and incoming to SEMS, as in
# this case the next_hop is taken by SEMS from the incoming
# request that established the dialog.
# If this is not set (default setting), then for dialogs
# initiated by SEMS the r-uri is resolved and the request
# is sent there directly.
# This is resolved by the SIP stack with DNS if a name is given.
# Warning: If the value set here can not be resolved, no
# requests will be sent out at all!
#
# default: empty
#
# Example:
# outbound_proxy=sip:proxy.mydomain.net
# optional parameter: rtp_low_port=<port>
#
# - sets lowest for RTP used port
rtp_low_port=10000
# optional parameter: rtp_high_port=<port>
#
# - sets highest for RTP used port
rtp_high_port=60000
############################################################
# application configuration
# optional parameter: plugin_path=<path>
#
# - sets the path to the plug-ins' binaries
# - may be absolute or relative to CWD
plugin_path=/usr/local/lib/sems/plug-in/
# optional parameter: load_plugins=<modules list>
#
# semicolon-separated list of modules to load.
# If empty, all modules in plugin_path are loaded.
# One of [sipctrl,unixsockctrl,binrpcctrl] must be loaded.
#
# example for announcement with only g711 and ilbc codecs
# load_plugins=wav;ilbc;announcement;sipctrl
# optional parameter: exclude_plugins=<modules list>
#
# semicolon-separated list of modules to exclude from loading
# ('blacklist'). If empty, all modules in plugin_path are loaded.
# This has only effect it load_plugins is not set.
#
# o binrpcctrl and unixsockctrl: excluded as sipctrl is default ctrl
# o precoded_announce: no precoded sample files present
exclude_plugins=binrpcctrl;unixsockctrl;precoded_announce
# optional parameter: application
#
# This controls which application is to be executed if there
# is no explicit application requested from the SIP stack
# (i.e. unixsockctrl and second parameter of t_write_unix).
#
# This can be one of
# $(ruri.user) - user part of ruri is taken as application,
# e.g. sip:announcem...@host
# $(ruri.param) - uri parameter "app", e.g.
# sip:[email protected];app=announcement
# $(apphdr) - the value of the P-App-Name header is used
#
# $(mapping) - regex=>application mapping is read from
# app_mapping.conf (see app_mapping.conf)
# <application name> - application name configured here, e.g.
# application=announcement
#
# examples:
# application = conference
# application = $(mapping)
# application = $(ruri.user)
# application = $(ruri.param)
application = $(apphdr)
# parameter: plugin_config_path=<path>
#
# - in this path configuration files of the applications
# (e.g. announcement.conf) are searched
plugin_config_path=/usr/local/etc/sems//etc/
# optional parameter: exclude_payloads=<payload list>
#
# semicolon-separated list of payloads to exclude from loading
# ('blacklist').
#
# For example, to only use low bandwidth codecs:
# exclude_payloads=PCMU;PCMA;G726-40;G726-32;G721;L16
# or, to use only codecs which are not CPU-intensive:
# exclude_payloads=iLBC;speex;
# only use G711 (exclude everything else):
# exclude_payloads=iLBC;speex;G726-40;G726-32;G721;G726-24;G726-16;GSM;L16
############################################################
# logging and running
# optional parameter: fork={yes|no}
#
# - specifies if sems should run in daemon mode (background)
# (fork=no is the same as -E)
fork=yes
# optional parameter: stderr={yes|no}
#
# - debug mode: do not fork and log to stderr
# (stderr=yes is the same as -E)
stderr=no
# optional parameter: loglevel={0|1|2|3}
#
# - sets log level (error=0, warning=1, info=2, debug=3)
# (same as -D)
loglevel=2
# optional parameter: syslog_facility={DAEMON|USER|LOCAL[0-7]}
#
# - sets the log facility that is used for syslog. Using this,
# the log can for example be filtered into a special file
# by the syslog daemon.
#
# Default: DAEMON
#
# Example:
# syslog_facility=LOCAL0
# optional parameter: log_sessions=[yes|no]
#
# Default: no
#
# If log_sessions=yes is set, INFO level log messages are generated
# for each session when it is started and stopped.
#
# log_sessions=yes
############################################################
# tuning
# optional parameter: media_processor_threads=<num_value>
#
# - controls how many threads should be created that
# process media - on single-processor systems set this
# parameter to 1 (default), on MP systems to a higher
# value
#
# media_processor_threads=1
# optional parameter: session_limit=<limit>;<err code>;<err reason>
#
# - this sets a maximum active session limit. If that limit is
# reached, no further calls are accepted, but the error reply
# with err code/err reason is sent out.
#
# Default: 0 (None)
#
# Example:
# session_limit="1000;503;Server overload"
# optional parameter: dead_rtp_time=<unsigned int>
#
# - if != 0, after this time (in seconds) of no RTP
# a session is considered dead and stopped. If set
# to 0 no check is done for rtp timeout.
#
# default=300 (5 minutes)
#
# Examples:
# # disable RTP timeout
# dead_rtp_time=0
# # RTP timeout after 10 seconds
# dead_rtp_time=10
# optional parameter: use_default_signature={yes|no}
#
# - use a Server/User-Agent header with the SEMS server
# signature and version.
# Set server_signature=0 in ser_sems.cfg if you use SER
# as SIP stack.
#
# default=no
#
use_default_signature=yes
# optional parameter: signature=<signature string>
#
# - use a Server/User-Agent header with a custom user agent
# signature.
# Overridden by default signature if
# use_default_signature is set.
# Set server_signature=0 in ser_sems.cfg if you use it.
#
#
# signature="SEMS media server 1.0"
# optional parameter: single_codec_in_ok={yes|no}
#
# - use single codec in 200 OK response
#
# default=no
#
# single_codec_in_ok=no
# optional parameter: codec_order=codec_name_1,codec_name2,...
#
# - Codec order used when sending INVITE requests. Codecs in codec_order
# will be on the top of the list followed by other supported codecs
# (if any).
#
# default=empty
#
# codec_order=iLBC,GSM
# optional parameter: ignore_rtpxheaders={yes|no}
#
# - if this is set to yes, RTP extension headers (e.g. when using ZRTP)
# are ignored. If set to no, the whole RTP packets with extension
# headers will be ignored and a debug message is printed on every
# received packet.
#
# default=no
#
# ignore_rtpxheaders=yes
# optional parameter: dtmf_detector={spandsp|internal}
#
# sets inband DTMF detector to use. spandsp support must be compiled in
# for this to have effect if dtmf_detector=spandsp.
#
# default: internal
#
# dtmf_detector=spandsp
# optional parameter: unhandled_reply_loglevel={error|warn|info|debug|no}
#
# the default application logic implemented in the applications is to stop
# the session right after sending BYE, without waiting for a reply. this
# leads to many log entries of the form
# ERROR: [b6fa6bb0] handleSipMsg (AmSipDispatcher.cpp:48): unhandled
# reply: [code:200;phrase:[OK];... ]
#
# This parameter sets the log lovel of unhandled positive (200 class)
replies.
#
# default: error
#
# unhandled_reply_loglevel=info
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