VoIP Blog - Page 740

mediaproxy is an OpenSER module that is designed to allow automatic NAT traversal for the majority of existing SIP clients. This means that there will be no need to configure anything in particular on the NAT box to…

lcr module brings Least Cost Routing capability to OpenSER. It implements two related capabilities: sequential forwarding of a request to one or more gateways (functions load_gws and next_gw) sequential forwarding to contacts if they don’t share the the…

bristuff app_devstate 1.2 on Asterisk 1.4 Since original posting of this article a better method has become available. A back port of Asterisk func Devstate from Asterisk 1.6 is now available on Asterisk 1.4. The original instructions have…

group module provides functionalities for different methods of group membership checking. The module is primary used to offer Access Control Lists in OpenSER Strict membership checking There is a database table that contains a list of users and…

gflags module (global flags) keeps a bitmap of flags in shared memory and may be used to change behavior of server based on value of the flags. Example: if (is_gflag(“1”)) { t_relay(“udp:10.0.0.1:5060”); } else { t_relay(“udp:10.0.0.2:5060”); } The…

flatstore is a limited OpenSER database modules. The aim is to provide a fast storage mechanism for accounting records. It implements only INSERT function, from the DB API, so it cannot be used as full DB driver of…

exec module allows to start an external command from an OpenSER script. The commands may be any valid shell commands–the command string is passed to shell using “popen” command. OpenSER passes additionally lot of information about request in…

This product is no Longer Active CosmoPBX Live CD! CosmoPBX is Linux live CD based on Knoppix Linux. CosmoPBX is released as open source under the GNU General Public License (GPL) and is available for download free of…

Comunications Manager Express Comunications Manager Express (formerly know as CallManager Express or CCME) is a fully-featured VoIP PBX, and is Cisco’s offer for small to medium PBXs and key systems. Comunications Manager Express is implemented as a set…

enum module implements functions that make ENUM query based on the user part of the current Request-URI. These functions assume that the user part consists of an international phone number of the form +decimal-digits, where the number of…

The domain module implements checks that based on domain table determine if a host part of a URI is “local” or not. A “local” domain is one that the proxy is responsible for. The module operates in caching…

diversion module implements the Diversion extensions as per draft-levy-sip-diversion-08. The diversion extensions are useful in various scenarios involving call forwarding. Typically one needs to communicate the original recipient of the call to the PSTN gateway and this is…