Author: VoIP Info
SER module jabber
Posted: September 12, 2003 jabber: This is new version of jabber module that interfaces the SIP server to Jabber instant messaging. Through jabber, messages can be sent to ICQ, MSN and many other IM platforms. It integrates XODE XML parser for parsing…
Read More »SIP auto-configuration
Posted: September 12, 2003 SIP can be auto-configured using DHCP both in IPv4 and in IPv6 From RFC 3361: Dynamic Host Configuration Protocol (DHCP-for-IPv4) Option for Session Initiation Protocol (SIP) Servers This document specifies a DHCP option that allows SIP clients to…
Read More »SIP method unsubscribe
Posted: September 12, 2003 From RFC 2848 PINT Service protocol: At some point, either the Client’s representative User Agent Server or the Gateway may decide to terminate the monitoring session. This is achieved by sending an UNSUBSCRIBE request to the correspondent server….
Read More »PINT
Posted: September 12, 2003 From RFC 2848 This document contains the specification of the PINT Service Protocol 1.0, which defines a protocol for invoking certain telephone services from an IP network. These services include placing basic calls, sending and receiving faxes, and…
Read More »SIP simple
Posted: September 12, 2003 SIMPLE is the SIP package for Presence and Instant messaging. It’s defined by the IETF and used in the IMS platform defined by the 3gpp forum. From the SIMPLE IETF Working group charter: This working group focuses on…
Read More »SIP method update
Posted: September 11, 2003 From RFC 3311: UPDATE allows a client to update parameters of a session (such as the set of media streams and their codecs) but has no impact on the state of a dialog. In that sense, it is…
Read More »SIP method bye
Posted: September 11, 2003 From the SIP RFC 3261: The BYE request is used to terminate a specific session or attempted session. In this case, the specific session is the one with the peer UA on the other side of the dialog….
Read More »SIP method invite re-invite
Posted: September 11, 2003 From the SIP RFC: …This modification can involve changing addresses or ports, adding a media stream, deleting a media stream, and so on. This is accomplished by sending a new INVITE request within the same dialog that established…
Read More »SIP method invite
Posted: September 11, 2003 From the SIP RFC 3261: When a user agent client desires to initiate a session (for example, audio, video, or a game), it formulates an INVITE request. The INVITE request asks a server to establish a session. This…
Read More »SIP method cancel
Posted: September 11, 2003 From the SIP RFC: The CANCEL request, as the name implies, is used to cancel a previous request sent by a client. Specifically, it asks the UAS to cease processing the request and to generate an error response…
Read More »SIP method register
Posted: September 11, 2003 From the SIP RFC: Registration entails sending a REGISTER request to a special type of UAS known as a registrar. A registrar acts as the front end to the location service for a domain, reading and writing mappings…
Read More »SIP method options
Posted: September 11, 2003 From the SIP RFC: The SIP method OPTIONS allows a UA to query another UA or a proxy server as to its capabilities. This allows a client to discover information about the supported methods, content types, extensions, codecs,…
Read More »SIP redirect server
Posted: September 11, 2003 From the SIP RFC: Redirect Server: A redirect server is a user agent server that generates 3xx responses to requests it receives, directing the client to contact an alternate set of URIs. In some architectures it may be…
Read More »Asterisk security sip
Posted: September 10, 2003 Implemented SIP security in Asterisk MD5 Digest Authentication. This is a feature of the SIP protocol. Password are not sent in clear text. Not implemented SIP security in Asterisk SIPS – SIP over SSL over TCP. Since SIP…
Read More »DOCSIS
Posted: September 10, 2003 DOCSIS (Data Over Cable Service Interface Specification) is the standard for cable modems developed by CableLabs. There are 4 versions of the standard: DOCSIS 1.0 – targeted at 1995-1996 technology, widely deployed around the world DOCSIS 1.1 –…
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