
SIP Blog - Page 3
SIP settings for Mitel Phones
Introduction These notes apply to the range of Mitel phones that support SIP, namely: 5220 and 5215 (‘Dual Mode’ versions), 5224, 5235, 5330 and 5340 IP Phones. The notes are based on V6 firmware. All phones have the…
Read More »Mitel MiNET to SIP Conversion
The typical Mitel phone ships from the vendor in MiNET mode and the firmware version present will most likely not support SIP mode. This guide explains how to convert a 5330 or 5340 set to SIP mode. (Some…
Read More »OpenSBC
OpenSBC is an open source (MPL License) Session Border Controller and B2BUA. Features Registrations B2BUA NAT traversal ENUM Open SBC has been under development and in use for 7 years in high volume applications. Commercial support is available…
Read More »ST2030 SIP Firmware Versions
Page Contents ST2030 SIP Firmware Releases SIP Firmware 2.74 (21/02/2011) SIP Firmware version x.67 (x=1 for normal, x=2 for new “secure” version) Known Issues SIP Firmware v1.66 Known Issues SIP Firmware v1.58 Known Issues SIP Firmware v1.57 SIP…
Read More »Asterisk SIP register
The register directive (in sip.conf) tells Asterisk to register itself to a SIP provider. The basic format for register is: register => user[:secret[:authuser]]@host[:port][/extension] If no extension is given, the ‘s’ extension is used. The extension needs to be…
Read More »Brekeke SIP Server
Brekeke Brekeke SIP Server v2.x : SIP Proxy Server and Registrar Brekeke SIP Server registers and authenticates users, and routes calls between user agents. The product has original NAT traversal functionality as well as flexible control routing functions….
Read More »Free SIP Outbound Proxy Service
July 2012 Update: SIP Outbound Proxy Service is NOT Free anymore. What’s this? A Commercial SIP Outbound Proxy Service, that bridge SIP signal messages between SIP client and SIP proxy server through UDP port other than the standard…
Read More »P-Asserted-Identity and Remote-Party-ID header
Remote-Party-Id This header was defined in a failed RFC : http://tools.ietf.org/html/draft-ietf-sip-privacy-00 . Although this header is supported by SIP devices and SIP PBXs, this was never accepted as a standard. You should not be using this header. Some…
Read More »SIP TLS
Implementing TLS greatly enhances security. It’s also rather confusing to get it working. I put together a really simple set of procedures to configure Asterisk 1.8.x to accept TLS connections from its clients. Bear in mind, Asterisk TLS…
Read More »PJSUA
PJSUA is a command line SIP user agent (UA) written with PJSIP Open source SIP stack. While it is used mainly as the reference implementation of PJSIP, it is quite useful for testing or troubleshooting SIP installations, because…
Read More »PJSIP
PJSIP is an Open Source Embedded SIP protocol stack written in C. The development of PJSIP is mainly focused on having a small footprint, modular, and very portable SIP stack for embedded development purposes (although it’s perfectly good…
Read More »Asterisk sip allowguest
sip.conf: allowguest This setting determines if anonymous callers are permitted to place calls to Asterisk. This defaults to ‘yes’. You will need to either set the appropriate default context in the [general] section of sip.conf, or you can…
Read More »Sipura Syslogging
Configuring the Sipura Phone Adapter for Syslogging Support The SPA has the capability to log execution and debugging information to a remote syslog server. The syslog server must understand the BSD syslog protocol RFC3164 and use UDP as…
Read More »Hong Kong Broadband
Hong Kong Broadband provides SIP-based VoIP connections for residential service. Each account provides unlimited incoming and outgoing calls. The service supports Local Number Portability so you can move your local fixed-line number (an 8-digit Hong Kong phone number…
Read More »How to setup SIP on a Cisco 7940-7960 IP telephone
Note: If you intend to use any XML IP Phone Applications on your phones, be aware that the SIP image of the Cisco IP Phones has limitations compared to the Skinny (SCCP) image. Data-centric Products such as the…
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