relnotes

sip proxy

Release Notes for siproxd-0.6.0
===============================

Major changes since 0.5.13:
 - keep failed DNS attempts in cache for 10 minutes
   This should protect from repeating DNS timeouts
 - Support for PRACK messages (RFC3262)
 - Can now masquerade the User-agent header (by configurable string).
   Some SIP providers do behave strangely if they receive a default
   Asterisk UA string...
 - Support for adding ;rport to Via headers (RFC3581)
 - Fixes a bug that could cause termination of an ongoing connection
   after the RTP timeout period.
 - Includes RTCP support and a de-jitter feature

General Overview:
 - SIP (RFC3261) Proxy for SIP based softphones hidden behind a
   masquerading firewall
 - Support for PRACK messages (RFC3262)
 - works with "dial-up" conenctions (dynamic IP addresses)
 - Multiple local users/hosts can be masqueraded simultaneously
 - Access control (IP based) for incoming traffic
 - Proxy Authentication for registration of local clients (User Agents)
   with individual passwords for each user
 - May be used as pure Outbound proxy (registration of local UAs
   to a 3rd party registrar)
 - Fli4l OPT_SIP (still experimental) available, check
   http://home.arcor.de/jsffm/fli4l/
 - runs on various operating systems (see below)
 - Full duplex RTP data stream proxy for *incoming* and *outgoing*
   audio data - no firewall masquerading entries needed
 - Port range to be used for RTP traffic is configurable
   (-> easy to set up apropriate firewall rules for RTP traffic)
 - RTP proxy can handle multiple RTP streams (eg. audio + video)
   within a single SIP session.
 - Symmetric RTP support
 - Symmetric SIP signalling support
 - Supports running in a chroot jail and changing user-ID after startup
 - All configuration done via one simple ascii configuration file
 - Logging to syslog in daemon mode
 - RPM package
 - The host part of UA registration entries can be masqueraded
   (mask_host, masked_host config items). Some Siemens SIP phones seem to
   need this 'feature'.
 - Provider specific outbound proxies can be configured
 - Can run "in front of" a NAT router.(in the local LAN segment)
 - supports "Short-Dials"
 - configurable RFC3581 (rport) support for sent SIP packets

Requirements:
 - pthreads (Linux)
 - glibc2 / libc5 / uClibc
 - libosip2 (2.x.x, 3.x.x not yet supported due heavy API changes)

Currently tested on:
- Fedora Core1 (Kernel 2.4.x, Glibc)
  This is my main development and testing environment. Other platforms
  are not extensively tested by myself.

Builds on (tested by dev-team or reported to build):
- Linux:	Fedora Core1
(		Fedora Core3 (x86_64 - 64 bit))*
(		WRT54g (133mhz mipsel router))*
(- FreeBSD:	FreeBSD 4.10-BETA	)*
(- OpenBSD:	OpenBSD 3.4 GENERIC#18	)*
(- SunOS:	SunOS 5.9		)*
(- Mac OS X:	Darwin 6.8		)*

* Note: As the compile farm of sourceforge.net has been discontinued the
        build test possibilities are now very limited. Currently
        no explicit testing for systems/distributions other than
        Fedora (x86 architecture) are made. We'll be looking into
        possibilities to perform some broader testing in future.
        Of course, external help will be heartly welcome :-)

Reported interoperability with softphones:
 - Grandstream BudgeTone-100 series
 - Linphone (local and remote UA) (http://www.linphone.org)
 - Kphone (local and remote UA) (http://www.wirlab.net/kphone/)
 - MSN messenger 4.6 (remote and local UA)
 - X-Lite (Win XP Professional)
 - SJPhone softphone
 - Asterisk PBX (using a SIP Trunk, masqueraded via siproxd)
 - Ekiga

Reported interoperability with SIP service providers:
 - Sipphone	(http://www.sipphone.com)
 - FWD		(http://www.fwd.pulver.com)
 - Sipgate	(http://www.sipgate.de)
 - Stanaphone	(SIP Gateway to PSTN)
 - Sipcall.ch	(Swiss VoIP provider)

 If you have siproxd successfully running with another SIP phone
 and/or service provider, please drop me a short note so I can update
 the list.

Known bugs:
   - SRV DNS records are not yet looked up, only A records
   There will be more for sure...

If you port siproxd to a new platform or do other kinds of changes
or bugfixes that might be of general interest, please drop me a
line. Also if you intend to include siproxd into a software
distribution I'd be happy to get a short notice.


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