Version 72 (Adrian Georgescu, 04/19/2009 07:00 pm) → Version 73/161 (Adrian Georgescu, 04/19/2009 07:01 pm)

= Description =

[[TOC(WikiStart, Sip*, depth=3)]]

[[Image(,width=400, align=right, link=]]

SIP2SIP is highly available SIP service distributed in multiple data centers. You may use this service to register a free SIP account that allows you to communicate using audio, video and instant messaging using the SIP protocol. The SIP account is Presence/IM enabled with support for relevant SIP SIMPLE standards for MSRP relay extension, Presence Agent, XCAP and RLS services.

To register a SIP account go to

To create SIP addresses under your own domains, register or transfer your Internet domains at On the same platform you can provision your DNS zones and records required for SIP services and create your own SIP accounts. The number of SIP addresses you may create is limited by a fair use policy dependent on the general use of the platform.

== Features ==

* Publicly reachable SIP address
* Works behind any type of NAT router
* Parallel forking to multiple devices
* Support for presence based on PUBLISH, XCAP and RLS services
* Support for instant messaging (IM) based on MSRP and its relay extension
* Voice and video, codec agnostic
* T.38 and G.711 passthrough fax support
* ENUM routing based on lookups under
* Call forwarding for Busy, Unavailable, Not online, Meeting
* Accept calls based on time of day and time zone
* White list and black list for incoming callers

== Usage ==

* [wiki:SipDeviceConfiguration How to configure your device]
* [wiki:SipSettings How to change your account settings]
* [wiki:SipTesting How to use your SIP account]

== SIP software ==

[wiki:SipSoftware List of SIP SIMPLE software applications]

== Contributions ==

[wiki:SipContributions You may add add you own links and information to this page]

== About ==

SIP2SIP is a free service provided by [ AG Projects]. We wish you enjoy it while we do our best effort to improve and support it. "best-effort" means that we try to solve the bugs you report or help fix your problems as soon as we can, subject to available resources. If you have questions or suggestions you may address them by e-mail to