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Entries Tagged ‘SIP’

Slides from T-Mobile: Reverting Long SIP ANIs

Pavel Růžička recently shared this SlideShare presentation that may be useful for developers upgrading their media platform to use SIP but who would rather see the old number format instead of the SIP ANI. The necessary steps to parse the SIP URI are as follows: Verify it is in SIP form; Remove the SIP prefix; [...]

New Version of “Design Considerations for Session Initiation Protocol (SIP) Overload Control”

TweetThe IETF this week released an important new draft titled “Design Considerations for Session Initiation Protocol (SIP) Overload Control” that is available at: http://tools.ietf.org/html/draft-ietf-soc-overload-design The importance here is that it is a fact of life that SIP-based communication servers can get “overloaded” with messages and not be able to respond to all incoming SIP messages. [...]

New Version of “Design Considerations for Session Initiation Protocol (SIP) Overload Control”

TweetThe IETF this week released an important new draft titled “Design Considerations for Session Initiation Protocol (SIP) Overload Control” that is available at: http://tools.ietf.org/html/draft-ietf-soc-overload-design The importance here is that it is a fact of life that SIP-based communication servers can get “overloaded” with messages and not be able to respond to all incoming SIP messages. [...]

How Does SIP Use the Offer/Answer Model? A Document Explains…

Tweet One of the interesting aspects of the Session Initiation Protocol (SIP) is that is uses the “offer/answer” model to negotiate how a session is to be established… and to also update that session while it is in progress. A basic example would be the exchange of Session Description Protocol (SDP) information during an initial [...]

IPv6 and SIP Subject of Today’s VUC Call at 1pm US Eastern

TweetI just noticed this morning that Randy over at the VoIP Users Conference (VUC) has a second hour of today’s show focused on IPv6 and SIP as it relates to offerings from Junction Networks. As the show page says: IPv6 has serious benefits for SIP, so Junction Networks has made it a priority to begin [...]

Want to learn all about SIP? Attend the SIP Tutorial at Enterprise Connect

Would you like to learn all you can about the Session Initiation Protocol (SIP) and how it can be used for real-time communications? If so – and if you will be attending the Enterprise Connect event this coming week in Orlando, Florida – you can stop by the 3-hour tutorial I (Dan York) will be [...]

Join Voxeo at Enterprise Connect to Learn About SIP, Open Source

Are you going to be at Enterprise Connect next week in Orlando? “Enterprise Connect” is the new name of “VoiceCon”, reflecting the fact that enterprises no longer use just voice for their communication (Hmmm… seems like a theme I’ve heard somewhere before ) and it looks like it will be quite a great event. While [...]

Today’s VUC Call: Blink SIP Softphone and SylkServer

Interested in SIP softphones? XMPP chat servers? Building a multi-party group chat like Skype provides but based on open standards? If so, join the VoIP Users Conference crew TODAY, February 18, 2011, at 12 noonto learn about the Blink SIP client and the new SylkServer project. From the VUC notes: Adrian Georgescu, AG Projects founder [...]

SIPNOC – Apr 25-27 – The SIP Network Operators Conference

Our friends over at the SIP Forum are in the process of putting together what sounds like a great event: SIPNOC: The SIP Network Operators Conference It will be held April 25-27, 2011, in the Washington, DC, area (Herndon, VA, to be precise). As they say… SIPNOC is a unique event for service providers and [...]

Emerging Tech Talk #61 – Cullen Jennings on VIPR, a new way to connect SIP endpoints

Wouldn’t it be great if you could connect via video over IP to someone at another company? Or to be able to use a wideband audio codec to have a richer sound to your calls? Sure, you can do this today with Skype… but not with your SIP-based or other IP-based IP-PBX or communications server. [...]